Submission #1308158

#	Time	Username	Problem	Language	Result	Execution time	Memory
1308158		athena	Lasers (NOI19_lasers)	C++20	0 / 100	11 ms	572 KiB

lasers

#include <bits/stdc++.h>
using namespace std;
#define int long long int
int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int l,n;
    cin>>l>>n;
    //int arr[n];
    int ans=0;
    for(int i=0;i<n;i++)
    {
      int x;
      cin>>x;
      for(int j=0;j<x;j++)
      {
        int a;
        cin>>a;
        if(a==l)
          ans=l;
      }
    }
    cout<<ans<<endl;
    return 0;
    
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 14
• Subtask 3: 0 / 20
• Subtask 4: 0 / 21
• Subtask 5: 0 / 22
• Subtask 6: 0 / 13