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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. signed main(){
  4. 	int t;
  5. 	cin >> t;
  6. 	while(t--){
  7. 		int x, y;
  8. 		cin >> x >> y;
  9. 		cout << 1LL * x * y - y + 1 << endl; 
  10. 	}
  11.  
  12. }
Success #stdin #stdout 0.01s 5276KB
comments (?)
stdin 
5
2 3
2 2
1 3
514 114
1000000000 1000000000
stdout 
4
3
1
58483
999999999000000001
https://ideone.com/E9Haap
language:
C++14 (gcc 8.3)
created:
5 days ago
visibility:
public

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