제출 #1104662

#제출 시각아이디문제언어결과실행 시간메모리
1104662Nxmkxing게임 (IOI14_game)C++14
0 / 100
1 ms508 KiB
#include "game.h" #include <bits/stdc++.h> using namespace std; const int MxN = 1510; int n, p[MxN], deg[MxN]; int find_set(int u) { if (p[u] == u) return u; return p[u] = find_set(p[u]); } void union_set(int u, int v) { u = find_set(u); v = find_set(v); if (u != v) { deg[u] += deg[v]; p[v] = u; } } void initialize(int N) { n = N; for (int i = 0; i < n; i++) deg[i] = n - 1; iota(p, p + n, 0); } int hasEdge(int u, int v) { u = find_set(u); v = find_set(v); if (u == v) { deg[u] -= 2; return 1; } if (deg[u] == 1 || deg[v] == 1) { union_set(u, v); u = find_set(u); deg[u] -= 2; return 1; } else { deg[u]--; deg[v]--; return 0; } }
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