제출 #1035959

#제출 시각아이디문제언어결과실행 시간메모리
1035959ArthuroWichArranging Shoes (IOI19_shoes)C++17
10 / 100
1 ms348 KiB
#include "shoes.h" #include<bits/stdc++.h> using namespace std; long long count_swaps(vector<int> s) { int n = s.size(), ans = 0; vector<int> vis(n, 0); for (int i = 0; i < n; i++) { if (vis[i]) { continue; } int co = 0, ind = -1; for (int j = i+1; j < n; j++) { if (!vis[j] && s[i] == s[j]*-1) { vis[j] = 1; ind = j; break; } co++; } ans += co; if (s[ind] < 0) { ans++; } } return ans; }
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