제출 #1220588

#제출 시각아이디문제언어결과실행 시간메모리
1220588rainboyPermutation Game (APIO25_permgame)C++20
6 / 100
0 ms328 KiB
#include "permgame.h" #include <cstring> #include <vector> using namespace std; typedef vector<int> vi; const int N = 400; int ej[N][2], eo[N]; int Alice(int n_, int m, vi ii, vi jj, int n, vi pp) { memset(eo, 0, n_ * sizeof *eo); int bad = 0; for (int h = 0; h < m; h++) { int i = ii[h], j = jj[h]; if (eo[i] == 2 || eo[j] == 2) { bad = 1; break; } ej[i][eo[i]++] = j, ej[j][eo[j]++] = i; } if (bad) { int k = 0; for (int i = 0; i < n; i++) if (pp[i] == i) k++; return k; } return -1; }
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