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  1. #include <string>
  2. #include <iostream>
  3. #include <vector>
  4. using namespace std;
  5.  
  6. int main() {
  7. long long t, n, k, result;
  8. cin>>t;
  9. while(t--){
  10. cin>>n>>k;
  11. result = (n-k)/6.0;
  12. if((n-k)% 6 != 0)
  13. result++;
  14. }
  15. cout<<result<<endl;
  16. return 0;
  17. }
Success #stdin #stdout 0s 4292KB
stdin
4
12 7
11 4
3 1
34 4
stdout
5