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  1. #include <iostream>
  2. #include <algorithm>
  3. #include <stdio.h>
  4. #include <stdlib.h>
  5. #include <string.h>
  6. using namespace std;
  7.  
  8. int cache[101][101] = {0};
  9. int data[101][101]  = {0};
  10.  
  11. int main()
  12. {
  13.     int n, m;
  14.  
  15. 	cin >> n >> m;
  16.  
  17. 	for (int i=0; i<n; i++) {
  18. 		for (int j=0; j<m; j++) {
  19. 			cin >> data[i][j];
  20. 		}
  21. 	}
  22.  
  23. 	for (int i=0; i<m; i++) {
  24. 		cache[0][i] = data[0][i];
  25. 	}
  26.  
  27.  
  28. 	for (int i=1; i<n; i++) {
  29. 		int ret = 0;
  30. 		for (int j=0; j<m; j++) {
  31. 			ret = max(ret, cache[i-1][j]);
  32. 			for (int k=j+1; k<m; k++) {
  33. 				cache[i][k] = ret + data[i][k];
  34. 				//ret = max(ret, cache[i-1][j] + data[i][k]);
  35. 			}
  36. 			//cache[i][j] = ret;
  37. 		}
  38. 	}
  39.  
  40. 	int ret = 0;
  41. 	for (int i=0; i<m; i++)
  42. 		ret = max(ret, cache[n-1][i]);
  43.  
  44. 	cout << ret << endl;
  45.  
  46. 	/*for (int i=0; i<n; i++) {
  47. 		for (int j=0; j<m; j++) {
  48. 			cout << data[i][j] << " ";
  49. 		}
  50. 		cout << endl;
  51. 	}
  52. 	cout << "-------------\n";
  53. 	for (int i=0; i<n; i++) {
  54. 		for (int j=0; j<m; j++) {
  55. 			cout << cache[i][j] << " ";
  56. 		}
  57. 		cout << endl;
  58. 	}*/
  59. }
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https://ideone.com/PxH2LU
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
secret

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