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  1. /* http://es.stackoverflow.com/q/32069/127
  2.    Recorrer una matriz por la diagonal       */
  3.  
  4. import java.util.*;
  5. import java.lang.*;
  6.  
  7. class Ideone
  8. {
  9.     public static void main(String args[])
  10.     {
  11.         //Completar valores en diagonal
  12.         final int n = 5;
  13.         final int m = 4;
  14.         final int cantDiagonales = n + m - 1;
  15.  
  16.         int a[][] = new int[m][n];
  17.  
  18.         for (int diagonal = 0, num = 0; diagonal < cantDiagonales; diagonal++) {
  19.  
  20. 	        for (int x,
  21. 	        		 y = Math.min(diagonal,m - 1); //que y no exceda m
  22. 	        	y >= 0 && (x = diagonal - y) < n;  //que x no exceda n
  23. 	        	y--) {
  24.  
  25. 	            a[y][x] = num++;
  26. 	        }
  27.  
  28.         }
  29.  
  30.         //Imprimir el resultado
  31.         for(int y = 0; y < m; y++) {
  32.             for(int x = 0; x < n; x++) {
  33.                 System.out.print(a[y][x] + "\t");
  34.             }
  35.             System.out.println();
  36.         }
  37.     }
  38. }
Success #stdin #stdout 0.04s 711168KB
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Standard input is empty
stdout
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0	2	5	9	13	
1	4	8	12	16	
3	7	11	15	18	
6	10	14	17	19
https://ideone.com/Y7iUvH
Recorrer una matriz por la diagonal -- http://es.stackoverflow.com/q/32069/127
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
secret

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