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  1. import java.io.BufferedReader;
  2. import java.io.InputStreamReader;
  3.  
  4. class Main
  5. {
  6. 	public static void main (String[] args) throws Exception
  7. 	{
  8. 		BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
  9. 		String[] params1 = bufferedReader.readLine().split(" ");
  10. 		int n = Integer.parseInt(params1[0]);
  11. 		int m = Integer.parseInt(params1[1]);
  12. 		int[][] A = new int[n][m];
  13. 		for (int i=0; i<n; i++)	{
  14. 	        String[] params2 = bufferedReader.readLine().split(" ");
  15. 			for (int j=0; j<m; j++)	{
  16. 				A[i][j] = Integer.parseInt(params2[j]);
  17. 			}
  18. 		}
  19. 		for (int i=1; i<n; i++)	{
  20. 			A[i][0]+=A[i-1][0];
  21. 		}
  22. 		for (int i=1; i<m; i++)	{
  23. 			A[0][i]+=A[0][i-1];
  24. 		}
  25. 		for (int i=1; i<n; i++)	{
  26. 			for (int j=1; j<m; j++) {
  27. 				A[i][j]+=Math.min(A[i-1][j],A[i][j-1]);
  28. 			}
  29. 		}
  30. 		System.out.println(A[n-1][m-1]);
  31. 	}
  32. }
Success #stdin #stdout 0.04s 2184192KB
comments (?)
stdin 
1 5
1 1 2 2 1
stdout 
7
https://ideone.com/CxfzH1
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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