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realstealthninja
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<title>TheAlgorithms/C++: backtracking/subset_sum.cpp File Reference</title>
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@@ -264,7 +264,7 @@ Functions</h2></td></tr>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<span class="mlabels"><span class="mlabel static">static</span></span> </td>
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@@ -277,7 +277,7 @@ Functions</h2></td></tr>
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<div class="line"><span class="lineno"> 59</span> <span class="comment">// 1st test</span></div>
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<div class="line"><span class="lineno"> 60</span> std::cout << <span class="stringliteral">"1st test "</span>;</div>
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<div class="line"><span class="lineno"> 61</span> std::vector<int32_t> array1 = {-7, -3, -2, 5, 8}; <span class="comment">// input array</span></div>
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<div class="line"><span class="lineno"> 62</span> assert(backtracking::subset_sum::number_of_subsets(0, array1) ==</div>
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<div class="line"><span class="lineno"> 62</span> assert(<a class="code hl_function" href="#a7cb50d36a59427a33f64a266dac83d99">backtracking::subset_sum::number_of_subsets</a>(0, array1) ==</div>
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<div class="line"><span class="lineno"> 63</span> 2); <span class="comment">// first argument in subset_sum function is the required sum and</span></div>
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<div class="line"><span class="lineno"> 64</span> <span class="comment">// second is the input array</span></div>
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<div class="line"><span class="lineno"> 65</span> std::cout << <span class="stringliteral">"passed"</span> << std::endl;</div>
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@@ -285,7 +285,7 @@ Functions</h2></td></tr>
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<div class="line"><span class="lineno"> 67</span> <span class="comment">// 2nd test</span></div>
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<div class="line"><span class="lineno"> 68</span> std::cout << <span class="stringliteral">"2nd test "</span>;</div>
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<div class="line"><span class="lineno"> 69</span> std::vector<int32_t> array2 = {1, 2, 3, 3};</div>
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<div class="line"><span class="lineno"> 70</span> assert(backtracking::subset_sum::number_of_subsets(6, array2) ==</div>
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<div class="line"><span class="lineno"> 70</span> assert(<a class="code hl_function" href="#a7cb50d36a59427a33f64a266dac83d99">backtracking::subset_sum::number_of_subsets</a>(6, array2) ==</div>
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<div class="line"><span class="lineno"> 71</span> 3); <span class="comment">// here we are expecting 3 subsets which sum up to 6 i.e.</span></div>
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<div class="line"><span class="lineno"> 72</span> <span class="comment">// {(1,2,3),(1,2,3),(3,3)}</span></div>
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<div class="line"><span class="lineno"> 73</span> std::cout << <span class="stringliteral">"passed"</span> << std::endl;</div>
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@@ -293,7 +293,7 @@ Functions</h2></td></tr>
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<div class="line"><span class="lineno"> 75</span> <span class="comment">// 3rd test</span></div>
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<div class="line"><span class="lineno"> 76</span> std::cout << <span class="stringliteral">"3rd test "</span>;</div>
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<div class="line"><span class="lineno"> 77</span> std::vector<int32_t> array3 = {1, 1, 1, 1};</div>
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<div class="line"><span class="lineno"> 78</span> assert(backtracking::subset_sum::number_of_subsets(1, array3) ==</div>
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<div class="line"><span class="lineno"> 78</span> assert(<a class="code hl_function" href="#a7cb50d36a59427a33f64a266dac83d99">backtracking::subset_sum::number_of_subsets</a>(1, array3) ==</div>
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<div class="line"><span class="lineno"> 79</span> 4); <span class="comment">// here we are expecting 4 subsets which sum up to 1 i.e.</span></div>
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<div class="line"><span class="lineno"> 80</span> <span class="comment">// {(1),(1),(1),(1)}</span></div>
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<div class="line"><span class="lineno"> 81</span> std::cout << <span class="stringliteral">"passed"</span> << std::endl;</div>
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@@ -301,7 +301,7 @@ Functions</h2></td></tr>
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<div class="line"><span class="lineno"> 83</span> <span class="comment">// 4th test</span></div>
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<div class="line"><span class="lineno"> 84</span> std::cout << <span class="stringliteral">"4th test "</span>;</div>
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<div class="line"><span class="lineno"> 85</span> std::vector<int32_t> array4 = {3, 3, 3, 3};</div>
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<div class="line"><span class="lineno"> 86</span> assert(backtracking::subset_sum::number_of_subsets(6, array4) ==</div>
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<div class="line"><span class="lineno"> 86</span> assert(<a class="code hl_function" href="#a7cb50d36a59427a33f64a266dac83d99">backtracking::subset_sum::number_of_subsets</a>(6, array4) ==</div>
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<div class="line"><span class="lineno"> 87</span> 6); <span class="comment">// here we are expecting 6 subsets which sum up to 6 i.e.</span></div>
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<div class="line"><span class="lineno"> 88</span> <span class="comment">// {(3,3),(3,3),(3,3),(3,3),(3,3),(3,3)}</span></div>
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<div class="line"><span class="lineno"> 89</span> std::cout << <span class="stringliteral">"passed"</span> << std::endl;</div>
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@@ -309,11 +309,12 @@ Functions</h2></td></tr>
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<div class="line"><span class="lineno"> 91</span> <span class="comment">// Test 5</span></div>
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<div class="line"><span class="lineno"> 92</span> std::cout << <span class="stringliteral">"5th test "</span>;</div>
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<div class="line"><span class="lineno"> 93</span> std::vector<int32_t> array5 = {};</div>
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<div class="line"><span class="lineno"> 94</span> assert(backtracking::subset_sum::number_of_subsets(6, array5) ==</div>
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<div class="line"><span class="lineno"> 94</span> assert(<a class="code hl_function" href="#a7cb50d36a59427a33f64a266dac83d99">backtracking::subset_sum::number_of_subsets</a>(6, array5) ==</div>
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<div class="line"><span class="lineno"> 95</span> 0); <span class="comment">// here we are expecting 0 subsets which sum up to 6 i.e. we</span></div>
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<div class="line"><span class="lineno"> 96</span> <span class="comment">// cannot select anything from an empty array</span></div>
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<div class="line"><span class="lineno"> 97</span> std::cout << <span class="stringliteral">"passed"</span> << std::endl;</div>
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<div class="line"><span class="lineno"> 98</span>}</div>
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<div class="ttc" id="asubset__sum_8cpp_html_a7cb50d36a59427a33f64a266dac83d99"><div class="ttname"><a href="#a7cb50d36a59427a33f64a266dac83d99">backtracking::subset_sum::number_of_subsets</a></div><div class="ttdeci">uint64_t number_of_subsets(int32_t sum, const std::vector< int32_t > &in_arr)</div><div class="ttdoc">The main function implements count of subsets.</div><div class="ttdef"><b>Definition</b> <a href="../../d2/d5a/subset__sum_8cpp_source.html#l00034">subset_sum.cpp:34</a></div></div>
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@@ -323,7 +324,7 @@ Functions</h2></td></tr>
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