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#18149

C++

ProjectEuler25

#include <iostream>
#include <conio.h>
#include <cmath>

using namespace std;

int main()
{
    int i = 0;
    while (true)
    {
          i++;
          if (floor(i * log10((1+sqrt(5))/2) - log10(sqrt(5))) + 1 == 1000)
             break;
    }
    cout << i;
    getch();
}
https://snipt.net/embed/a1404baf29b1d1a6bd210ecf66deb956/
https://snipt.net/raw/a1404baf29b1d1a6bd210ecf66deb956/
a1404baf29b1d1a6bd210ecf66deb956
cpp
C++
19
2015-09-03T02:44:19
True
False
/api/public/snipt/18149/
projecteuler25
<table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><a href="#L-1"> 1</a> <a href="#L-2"> 2</a> <a href="#L-3"> 3</a> <a href="#L-4"> 4</a> <a href="#L-5"> 5</a> <a href="#L-6"> 6</a> <a href="#L-7"> 7</a> <a href="#L-8"> 8</a> <a href="#L-9"> 9</a> <a href="#L-10">10</a> <a href="#L-11">11</a> <a href="#L-12">12</a> <a href="#L-13">13</a> <a href="#L-14">14</a> <a href="#L-15">15</a> <a href="#L-16">16</a> <a href="#L-17">17</a> <a href="#L-18">18</a></pre></div></td><td class="code"><div class="highlight"><pre><span id="L-1"><a name="L-1"></a><span class="cp">#include &lt;iostream&gt;</span> </span><span id="L-2"><a name="L-2"></a><span class="cp">#include &lt;conio.h&gt;</span> </span><span id="L-3"><a name="L-3"></a><span class="cp">#include &lt;cmath&gt;</span> </span><span id="L-4"><a name="L-4"></a> </span><span id="L-5"><a name="L-5"></a><span class="k">using</span> <span class="k">namespace</span> <span class="n">std</span><span class="p">;</span> </span><span id="L-6"><a name="L-6"></a> </span><span id="L-7"><a name="L-7"></a><span class="kt">int</span> <span class="nf">main</span><span class="p">()</span> </span><span id="L-8"><a name="L-8"></a><span class="p">{</span> </span><span id="L-9"><a name="L-9"></a> <span class="kt">int</span> <span class="n">i</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> </span><span id="L-10"><a name="L-10"></a> <span class="k">while</span> <span class="p">(</span><span class="nb">true</span><span class="p">)</span> </span><span id="L-11"><a name="L-11"></a> <span class="p">{</span> </span><span id="L-12"><a name="L-12"></a> <span class="n">i</span><span class="o">++</span><span class="p">;</span> </span><span id="L-13"><a name="L-13"></a> <span class="k">if</span> <span class="p">(</span><span class="n">floor</span><span class="p">(</span><span class="n">i</span> <span class="o">*</span> <span class="n">log10</span><span class="p">((</span><span class="mi">1</span><span class="o">+</span><span class="n">sqrt</span><span class="p">(</span><span class="mi">5</span><span class="p">))</span><span class="o">/</span><span class="mi">2</span><span class="p">)</span> <span class="o">-</span> <span class="n">log10</span><span class="p">(</span><span class="n">sqrt</span><span class="p">(</span><span class="mi">5</span><span class="p">)))</span> <span class="o">+</span> <span class="mi">1</span> <span class="o">==</span> <span class="mi">1000</span><span class="p">)</span> </span><span id="L-14"><a name="L-14"></a> <span class="k">break</span><span class="p">;</span> </span><span id="L-15"><a name="L-15"></a> <span class="p">}</span> </span><span id="L-16"><a name="L-16"></a> <span class="n">cout</span> <span class="o">&lt;&lt;</span> <span class="n">i</span><span class="p">;</span> </span><span id="L-17"><a name="L-17"></a> <span class="n">getch</span><span class="p">();</span> </span><span id="L-18"><a name="L-18"></a><span class="p">}</span> </span></pre></div> </td></tr></table>
euler, project
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