제출 #48236

#제출 시각아이디문제언어결과실행 시간메모리
48236cheater2k게임 (IOI14_game)C++17
0 / 100
2 ms840 KiB
#include "game.h" #include <bits/stdc++.h> using namespace std; const int MAXN = 1505; int n, par[MAXN], nver[MAXN], nedge[MAXN]; int anc(int p) { return p == par[p] ? p : par[p] = anc(par[p]); } bool join(int p, int q) { p = anc(p), q = anc(q); ++nedge[p]; ++nedge[q]; if (nedge[p] == nver[p] * (n - nver[p]) || nedge[q] == nver[q] * (n - nver[q])) { // join p, q nedge[p] -= nver[p] * nver[q]; nedge[q] -= nver[p] * nver[q]; nedge[q] += nedge[p]; nedge[p] = 0; nver[q] += nver[p]; nver[p] = 0; par[p] = q; return true; } else { return false; } } void initialize(int N) { n = N; for (int i = 0; i < n; ++i) { par[i] = i; nver[i] = 1; nedge[i] = 0; } } int hasEdge(int u, int v) { return join(u, v); }
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