Submission #826614

#	Time	Username	Problem	Language	Result	Execution time	Memory
826614		Marco_Escandon	Stations (IOI20_stations)	C++17	0 / 100	3034 ms	2097152 KiB

stations

#include <vector>
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll vis=0;
vector<int> sol;
vector<ll> cad[1001];
void dfs(ll node,ll p, ll p2)
{
    if(p2%2==0)
    {
        sol[node]=vis;
        vis++;
    }

    for(auto i:cad[node])
    {
        if(i!=p)
        {
            dfs(i,node,p2+1);
        }
    }
    if(p2%2==1)
    {
        sol[node]=vis;
        vis++;
    }
}
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
    for(int i=0; i<u.size(); i++)
    {
        cad[u[i]].push_back(v[i]);
        cad[v[i]].push_back(u[i]);
    }
    sol.resize(n);
    dfs(0,-1,0);
	return sol;
}

int find_next_station(int s, int t, std::vector<int> c) {
    return 0;
	
}

Compilation message (stderr)

stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:30:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |     for(int i=0; i<u.size(); i++)
      |                  ~^~~~~~~~~

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