제출 #740473

#제출 시각아이디문제언어결과실행 시간메모리
740473Kenjikrab게임 (APIO22_game)C++17
2 / 100
4053 ms8656 KiB
#include "game.h" #include<bits/stdc++.h> using namespace std; int const n_max=3e5+10; int N,K; bitset<n_max> visited; vector<int> len(n_max,INT_MAX); vector<int> node[n_max]; void init(int n, int k) { cin.tie(nullptr)->sync_with_stdio(false); N=n; K=k; for(int i=0;i<k;i++) { visited[i]=true; len[i]=i; } } int add_teleporter(int u, int v) { if(visited[u]) { if(v<K&&len[u]>=v)return 1; queue<int> q; if(!visited[v]||len[v]<len[u])q.push(v); visited[v]=true; while(!q.empty()) { int cur=q.front(); len[cur]=len[u]; q.pop(); for(auto nxt:node[cur]) { if(nxt<K&&len[cur]>=nxt)return 1; if(!visited[nxt]||len[nxt]<len[cur]) { q.push(nxt); } } } } else node[u].push_back(v); return 0; }
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