제출 #251417

#제출 시각아이디문제언어결과실행 시간메모리
251417ryanseeArranging Shoes (IOI19_shoes)C++14
15 / 100
29 ms3192 KiB
#include "shoes.h" long long count_swaps(std::vector<int> s) { int n = s.size() / 2; long long ans=0; for(int i=n-1;i>=1;--i) ans += i; return ans; }
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