Submission #403154

#	Time	Username	Problem	Language	Result	Execution time	Memory
403154		AmineTrabelsi	Stations (IOI20_stations)	C++14	0 / 100	3056 ms	2097156 KiB

stations

#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
const int Mx = 1001;
vector<int> labels;
vector<int> tr[Mx];
void dfs(int node,int par){
    for(auto i:tr[node]){
        if(i != par){
            labels[i] = labels[node]+1;
            dfs(i,node);
        }
    }
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
	labels.assign(n,0);
	for (int i = 0; i < n-1; i++) {
		tr[u[i]].push_back(v[i]);
        tr[v[i]].push_back(u[i]);
	}
    int root = 0;
    for(int i=0;i<n;i++){
        if(tr[i].size() == 1){
            root = i;
            break;
        }
    }
    dfs(root,-1);
	return labels;
}

int find_next_station(int s, int t, vector<int> c) {
    int ans = -1;
    if(t >= s){
        for(auto i:c){
            ans = max(ans,i);
        }
    }else{
        ans = 1e9+7;
        for(auto i:c){
            ans = min(ans,i);
        }
    }
	return ans;
}

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