제출 #601614

#제출 시각아이디문제언어결과실행 시간메모리
601614ShithilaArranging Shoes (IOI19_shoes)C++14
15 / 100
25 ms3128 KiB
#include "shoes.h" #include <bits/stdc++.h> long long count_swaps(std::vector<int> s) { long long len=s.size(); len=len/2; len--; long long ans=len*(len+1); ans=ans/2; return ans; }
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