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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int main() {
  6.  
  7. long long enemy, us;
  8.  
  9. while(cin >> us >> enemy)
  10. {
  11. cout << abs(us - enemy)<< "\n";
  12. }
  13. return 0;
  14. }
Success #stdin #stdout 0s 5320KB
stdin
10 12
10 13
10 2345
stdout
2
3
2335