제출 #1059442

#제출 시각아이디문제언어결과실행 시간메모리
1059442ArthuroWich기지국 (IOI20_stations)C++17
5 / 100
574 ms940 KiB
#include "stations.h" #include<bits/stdc++.h> using namespace std; vector<int> adj[1005]; int timer = 0, en[1005]; void dfs(int i, int p) { for (int j : adj[i]) { if (j == p) { continue; } dfs(j, i); } en[i] = timer; timer++; } vector<int> label(int n, int k, vector<int> u, vector<int> v) { vector<int> labels(n); timer = 0; for (int i = 0; i <= n; i++) { adj[i].clear(); en[i] = 0; } int leaf = 0; for (int i = 0; i < n-1; i++) { adj[u[i]].push_back(v[i]); adj[v[i]].push_back(u[i]); } for (int i = 0; i < n; i++) { if (adj[i].size() == 1) { leaf = i; break; } } dfs(leaf, -1); for (int i = 0; i < n; i++) { labels[i] = en[i]; } return labels; } int find_next_station(int s, int t, vector<int> c) { for (int i : c) { if (t <= i) { return i; } } return c.back(); }
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