Submission #1157418

#TimeUsernameProblemLanguageResultExecution timeMemory
1157418zhasyn기지국 (IOI20_stations)C++20
0 / 100
0 ms448 KiB
#include "stations.h" #include <bits/stdc++.h> #define pb push_back #define pf push_front using namespace std; #define F first #define S second typedef long long ll; #define pii pair <int, int> #define pll pair <ll, ll> typedef long double ld; const ll N = 1000 + 100, M = 4096 + 10, len = 21, inf = 1e18; const ll mod = 1e9 + 7; ll um(ll a, ll b){ return (1LL * a * b) % mod; } ll subr(ll a, ll b){ return ((1LL * a - b) % mod + mod) % mod; } int pos[N]; vector <int> q[N]; void dfs(int v, int pred, int cnt){ pos[v] = cnt; for(auto u : q[v]){ if(u == pred) continue; dfs(u, v, cnt + 1); } } vector<int> label(int n, int k, vector<int> u, vector<int> v) { vector <int> labels(n); for(int i = 0; i < (int)u.size(); i++){ q[u[i]].pb(v[i]); q[v[i]].pb(u[i]); } dfs(0, -1, 0); for(int i = 0; i < n; i++){ labels.pb(pos[i]); } return labels; } int find_next_station(int s, int t, vector<int> c) { if(t > s) return s + 1; else return s - 1; }
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