제출 #28898

#제출 시각아이디문제언어결과실행 시간메모리
28898noobprogrammer게임 (IOI14_game)C++14
100 / 100
709 ms19672 KiB
#include "game.h" #include <bits/stdc++.h> using namespace std ; #define ii pair<int,int> #define fi first #define se second #define vi vector<int> int n , cnt[1505] , used[1505] , par[1505] , adj[1505][1505] ; int find_root(int x){ if(par[x] == x) return x ; return par[x] = find_root(par[x]) ; } void initialize(int N) { n = N ; for(int i=0;i<n;i++) for(int j=0;j<n;j++) if(i != j) adj[i][j] = 1; for(int i=0;i<n;i++) par[i] = i ; } int hasEdge(int u, int v) { int pu = find_root(u), pv = find_root(v) ; if(pu == pv) return 0 ; adj[pu][pv]-- ; adj[pv][pu]--; if(adj[pv][pu] == 0) { par[pv] = pu ; int rt ; for(int i=0;i<n;i++){ rt = find_root(i) ; if(rt != i || rt == pu) continue ; adj[pu][i] = adj[pu][i] + adj[pv][i] ; adj[i][pu] = adj[pu][i] ; } return 1; } return 0 ; }
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