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  1. //
  2. //  main.cpp
  3. //  B - Apartments
  4. //
  5. //  Created by Farrah Tharwat on 28/01/2023.
  6. //
  7.  
  8. #include <iostream>
  9. #include <set>
  10. using namespace std;
  11. void farrouha(){
  12.     ios_base::sync_with_stdio(false);
  13.     cin.tie(NULL);
  14.     cout.tie(NULL);
  15. }
  16. int main(int argc, const char * argv[]) {
  17.     farrouha;
  18.     int n,m,k,cnt=0;
  19.     set <int> nn;
  20.     set <int> mm;
  21.     set <int> kk;
  22.     cin>>n>>m>>k;
  23.     while(n--){
  24.         int x;
  25.         cin>>x;
  26.         nn.insert(x);
  27.     }
  28.     while(m--){
  29.         int x;
  30.         cin>>x;
  31.         mm.insert(x);
  32.     }
  33.     set <int>::iterator i;
  34.     for(i=nn.begin(); i!=nn.end(); i++){
  35.         if(mm.count(*i)||mm.count((*i)+5)||mm.count((*i)-5))
  36.             cnt++;
  37.     }
  38.     cout<<cnt<<"\n";
  39. }
  40.  
Success #stdin #stdout 0.01s 5536KB
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https://ideone.com/RN0eWr
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
public

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