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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n, m, sum=0;
  6. 	cin >> n >> m;
  7. 	int ara[n][m];
  8.  
  9. 	for(int i=0; i<n; i++){
  10. 		for(int j=0; j<m; j++){
  11. 			cin >> ara[i][j];
  12. 		}
  13. 	}
  14.  
  15. 	int r1, c1, r2, c2;
  16. 	cin >> r1 >> c1 >> r2 >> c2;
  17.  
  18. 	for(int i=(r1 - 1); i<(r2 - 1); i++){
  19. 		for(int j=(c1 - 1); j<(c2 - 1); j++){
  20. 			sum += ara[i][j];
  21. 		}
  22. 	}
  23. 	cout << sum;
  24.  
  25. 	return 0;
  26. }
Success #stdin #stdout 0.01s 5288KB
comments ()
stdin
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4 5
1 3 2 4 5
4 2 7 6 5
9 2 3 5 1
7 8 1 7 2
2 2 3 4
stdout
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9
https://ideone.com/jsCorY
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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