제출 #982689

#제출 시각아이디문제언어결과실행 시간메모리
982689vjudge1Game (APIO22_game)C++17
2 / 100
167 ms262144 KiB
#include "game.h" #include<bits/stdc++.h> using namespace std; int vt[300003],N,K; vector<int>ad[300003]; bool dfs(int u,int vl=-1){ if(u<K&&u<=vl)return 1; if(u<K)vl=u; vt[u]=vl; for(auto v:ad[u]) if(vt[v]==-1||vt[v]<=vl) if(dfs(v,vl))return 1; return 0; } void init(int n, int k) { N=n,K=k; for(int i=0;i<k-1;i++) ad[i].push_back(i+1); } int add_teleporter(int u, int v){ ad[u].push_back(v); for(int i=0;i<N;i++)vt[i]=-1; return dfs(0); }
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