Submission #826656

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
826656	2023-08-15 19:07:38	Marco_Escandon	Stations (IOI20_stations)	C++17	100 / 100	844 ms	876 KiB

stations

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#include <vector>
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll vis=0;
vector<int> sol;
vector<vector<ll>> cad;
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) {
    vis=0;
 
 
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Compilation message (stderr)

stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:32:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |     for(int i=0; i<u.size(); i++)
      |                  ~^~~~~~~~~
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:67:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |         for(int i=0; i<c.size(); i++)
      |                      ~^~~~~~~~~
stations.cpp:73:1: warning: control reaches end of non-void function [-Wreturn-type]
   73 | }
      | ^

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