제출 #282501

#제출 시각아이디문제언어결과실행 시간메모리
282501Kastanda게임 (IOI14_game)C++11
100 / 100
567 ms16124 KiB
// M #include<bits/stdc++.h> #include "game.h" using namespace std; const int N = 1509; int n, P[N], C[N][N]; void initialize(int _n) { n = _n; memset(P, -1, sizeof(P)); } int Find(int v) { return (P[v] < 0 ? v : (P[v] = Find(P[v]))); } inline void Merge(int v, int u) { v = Find(v); u = Find(u); assert(v != u); C[v][u] = C[u][v] = 0; for (int i = 0; i < n; i ++) { C[v][i] += C[u][i]; C[i][v] += C[u][i]; C[u][i] = C[i][u] = 0; } P[v] += P[u]; P[u] = v; } int hasEdge(int v, int u) { v = Find(v); u = Find(u); assert(v != u); C[v][u] ++; C[u][v] ++; if (C[v][u] == P[v] * P[u]) return Merge(v, u), 1; return 0; }
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