제출 #103267

#제출 시각아이디문제언어결과실행 시간메모리
103267naoai게임 (IOI14_game)C++14
100 / 100
831 ms20732 KiB
#include "game.h" #include <bits/stdc++.h> using namespace std; const int nmax = 1500; static int n; int ok[nmax + 1][nmax + 1]; int gr[nmax + 1], t[nmax + 1]; int findtata (int x) { if (x == t[x]) return x; return t[x] = findtata(t[x]); } void initialize(int N) { n = N; for (int i = 0; i < n; ++ i) { for (int j = 0; j < n; ++ j) { ok[i][j] = 1; } ok[i][i] = 0; } for (int i = 0; i < n; ++ i) { t[i] = i; gr[i] = 1; } } int hasEdge(int u, int v) { u = findtata(u), v = findtata(v); if (ok[u][v] > 1) { -- ok[u][v]; -- ok[v][u]; return 0; } else { if (gr[u] < gr[v]) swap(u, v); for (int i = 0; i < n; ++ i) { ok[u][i] += ok[v][i]; ok[i][u] += ok[i][v]; ok[v][i] = ok[i][v] = 0; } ok[u][u] = 0; gr[u] += gr[v]; t[v] = u; return 1; } }
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