제출 #982966

#제출 시각아이디문제언어결과실행 시간메모리
982966KenjikrabGame (APIO22_game)C++17
60 / 100
4088 ms18780 KiB
#include "game.h" #include<bits/stdc++.h> using namespace std; int const n_max=3e5+10; int mx[n_max]; vector<int> node[n_max]; int n,k; void init(int N, int K) { n=N; k=K; fill(mx,mx+n,-1); } bool flag=false; int add_teleporter(int u, int v) { if(flag)return 1; node[u].push_back(v); queue<int> q; int val=mx[u]; if(u<k)val=u; if(val==-1)return 0; q.push(v); while(!q.empty()) { int cur=q.front(); q.pop(); if(mx[cur]>=val)continue; if(cur<k&&val>=cur) { flag=true; return 1; } mx[cur]=val; for(auto nxt:node[cur]) { if(mx[nxt]>=val)continue; q.push(nxt); } } return 0; }
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