Submission #639616

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
639616	2022-09-10 17:48:39	teesla	Monthly railway pass (LMIO18_menesinis_bilietas)	C++14	10 / 100	477 ms	30668 KiB

menesinis_bilietas

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#include <bits/stdc++.h>
using namespace std;
const int maxn=5*1e5+10;
int n,m;
vector<int> adj[maxn];
int visitado[maxn];
void dfs(int x){
  visitado[x]=1;
  for(int i=0; i<adj[x].size(); i++){
    int viz=adj[x][i];
    if(visitado[viz]==1)continue;
    dfs(viz);
  }
  return;
}
int main(){
  cin >> n>> m;
  for(int i=0; i<m; i++){
    int a,b;
    char c;
    cin >> a >> b >> c;
    adj[a].push_back(b);
    adj[b].push_back(a);
  }
  dfs(1);
  int res=n;
  for(int i=1; i<=n; i++) if(visitado[i]==0) res=0;
  cout << res<<endl;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

menesinis_bilietas.cpp: In function 'void dfs(int)':
menesinis_bilietas.cpp:10:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |  for(int i=0; i<adj[x].size(); i++){
      |               ~^~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 6
• Subtask 3: 0 / 30
• Subtask 4: 0 / 35
• Subtask 5: 0 / 19