제출 #1296098

#제출 시각아이디문제언어결과실행 시간메모리
1296098kawhiet기지국 (IOI20_stations)C++20
0 / 100
396 ms636 KiB
#include <bits/stdc++.h> #include "stations.h" using namespace std; vector<int> a; vector<bool> vis; vector<vector<int>> g; void dfs(int u) { a.push_back(u); vis[u] = 1; for (auto v : g[u]) { if (!vis[v]) { dfs(v); } } } vector<int> label(int n, int k, vector<int> u, vector<int> v) { g.assign(n, {}); vis.assign(n, 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); break; } } vector<int> labels(n); for (int i = 0; i < n; i++) { labels[a[i]] = i; } return labels; } int find_next_station(int s, int t, vector<int> c) { if (s < t) { return c.back(); } else { return c[0]; } }
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