Submission #1194278

#	Time	Username	Problem	Language	Result	Execution time	Memory
1194278		simona1230	Stations (IOI20_stations)	C++20	0 / 100	313 ms	5176 KiB

stations

#include "stations.h"
#include <bits/stdc++.h>
using namespace std;

vector<int> g[200001];
int used[200001];
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
	vector<int> l(n);
	for(int i=0;i<n;i++)
        g[i].clear(),used[i]=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++)
        l[i]=i;

    return l;
}

int find_next_station(int s, int t, std::vector<int> c)
{
    vector<int> h={};
    if(s<t)
    {
        while(s<=t)
        {
            h.push_back(t);
            if(t==0)break;
            t/=2;
        }
        if(h[h.size()-1]==s)return h[h.size()-2];
    }

    return s/2;
}

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