제출 #784123

#제출 시각아이디문제언어결과실행 시간메모리
784123AlfraganusArranging Shoes (IOI19_shoes)C++14
10 / 100
18 ms3028 KiB
#include "shoes.h" // #include "grader.cpp" #include <bits/stdc++.h> using namespace std; long long count_swaps(vector<int> s) { int n = s.size() / 2; if(n == 1)return s[0] > 0; return n * (n - 1) / 2; }
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