제출 #143806

#제출 시각아이디문제언어결과실행 시간메모리
143806sasaArranging Shoes (IOI19_shoes)C++14
15 / 100
33 ms1912 KiB
#include "shoes.h" long long count_swaps(std::vector<int> s) { int n = s.size() / 2; long long ans = 0; for(int i=1; i<n; i++) ans += i; return ans; }
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