Submission #367196

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
367196	2021-02-16 14:12:39	rumen_m	Stations (IOI20_stations)	C++17	100 / 100	1152 ms	1208 KiB

stations

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#include "stations.h"
#include <vector>
#include <bits/stdc++.h>
using namespace std;
const int maxn=1005;
std::vector<int> labelss;
vector <int> g[maxn];
int id;
void dfs(int v, bool level, int par)
{
   // cout<<v<<" "<<level<<endl;
    if(level==1)
    {
        id++;
        labelss[v] = id;
    }
    int u;
    int i;
    for(i = 0; i<g[v].size();i++)
    {
        u = g[v][i];
        if(u==par)continue;
       // cout<<v<<"->"<<u<<endl;
        dfs(u,!level,v);
    }
    if(level==0)
    {
        id++;
        labelss[v] = id;
    }
 
 
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Compilation message (stderr)

stations.cpp: In function 'void dfs(int, bool, int)':
stations.cpp:19:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     for(i = 0; i<g[v].size();i++)
      |                ~^~~~~~~~~~~~

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