제출 #982791

#제출 시각아이디문제언어결과실행 시간메모리
982791vjudge1게임 (APIO22_game)C++17
60 / 100
4089 ms29612 KiB
#include "game.h" #include <bits/stdc++.h> #define rep(a,b,c) for(int a=b; a<c; a++) #define repr(a,b,c) for(int a=b-1; a>c-1; a--) #define repa(a,b) for(auto a:b) #define fi first #define se second #define pii pair<int, int> #define ll long long #define pb push_back using namespace std; int N, K; const int lim=5e5+5; vector<int> adj[lim]; bool ans=false; int vis[lim]; void init(int n, int k) { N=n; K=k; fill(vis,vis+n,-1); rep(i,0,k) vis[i]=i; } void dfs(int u, int r){ vis[u]=r; if(vis[u]>u) ans=true; repa(v,adj[u]){ if(vis[v]<r) dfs(v,r); if(v==r) ans=true; } } int add_teleporter(int u, int v) { adj[u].pb(v); dfs(u,vis[u]); return ans; }
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