Submission #62805698

Source Code Expand

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# include<bits/stdc++.h>
using namespace std;
int n , m , cnt , u , v;
vector <int> g[200010];
int main()
{
  cin >> n >> m;
  for(int i = 1 ; i <= m ; i ++)
  {
    bool flag = 1;
    cin >> u >> v;
    if(u == v)
    {
      cnt ++;
      continue;
    }
    for(int j = 0 ; j < g[u].size() ; j ++)
    {
      if(g[u][j] == v)
      {
        cnt ++;
 
 
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# include<bits/stdc++.h>
using namespace std;
int n , m , cnt , u , v;
vector <int> g[200010];
int main()
{
	cin >> n >> m;
	for(int i = 1 ; i <= m ; i ++)
	{
		bool flag = 1;
		cin >> u >> v;
		if(u == v)
		{
			cnt ++;
			continue;
		}
		for(int j = 0 ; j < g[u].size() ; j ++)
		{
			if(g[u][j] == v)
			{
				cnt ++;
				flag = 0;
				break;
			}
		}
		if(flag)
		{
			g[u].push_back(v);
			g[v].push_back(u);
		}
	}
	cout << cnt;
	return 0;
}

Submission Info

Compile Error

Main.cpp: In function ‘int main()’:
Main.cpp:17:35: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::vector<int>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   17 |                 for(int j = 0 ; j < g[u].size() ; j ++)
      |                                 ~~^~~~~~~~~~~~~

Judge Result