제출 #1181271

#제출 시각아이디문제언어결과실행 시간메모리
1181271Kerim게임 (IOI14_game)C++17
0 / 100
0 ms328 KiB
#include "game.h" #include <algorithm> using namespace std; const int N = 1502; int ata[N], C; int tap(int x){ if (ata[x] == x) return ata[x]; return ata[x] = tap(ata[x]); } void merge(int x, int y){ if ((x=tap(x)) == (y=tap(y))) return; ata[y] = x; } bool is_connected(int x, int y){ return (tap(x) == tap(y)); } void initialize(int n) { C = n; for (int i = 0; i < n; i++) ata[i] = i; } int hasEdge(int u, int v) { if (!is_connected(u, v)){ if (C == 2) return 0; else{ merge(u, v); C -= 1; return 1; } } return 0; }
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