hira

<h1 id="a---weird-function">
<a class="header-anchor-link" href="#a---weird-function" aria-hidden="true"></a> A - Weird Function</h1>
<p>実際に関数を定義して問題文の通り書く。<br>
32bit整数でもギリギリオーバーフローしない。<br style="display:none">
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<h1 id="b---longest-segment">
<a class="header-anchor-link" href="#b---longest-segment" aria-hidden="true"></a> B - Longest Segment</h1>
<p>全組み合わせを見ても問題ない制約なのでやる。2点間の距離は公式で求める。<br style="display:none">
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<h1 id="c---happy-new-year!">
<a class="header-anchor-link" href="#c---happy-new-year!" aria-hidden="true"></a> C - Happy New Year!</h1>
<p>ただ1が2になっているだけの2進数なので、2進数文字列に変換してから1を2に置き換える。<br style="display:none">
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