제출 #997635

#제출 시각아이디문제언어결과실행 시간메모리
997635daffuwu게임 (IOI14_game)C++14
100 / 100
228 ms26708 KiB
#include <bits/stdc++.h> #include "game.h" using namespace std; int n, rep[1569], cnt[1569][1569]; int fd(int x) { if (rep[x] != x) rep[x] = fd(rep[x]); return rep[x]; } void initialize(int n) { ::n = n; int i, j; for (i=0; i<=n-1; i++) { rep[i] = i; for (j=i+1; j<=n-1; j++) cnt[i][j] = 1; } } int hasEdge(int u, int v) { int i; if (fd(u)>fd(v)) swap(u, v); if (cnt[fd(u)][fd(v)] == 1) { // u gabung ke v aja for (i=0; i<=n-1; i++) cnt[min(fd(v), i)][max(fd(v), i)] += cnt[min(fd(u), i)][max(fd(u), i)]; rep[fd(u)] = fd(v); return 1; } cnt[fd(u)][fd(v)]--; return 0; }
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