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<div class="headertitle"><div class="title">largest_power.cpp</div></div>
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<div class="contents">
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<a href="../../d5/d7a/largest__power_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include <cassert></span> </div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include <iostream></span> </div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../dd/d47/namespacemath.html">math</a> {</div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span></div>
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<div class="foldopen" id="foldopen00029" data-start="{" data-end="}">
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"><a class="line" href="../../dd/d47/namespacemath.html#afa39ec943a4836c878e1614fd89b146f"> 29</a></span>uint64_t <a class="code hl_function" href="../../dd/d47/namespacemath.html#afa39ec943a4836c878e1614fd89b146f">largestPower</a>(uint32_t n, <span class="keyword">const</span> uint16_t& p) {</div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// Initialize result</span></div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> <span class="keywordtype">int</span> x = 0;</div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// Calculate result</span></div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keywordflow">while</span> (n) {</div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> n /= p;</div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> x += n;</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> }</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keywordflow">return</span> x;</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span>}</div>
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</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> </div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span>} <span class="comment">// namespace math</span></div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span></div>
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<div class="foldopen" id="foldopen00048" data-start="{" data-end="}">
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"><a class="line" href="../../d5/d7a/largest__power_8cpp.html#aa8dca7b867074164d5f45b0f3851269d"> 48</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d5/d7a/largest__power_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>() {</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> uint8_t test_case_1 = <a class="code hl_function" href="../../dd/d47/namespacemath.html#afa39ec943a4836c878e1614fd89b146f">math::largestPower</a>(5, 2);</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> assert(test_case_1 == 3);</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> std::cout << <span class="stringliteral">"Test 1 Passed!"</span> << std::endl;</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> </div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> uint16_t test_case_2 = <a class="code hl_function" href="../../dd/d47/namespacemath.html#afa39ec943a4836c878e1614fd89b146f">math::largestPower</a>(10, 3);</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> assert(test_case_2 == 4);</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> std::cout << <span class="stringliteral">"Test 2 Passed!"</span> << std::endl;</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> uint32_t test_case_3 = <a class="code hl_function" href="../../dd/d47/namespacemath.html#afa39ec943a4836c878e1614fd89b146f">math::largestPower</a>(25, 5);</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> assert(test_case_3 == 6);</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> std::cout << <span class="stringliteral">"Test 3 Passed!"</span> << std::endl;</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> uint32_t test_case_4 = <a class="code hl_function" href="../../dd/d47/namespacemath.html#afa39ec943a4836c878e1614fd89b146f">math::largestPower</a>(27, 2);</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> assert(test_case_4 == 23);</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> std::cout << <span class="stringliteral">"Test 4 Passed!"</span> << std::endl;</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> </div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> uint16_t test_case_5 = <a class="code hl_function" href="../../dd/d47/namespacemath.html#afa39ec943a4836c878e1614fd89b146f">math::largestPower</a>(7, 3);</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> assert(test_case_5 == 2);</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> std::cout << <span class="stringliteral">"Test 5 Passed!"</span> << std::endl;</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span>}</div>
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</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span></div>
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<div class="foldopen" id="foldopen00074" data-start="{" data-end="}">
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"><a class="line" href="../../d5/d7a/largest__power_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"> 74</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../d5/d7a/largest__power_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>() {</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <a class="code hl_function" href="../../d5/d7a/largest__power_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>(); <span class="comment">// execute the tests</span></div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span>}</div>
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</div>
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<div class="ttc" id="alargest__power_8cpp_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="../../d5/d7a/largest__power_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a></div><div class="ttdeci">static void test()</div><div class="ttdoc">Function for testing largestPower function. test cases and assert statement.</div><div class="ttdef"><b>Definition</b> <a href="#l00048">largest_power.cpp:48</a></div></div>
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<div class="ttc" id="alargest__power_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="../../d5/d7a/largest__power_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdoc">Main function.</div><div class="ttdef"><b>Definition</b> <a href="#l00074">largest_power.cpp:74</a></div></div>
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<div class="ttc" id="anamespacemath_html"><div class="ttname"><a href="../../dd/d47/namespacemath.html">math</a></div><div class="ttdoc">for assert</div></div>
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<div class="ttc" id="anamespacemath_html_afa39ec943a4836c878e1614fd89b146f"><div class="ttname"><a href="../../dd/d47/namespacemath.html#afa39ec943a4836c878e1614fd89b146f">math::largestPower</a></div><div class="ttdeci">uint64_t largestPower(uint32_t n, const uint16_t &p)</div><div class="ttdoc">Function to calculate largest power.</div><div class="ttdef"><b>Definition</b> <a href="#l00029">largest_power.cpp:29</a></div></div>
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