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  1. #include<iostream>
  2. #include<unordered_map>
  3. using namespace std;
  4. void exists_or_not(int arr[],int n,int ele){
  5.     unordered_map<int,bool>m;
  6.     for(int i=0;i<n;i++){
  7.             m[arr[i]]=true;
  8.         }
  9.  
  10.         if(m.find(ele)!= m.end()){
  11.             cout<<"Yes"<<endl;
  12.         }
  13.         else{
  14.             cout<<"No"<<endl;
  15.         }
  16.  
  17. }
  18. int main(){
  19.     int t,q,ele,n,arr[n];
  20.     cin>>t;
  21.     for(int i=0;i<t;i++){
  22.         cin>>n;
  23.         for(int i=0;i<n;i++){
  24.             cin>>arr[i];
  25.         }
  26.         cin>>q;
  27.         for(int i=0;i<q;i++){
  28.            cin>>ele;
  29.            exists_or_not(arr,n,ele);
  30.         }
  31.     }
  32.  
  33. return 0;}
  34.  
Success #stdin #stdout 0s 4444KB
comments (?)
stdin
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1
6
12 3 -67 67 34 2
4
4
5
67
7
stdout
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No
No
Yes
No
https://ideone.com/3MRDB2
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
secret

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