Submission #1310911

#	Time	Username	Problem	Language	Result	Execution time	Memory
1310911		hmms127	Stations (IOI20_stations)	C++20	5 / 100	400 ms	564 KiB

stations

#include "stations.h"
#include <vector>
#include<bits/stdc++.h>
#define pb push_back
using namespace std;
const int N=1e3+5;
vector<int>labels;
vector<vector<int>>adj;
int cnt=0;
void dfs(int node,int par){
    labels[node]=cnt++;
    for(auto it:adj[node])if(it!=par)dfs(it,node);
}
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
    labels.resize(n);
    adj.assign(n,{});
    cnt=0;
	for(int i=0;i<n-1;i++){
	    adj[u[i]].pb(v[i]);
	    adj[v[i]].pb(u[i]);
	}
	for(int i=0;i<n;i++){
	  if(adj[i].size()!=1)continue;
	  dfs(i,-1);
	  break;
	}
	return labels;
}
int find_next_station(int s, int t, std::vector<int> c) {
	return(s<t ? c.back():c[0]);
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 8
• Subtask 3: 0 / 16
• Subtask 4: 0 / 10
• Subtask 5: 0 / 61