Submission #1192087

#	Time	Username	Problem	Language	Result	Execution time	Memory
1192087		alexdd	Stations (IOI20_stations)	C++20	0 / 100	305 ms	528 KiB

stations

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

void check(bool bl)
{
    if(bl==0)
        while(1);
}

vector<int> con[1005];
int tout[1005];
int timer;
void dfs(int nod, int par)
{
    for(int adj:con[nod])
    {
        if(adj==par)
            continue;
        dfs(adj,nod);
    }
    tout[nod] = timer++;
}
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v)
{
    for(int i=0;i<n;i++)
        con[i].clear();
    for(int i=0;i<u.size();i++)
    {
        con[u[i]].push_back(v[i]);
        con[v[i]].push_back(u[i]);
    }
    /*int root=0;
    for(int i=0;i<n;i++)
        if(con[i].size() < con[root].size())
            root = i;*/
    timer=0;
    dfs(0,-1);
    vector<int> sol(n);
    for(int i=0;i<n;i++)
        sol[i] = tout[i];
    return sol;
}
int find_next_station(int s, int t, std::vector<int> c)
{
    if((int)c.size() == 1)
        return c[0];

    for(int i=1;i<c.size();i++)
        check(c[i-1] <= c[i]);

    if(t > s)
        return c.back();
    for(int i=0;i<c.size();i++)
        if(t <= c[i])
            return c[i];
}
/*

1
7 6

0 2
2 1
1 3
0 4
4 5
5 6

6

0 3 2
0 1 2
0 2 2

0 6 4
0 5 4
0 4 4



*/

Compilation message (stderr)

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:57:1: warning: control reaches end of non-void function [-Wreturn-type]
   57 | }
      | ^

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