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  1. #include <iostream>
  2. #include <fstream>
  3. #include <vector>
  4. #include <queue>
  5. #include <stack>
  6. #include <algorithm>
  7. #include <cstdio>
  8.  
  9. using namespace std;
  10.  
  11. long long int hori[1010], verti[1010];
  12. long long int grid[1010][1010];
  13.  
  14. int main() {
  15. 	int N;
  16. 	long long int ans = -1e18;
  17. 	cin>>N;
  18. 	for(int i = 0; i < N; i++) {
  19. 		for(int j = 0; j < N; j++) {
  20. 			cin>>grid[i][j];
  21. 		}
  22. 	}
  23. 	for(int i = 0; i < N; i++) {
  24. 		for(int j = 0; j < N; j++) {
  25. 			hori[i] += grid[i][j];
  26. 			verti[j] += grid[i][j];
  27. 		}
  28. 	}
  29. 	for(int i = 0; i < N; i++) {
  30. 		for(int j = 0; j < N; j++) {
  31. 			ans = max(ans, hori[i]+verti[j]-grid[i][j]);
  32. 		}
  33. 	}
  34. 	cout<<ans<<endl;
  35. }
  36.  
Time limit exceeded #stdin #stdout 5s 11456KB
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https://ideone.com/4j6t8p
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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