제출 #283214

#제출 시각아이디문제언어결과실행 시간메모리
283214IWANTTOGETGOLDINIOIArranging Shoes (IOI19_shoes)C++14
25 / 100
34 ms3192 KiB
#include <iostream> #include <vector> #include <algorithm> using namespace std; int count_swaps( vector < int > vc ){ int n = vc.size() / 2; long long res = 0; if(n == 1) { if (vc[0] < 0) { return 0; } return 1; } for (int i = 1;i < n; i++){ res += i; } return res; }
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