제출 #1052373

#제출 시각아이디문제언어결과실행 시간메모리
1052373fuad27기지국 (IOI20_stations)C++17
5 / 100
535 ms1196 KiB
#include "stations.h" #include <bits/stdc++.h> using namespace std; const int N = 1010; vector<int> g[N]; int tin[N], tout[N], dp[N]; int tim=0, tim2=0; void dfs(int at, int p) { // if(dp[at]) tin[at]=tim++; for(int to:g[at]) { if(to==p)continue; dp[to] = dp[at]^1; dfs(to, at); } // if(!dp[at]) // tout[at]=tim++; } std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) { std::vector<int> labels(n); for(int i = 0;i<=n;i++)g[i].clear(); tim=0; for(int i = 0;i<n-1;i++) { g[u[i]].push_back(v[i]); g[v[i]].push_back(u[i]); } for(int i = 0;i<n;i++) { if(g[i].size()==1) { dfs(i,i); break; } } for (int i = 0; i < n; i++) { labels[i] = tin[i]; // if(dp[i])labels[i] = tin[i]; // else labels[i] = tout[i]; // cout << i << " " << labels[i] << endl; } return labels; } int find_next_station(int s, int t, std::vector<int> c) { vector<int> kk=c; sort(kk.begin(), kk.end()); if(s < t)return kk.back(); else return kk[0]; return 0; }
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