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realstealthninja
@@ -113,10 +113,10 @@ $(function(){initNavTree('d9/dec/unbounded__0__1__knapsack_8cpp.html','../../');
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<p>Implementation of the Unbounded 0/1 <a class="el" href="../../d7/daf/namespace_knapsack.html" title="Implementation of 0-1 Knapsack problem.">Knapsack</a> Problem.
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<a href="#details">More...</a></p>
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<div class="textblock"><code>#include <iostream></code><br />
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<code>#include <vector></code><br />
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<code>#include <cassert></code><br />
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<div class="textblock"><code>#include <cassert></code><br />
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<code>#include <cstdint></code><br />
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<code>#include <iostream></code><br />
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<code>#include <vector></code><br />
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</div><div class="textblock"><div class="dynheader">
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Include dependency graph for unbounded_0_1_knapsack.cpp:</div>
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<div class="dyncontent">
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@@ -216,26 +216,31 @@ Algorithm</h3>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>The maximum value that can be obtained for the given index and capacity. </dd></dl>
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<div class="fragment"><div class="line"><span class="lineno"> 60</span> {</div>
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<div class="line"><span class="lineno"> 61</span> <span class="keywordflow">if</span> (i == 0) {</div>
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<div class="line"><span class="lineno"> 62</span> <span class="keywordflow">if</span> (wt[0] <= W) {</div>
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<div class="line"><span class="lineno"> 63</span> <span class="keywordflow">return</span> (W / wt[0]) * val[0]; <span class="comment">// Take as many of the first item as possible</span></div>
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<div class="line"><span class="lineno"> 64</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><span class="lineno"> 65</span> <span class="keywordflow">return</span> 0; <span class="comment">// Can't take the first item</span></div>
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<div class="line"><span class="lineno"> 66</span> }</div>
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<div class="line"><span class="lineno"> 67</span> }</div>
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<div class="line"><span class="lineno"> 68</span> <span class="keywordflow">if</span> (<a class="code hl_namespace" href="../../df/d88/namespacedp.html">dp</a>[i][W] != -1) <span class="keywordflow">return</span> <a class="code hl_namespace" href="../../df/d88/namespacedp.html">dp</a>[i][W]; <span class="comment">// Return result if available</span></div>
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<div class="line"><span class="lineno"> 69</span> </div>
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<div class="line"><span class="lineno"> 70</span> <span class="keywordtype">int</span> nottake = <a class="code hl_function" href="#afe447a5979582174908695952c8a079c">KnapSackFilling</a>(i - 1, W, val, wt, <a class="code hl_namespace" href="../../df/d88/namespacedp.html">dp</a>); <span class="comment">// Value without taking item i</span></div>
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<div class="line"><span class="lineno"> 71</span> <span class="keywordtype">int</span> take = 0;</div>
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<div class="line"><span class="lineno"> 72</span> <span class="keywordflow">if</span> (W >= wt[i]) {</div>
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<div class="line"><span class="lineno"> 73</span> take = val[i] + <a class="code hl_function" href="#afe447a5979582174908695952c8a079c">KnapSackFilling</a>(i, W - wt[i], val, wt, <a class="code hl_namespace" href="../../df/d88/namespacedp.html">dp</a>); <span class="comment">// Value taking item i</span></div>
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<div class="line"><span class="lineno"> 74</span> }</div>
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<div class="line"><span class="lineno"> 75</span> <span class="keywordflow">return</span> <a class="code hl_namespace" href="../../df/d88/namespacedp.html">dp</a>[i][W] = <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a>(take, nottake); <span class="comment">// Store and return the maximum value</span></div>
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<div class="line"><span class="lineno"> 76</span>}</div>
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<div class="fragment"><div class="line"><span class="lineno"> 61</span> {</div>
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<div class="line"><span class="lineno"> 62</span> <span class="keywordflow">if</span> (i == 0) {</div>
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<div class="line"><span class="lineno"> 63</span> <span class="keywordflow">if</span> (wt[0] <= W) {</div>
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<div class="line"><span class="lineno"> 64</span> <span class="keywordflow">return</span> (W / wt[0]) *</div>
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<div class="line"><span class="lineno"> 65</span> val[0]; <span class="comment">// Take as many of the first item as possible</span></div>
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<div class="line"><span class="lineno"> 66</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><span class="lineno"> 67</span> <span class="keywordflow">return</span> 0; <span class="comment">// Can't take the first item</span></div>
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<div class="line"><span class="lineno"> 68</span> }</div>
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<div class="line"><span class="lineno"> 69</span> }</div>
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<div class="line"><span class="lineno"> 70</span> <span class="keywordflow">if</span> (<a class="code hl_namespace" href="../../df/d88/namespacedp.html">dp</a>[i][W] != -1)</div>
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<div class="line"><span class="lineno"> 71</span> <span class="keywordflow">return</span> <a class="code hl_namespace" href="../../df/d88/namespacedp.html">dp</a>[i][W]; <span class="comment">// Return result if available</span></div>
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<div class="line"><span class="lineno"> 72</span> </div>
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<div class="line"><span class="lineno"> 73</span> <span class="keywordtype">int</span> nottake =</div>
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<div class="line"><span class="lineno"> 74</span> <a class="code hl_function" href="#afe447a5979582174908695952c8a079c">KnapSackFilling</a>(i - 1, W, val, wt, <a class="code hl_namespace" href="../../df/d88/namespacedp.html">dp</a>); <span class="comment">// Value without taking item i</span></div>
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<div class="line"><span class="lineno"> 75</span> <span class="keywordtype">int</span> take = 0;</div>
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<div class="line"><span class="lineno"> 76</span> <span class="keywordflow">if</span> (W >= wt[i]) {</div>
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<div class="line"><span class="lineno"> 77</span> take = val[i] + <a class="code hl_function" href="#afe447a5979582174908695952c8a079c">KnapSackFilling</a>(i, W - wt[i], val, wt,</div>
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<div class="line"><span class="lineno"> 78</span> <a class="code hl_namespace" href="../../df/d88/namespacedp.html">dp</a>); <span class="comment">// Value taking item i</span></div>
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<div class="line"><span class="lineno"> 79</span> }</div>
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<div class="line"><span class="lineno"> 80</span> <span class="keywordflow">return</span> <a class="code hl_namespace" href="../../df/d88/namespacedp.html">dp</a>[i][W] =</div>
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<div class="line"><span class="lineno"> 81</span> <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a>(take, nottake); <span class="comment">// Store and return the maximum value</span></div>
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<div class="line"><span class="lineno"> 82</span>}</div>
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<div class="ttc" id="amax_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a></div><div class="ttdeci">T max(T... args)</div></div>
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<div class="ttc" id="anamespacedp_html"><div class="ttname"><a href="../../df/d88/namespacedp.html">dp</a></div><div class="ttdoc">for std::vector</div><div class="ttdef"><b>Definition</b> partition_problem.cpp:39</div></div>
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<div class="ttc" id="aunbounded__0__1__knapsack_8cpp_html_afe447a5979582174908695952c8a079c"><div class="ttname"><a href="#afe447a5979582174908695952c8a079c">dynamic_programming::unbounded_knapsack::KnapSackFilling</a></div><div class="ttdeci">std::uint16_t KnapSackFilling(std::uint16_t i, std::uint16_t W, const std::vector< std::uint16_t > &val, const std::vector< std::uint16_t > &wt, std::vector< std::vector< int > > &dp)</div><div class="ttdoc">Recursive function to calculate the maximum value obtainable using an unbounded knapsack approach.</div><div class="ttdef"><b>Definition</b> unbounded_0_1_knapsack.cpp:57</div></div>
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<div class="ttc" id="aunbounded__0__1__knapsack_8cpp_html_afe447a5979582174908695952c8a079c"><div class="ttname"><a href="#afe447a5979582174908695952c8a079c">dynamic_programming::unbounded_knapsack::KnapSackFilling</a></div><div class="ttdeci">std::uint16_t KnapSackFilling(std::uint16_t i, std::uint16_t W, const std::vector< std::uint16_t > &val, const std::vector< std::uint16_t > &wt, std::vector< std::vector< int > > &dp)</div><div class="ttdoc">Recursive function to calculate the maximum value obtainable using an unbounded knapsack approach.</div><div class="ttdef"><b>Definition</b> unbounded_0_1_knapsack.cpp:58</div></div>
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</div><!-- fragment --><div class="dynheader">
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Here is the call graph for this function:</div>
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<div class="dyncontent">
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@@ -261,11 +266,11 @@ Here is the call graph for this function:</div>
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<p>main function </p>
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<dl class="section return"><dt>Returns</dt><dd>0 on successful exit </dd></dl>
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<div class="fragment"><div class="line"><span class="lineno"> 147</span> {</div>
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<div class="line"><span class="lineno"> 148</span> <a class="code hl_function" href="#a483bb8ccf42aaf7375a83e91490eda1e">tests</a>(); <span class="comment">// Run self test implementation </span></div>
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<div class="line"><span class="lineno"> 149</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><span class="lineno"> 150</span>}</div>
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<div class="ttc" id="aunbounded__0__1__knapsack_8cpp_html_a483bb8ccf42aaf7375a83e91490eda1e"><div class="ttname"><a href="#a483bb8ccf42aaf7375a83e91490eda1e">tests</a></div><div class="ttdeci">static void tests()</div><div class="ttdoc">self test implementation</div><div class="ttdef"><b>Definition</b> unbounded_0_1_knapsack.cpp:103</div></div>
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<div class="fragment"><div class="line"><span class="lineno"> 170</span> {</div>
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<div class="line"><span class="lineno"> 171</span> <a class="code hl_function" href="#a483bb8ccf42aaf7375a83e91490eda1e">tests</a>(); <span class="comment">// Run self test implementation</span></div>
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<div class="line"><span class="lineno"> 172</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><span class="lineno"> 173</span>}</div>
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<div class="ttc" id="aunbounded__0__1__knapsack_8cpp_html_a483bb8ccf42aaf7375a83e91490eda1e"><div class="ttname"><a href="#a483bb8ccf42aaf7375a83e91490eda1e">tests</a></div><div class="ttdeci">static void tests()</div><div class="ttdoc">self test implementation</div><div class="ttdef"><b>Definition</b> unbounded_0_1_knapsack.cpp:111</div></div>
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</div><!-- fragment --><div class="dynheader">
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Here is the call graph for this function:</div>
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<div class="dyncontent">
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@@ -299,49 +304,64 @@ Here is the call graph for this function:</div>
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<p>self test implementation </p>
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<dl class="section return"><dt>Returns</dt><dd>void </dd></dl>
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<div class="fragment"><div class="line"><span class="lineno"> 103</span> {</div>
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<div class="line"><span class="lineno"> 104</span> <span class="comment">// Test Case 1</span></div>
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<div class="line"><span class="lineno"> 105</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint16_t</a> N1 = 4; <span class="comment">// Number of items</span></div>
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<div class="line"><span class="lineno"> 106</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::uint16_t></a> wt1 = {1, 3, 4, 5}; <span class="comment">// Weights of the items</span></div>
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<div class="line"><span class="lineno"> 107</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::uint16_t></a> val1 = {6, 1, 7, 7}; <span class="comment">// Values of the items</span></div>
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<div class="line"><span class="lineno"> 108</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint16_t</a> W1 = 8; <span class="comment">// Maximum capacity of the knapsack</span></div>
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<div class="line"><span class="lineno"> 109</span> <span class="comment">// Test the function and assert the expected output</span></div>
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<div class="line"><span class="lineno"> 110</span> assert(<a class="code hl_function" href="#a1bcff7f76de48fa7f629480f8f18b5ef">unboundedKnapsack</a>(N1, W1, val1, wt1) == 48);</div>
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<div class="line"><span class="lineno"> 111</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Maximum Knapsack value "</span> << <a class="code hl_function" href="#a1bcff7f76de48fa7f629480f8f18b5ef">unboundedKnapsack</a>(N1, W1, val1, wt1) << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
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<div class="line"><span class="lineno"> 112</span> </div>
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<div class="line"><span class="lineno"> 113</span> <span class="comment">// Test Case 2</span></div>
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<div class="line"><span class="lineno"> 114</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint16_t</a> N2 = 3; <span class="comment">// Number of items</span></div>
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<div class="line"><span class="lineno"> 115</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::uint16_t></a> wt2 = {10, 20, 30}; <span class="comment">// Weights of the items</span></div>
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<div class="line"><span class="lineno"> 116</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::uint16_t></a> val2 = {60, 100, 120}; <span class="comment">// Values of the items</span></div>
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<div class="line"><span class="lineno"> 117</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint16_t</a> W2 = 5; <span class="comment">// Maximum capacity of the knapsack</span></div>
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<div class="line"><span class="lineno"> 118</span> <span class="comment">// Test the function and assert the expected output</span></div>
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<div class="line"><span class="lineno"> 119</span> assert(<a class="code hl_function" href="#a1bcff7f76de48fa7f629480f8f18b5ef">unboundedKnapsack</a>(N2, W2, val2, wt2) == 0);</div>
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<div class="line"><span class="lineno"> 120</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Maximum Knapsack value "</span> << <a class="code hl_function" href="#a1bcff7f76de48fa7f629480f8f18b5ef">unboundedKnapsack</a>(N2, W2, val2, wt2) << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
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<div class="line"><span class="lineno"> 121</span> </div>
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<div class="line"><span class="lineno"> 122</span> <span class="comment">// Test Case 3</span></div>
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<div class="line"><span class="lineno"> 123</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint16_t</a> N3 = 3; <span class="comment">// Number of items</span></div>
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<div class="line"><span class="lineno"> 124</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::uint16_t></a> wt3 = {2, 4, 6}; <span class="comment">// Weights of the items</span></div>
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<div class="line"><span class="lineno"> 125</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::uint16_t></a> val3 = {5, 11, 13};<span class="comment">// Values of the items </span></div>
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<div class="line"><span class="lineno"> 126</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint16_t</a> W3 = 27;<span class="comment">// Maximum capacity of the knapsack </span></div>
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<div class="line"><span class="lineno"> 127</span> <span class="comment">// Test the function and assert the expected output</span></div>
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<div class="line"><span class="lineno"> 128</span> assert(<a class="code hl_function" href="#a1bcff7f76de48fa7f629480f8f18b5ef">unboundedKnapsack</a>(N3, W3, val3, wt3) == 27);</div>
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<div class="line"><span class="lineno"> 129</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Maximum Knapsack value "</span> << <a class="code hl_function" href="#a1bcff7f76de48fa7f629480f8f18b5ef">unboundedKnapsack</a>(N3, W3, val3, wt3) << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
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<div class="line"><span class="lineno"> 130</span> </div>
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<div class="line"><span class="lineno"> 131</span> <span class="comment">// Test Case 4</span></div>
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<div class="line"><span class="lineno"> 132</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint16_t</a> N4 = 0; <span class="comment">// Number of items</span></div>
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<div class="line"><span class="lineno"> 133</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::uint16_t></a> wt4 = {}; <span class="comment">// Weights of the items</span></div>
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<div class="line"><span class="lineno"> 134</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::uint16_t></a> val4 = {}; <span class="comment">// Values of the items </span></div>
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<div class="line"><span class="lineno"> 135</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint16_t</a> W4 = 10; <span class="comment">// Maximum capacity of the knapsack</span></div>
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<div class="line"><span class="lineno"> 136</span> assert(<a class="code hl_function" href="#a1bcff7f76de48fa7f629480f8f18b5ef">unboundedKnapsack</a>(N4, W4, val4, wt4) == 0); </div>
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<div class="line"><span class="lineno"> 137</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Maximum Knapsack value for empty arrays: "</span> << <a class="code hl_function" href="#a1bcff7f76de48fa7f629480f8f18b5ef">unboundedKnapsack</a>(N4, W4, val4, wt4) << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
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<div class="line"><span class="lineno"> 138</span> </div>
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<div class="line"><span class="lineno"> 139</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"All test cases passed!"</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
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<div class="line"><span class="lineno"> 140</span> </div>
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<div class="line"><span class="lineno"> 141</span>}</div>
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<div class="fragment"><div class="line"><span class="lineno"> 111</span> {</div>
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<div class="line"><span class="lineno"> 112</span> <span class="comment">// Test Case 1</span></div>
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<div class="line"><span class="lineno"> 113</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint16_t</a> N1 = 4; <span class="comment">// Number of items</span></div>
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<div class="line"><span class="lineno"> 114</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::uint16_t></a> wt1 = {1, 3, 4, 5}; <span class="comment">// Weights of the items</span></div>
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<div class="line"><span class="lineno"> 115</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::uint16_t></a> val1 = {6, 1, 7, 7}; <span class="comment">// Values of the items</span></div>
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<div class="line"><span class="lineno"> 116</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint16_t</a> W1 = 8; <span class="comment">// Maximum capacity of the knapsack</span></div>
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<div class="line"><span class="lineno"> 117</span> <span class="comment">// Test the function and assert the expected output</span></div>
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<div class="line"><span class="lineno"> 118</span> assert(dynamic_programming::unbounded_knapsack::unboundedKnapsack(</div>
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<div class="line"><span class="lineno"> 119</span> N1, W1, val1, wt1) == 48);</div>
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<div class="line"><span class="lineno"> 120</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Maximum Knapsack value "</span></div>
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<div class="line"><span class="lineno"> 121</span> << <a class="code hl_function" href="#a1bcff7f76de48fa7f629480f8f18b5ef">dynamic_programming::unbounded_knapsack::unboundedKnapsack</a>(</div>
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<div class="line"><span class="lineno"> 122</span> N1, W1, val1, wt1)</div>
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<div class="line"><span class="lineno"> 123</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
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<div class="line"><span class="lineno"> 124</span> </div>
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<div class="line"><span class="lineno"> 125</span> <span class="comment">// Test Case 2</span></div>
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||||
<div class="line"><span class="lineno"> 126</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint16_t</a> N2 = 3; <span class="comment">// Number of items</span></div>
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||||
<div class="line"><span class="lineno"> 127</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::uint16_t></a> wt2 = {10, 20, 30}; <span class="comment">// Weights of the items</span></div>
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||||
<div class="line"><span class="lineno"> 128</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::uint16_t></a> val2 = {60, 100, 120}; <span class="comment">// Values of the items</span></div>
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||||
<div class="line"><span class="lineno"> 129</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint16_t</a> W2 = 5; <span class="comment">// Maximum capacity of the knapsack</span></div>
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||||
<div class="line"><span class="lineno"> 130</span> <span class="comment">// Test the function and assert the expected output</span></div>
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<div class="line"><span class="lineno"> 131</span> assert(dynamic_programming::unbounded_knapsack::unboundedKnapsack(</div>
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||||
<div class="line"><span class="lineno"> 132</span> N2, W2, val2, wt2) == 0);</div>
|
||||
<div class="line"><span class="lineno"> 133</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Maximum Knapsack value "</span></div>
|
||||
<div class="line"><span class="lineno"> 134</span> << <a class="code hl_function" href="#a1bcff7f76de48fa7f629480f8f18b5ef">dynamic_programming::unbounded_knapsack::unboundedKnapsack</a>(</div>
|
||||
<div class="line"><span class="lineno"> 135</span> N2, W2, val2, wt2)</div>
|
||||
<div class="line"><span class="lineno"> 136</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 137</span> </div>
|
||||
<div class="line"><span class="lineno"> 138</span> <span class="comment">// Test Case 3</span></div>
|
||||
<div class="line"><span class="lineno"> 139</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint16_t</a> N3 = 3; <span class="comment">// Number of items</span></div>
|
||||
<div class="line"><span class="lineno"> 140</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::uint16_t></a> wt3 = {2, 4, 6}; <span class="comment">// Weights of the items</span></div>
|
||||
<div class="line"><span class="lineno"> 141</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::uint16_t></a> val3 = {5, 11, 13}; <span class="comment">// Values of the items</span></div>
|
||||
<div class="line"><span class="lineno"> 142</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint16_t</a> W3 = 27; <span class="comment">// Maximum capacity of the knapsack</span></div>
|
||||
<div class="line"><span class="lineno"> 143</span> <span class="comment">// Test the function and assert the expected output</span></div>
|
||||
<div class="line"><span class="lineno"> 144</span> assert(dynamic_programming::unbounded_knapsack::unboundedKnapsack(</div>
|
||||
<div class="line"><span class="lineno"> 145</span> N3, W3, val3, wt3) == 27);</div>
|
||||
<div class="line"><span class="lineno"> 146</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Maximum Knapsack value "</span></div>
|
||||
<div class="line"><span class="lineno"> 147</span> << <a class="code hl_function" href="#a1bcff7f76de48fa7f629480f8f18b5ef">dynamic_programming::unbounded_knapsack::unboundedKnapsack</a>(</div>
|
||||
<div class="line"><span class="lineno"> 148</span> N3, W3, val3, wt3)</div>
|
||||
<div class="line"><span class="lineno"> 149</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 150</span> </div>
|
||||
<div class="line"><span class="lineno"> 151</span> <span class="comment">// Test Case 4</span></div>
|
||||
<div class="line"><span class="lineno"> 152</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint16_t</a> N4 = 0; <span class="comment">// Number of items</span></div>
|
||||
<div class="line"><span class="lineno"> 153</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::uint16_t></a> wt4 = {}; <span class="comment">// Weights of the items</span></div>
|
||||
<div class="line"><span class="lineno"> 154</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::uint16_t></a> val4 = {}; <span class="comment">// Values of the items</span></div>
|
||||
<div class="line"><span class="lineno"> 155</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint16_t</a> W4 = 10; <span class="comment">// Maximum capacity of the knapsack</span></div>
|
||||
<div class="line"><span class="lineno"> 156</span> assert(dynamic_programming::unbounded_knapsack::unboundedKnapsack(</div>
|
||||
<div class="line"><span class="lineno"> 157</span> N4, W4, val4, wt4) == 0);</div>
|
||||
<div class="line"><span class="lineno"> 158</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Maximum Knapsack value for empty arrays: "</span></div>
|
||||
<div class="line"><span class="lineno"> 159</span> << <a class="code hl_function" href="#a1bcff7f76de48fa7f629480f8f18b5ef">dynamic_programming::unbounded_knapsack::unboundedKnapsack</a>(</div>
|
||||
<div class="line"><span class="lineno"> 160</span> N4, W4, val4, wt4)</div>
|
||||
<div class="line"><span class="lineno"> 161</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 162</span> </div>
|
||||
<div class="line"><span class="lineno"> 163</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"All test cases passed!"</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 164</span>}</div>
|
||||
<div class="ttc" id="abasic_ostream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a></div></div>
|
||||
<div class="ttc" id="aendl_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a></div><div class="ttdeci">T endl(T... args)</div></div>
|
||||
<div class="ttc" id="ainteger_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint16_t</a></div></div>
|
||||
<div class="ttc" id="aunbounded__0__1__knapsack_8cpp_html_a1bcff7f76de48fa7f629480f8f18b5ef"><div class="ttname"><a href="#a1bcff7f76de48fa7f629480f8f18b5ef">dynamic_programming::unbounded_knapsack::unboundedKnapsack</a></div><div class="ttdeci">std::uint16_t unboundedKnapsack(std::uint16_t N, std::uint16_t W, const std::vector< std::uint16_t > &val, const std::vector< std::uint16_t > &wt)</div><div class="ttdoc">Wrapper function to initiate the unbounded knapsack calculation.</div><div class="ttdef"><b>Definition</b> unbounded_0_1_knapsack.cpp:87</div></div>
|
||||
<div class="ttc" id="aunbounded__0__1__knapsack_8cpp_html_a1bcff7f76de48fa7f629480f8f18b5ef"><div class="ttname"><a href="#a1bcff7f76de48fa7f629480f8f18b5ef">dynamic_programming::unbounded_knapsack::unboundedKnapsack</a></div><div class="ttdeci">std::uint16_t unboundedKnapsack(std::uint16_t N, std::uint16_t W, const std::vector< std::uint16_t > &val, const std::vector< std::uint16_t > &wt)</div><div class="ttdoc">Wrapper function to initiate the unbounded knapsack calculation.</div><div class="ttdef"><b>Definition</b> unbounded_0_1_knapsack.cpp:93</div></div>
|
||||
<div class="ttc" id="avector_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a></div></div>
|
||||
</div><!-- fragment --><div class="dynheader">
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Here is the call graph for this function:</div>
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@@ -391,11 +411,13 @@ Here is the call graph for this function:</div>
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</dd>
|
||||
</dl>
|
||||
<dl class="section return"><dt>Returns</dt><dd>The maximum value that can be obtained for the given capacity. </dd></dl>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 89</span> {</div>
|
||||
<div class="line"><span class="lineno"> 90</span> <span class="keywordflow">if</span>(N==0)<span class="keywordflow">return</span> 0; <span class="comment">// Expect 0 since no items</span></div>
|
||||
<div class="line"><span class="lineno"> 91</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::vector<int></a>> <a class="code hl_namespace" href="../../df/d88/namespacedp.html">dp</a>(N, <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<int></a>(W + 1, -1)); <span class="comment">// Initialize memoization table</span></div>
|
||||
<div class="line"><span class="lineno"> 92</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#afe447a5979582174908695952c8a079c">KnapSackFilling</a>(N - 1, W, val, wt, <a class="code hl_namespace" href="../../df/d88/namespacedp.html">dp</a>); <span class="comment">// Start the calculation</span></div>
|
||||
<div class="line"><span class="lineno"> 93</span>}</div>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 95</span> {</div>
|
||||
<div class="line"><span class="lineno"> 96</span> <span class="keywordflow">if</span> (N == 0)</div>
|
||||
<div class="line"><span class="lineno"> 97</span> <span class="keywordflow">return</span> 0; <span class="comment">// Expect 0 since no items</span></div>
|
||||
<div class="line"><span class="lineno"> 98</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::vector<int></a>> <a class="code hl_namespace" href="../../df/d88/namespacedp.html">dp</a>(</div>
|
||||
<div class="line"><span class="lineno"> 99</span> N, <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<int></a>(W + 1, -1)); <span class="comment">// Initialize memoization table</span></div>
|
||||
<div class="line"><span class="lineno"> 100</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#afe447a5979582174908695952c8a079c">KnapSackFilling</a>(N - 1, W, val, wt, <a class="code hl_namespace" href="../../df/d88/namespacedp.html">dp</a>); <span class="comment">// Start the calculation</span></div>
|
||||
<div class="line"><span class="lineno"> 101</span>}</div>
|
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</div><!-- fragment --><div class="dynheader">
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Here is the call graph for this function:</div>
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<div class="dyncontent">
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Reference in New Issue
Block a user