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  1. #include<bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. int main(){
  6.  
  7.     ios::sync_with_stdio(false);
  8.     cin.tie(NULL);
  9.  
  10.     string j,s;
  11.     int t;
  12.     cin>>t;
  13.  
  14.     while(t--){
  15.  
  16.         cin>>j>>s;
  17.  
  18.         unordered_set<char> jewel;
  19.  
  20.         for(char c : j){
  21.             jewel.insert(c);
  22.         }
  23.  
  24.         int cnt=0;
  25.         for(char c : s){
  26.             if(jewel.count(c)){
  27.                 cnt++;
  28.             }
  29.         }
  30.  
  31.         cout<<cnt<<'\n';
  32.     }
  33. }
Success #stdin #stdout 0s 5312KB
comments (?)
stdin
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4
abc
abcdef
aA
abAZ
aaa
a
what
none
stdout
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3
2
1
0
https://ideone.com/j98ARl
language:
C++14 (gcc 8.3)
created:
1 day ago
visibility:
public

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