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Jul 28th, 2016
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  1. 8 4 2
  2. 2 3 7
  3. 1 0 1
  4. 9 8 4
  5.  
  6. 8 0 2
  7. 2 0 7
  8. 0 0 0
  9. 9 0 4
  10.  
  11. public static void zeroMatrix(int[][] arr1)
  12. {
  13. ArrayList<Integer> coord = new ArrayList<>();
  14.  
  15. int row = arr1.length;
  16. int column = arr1[0].length;
  17. for(int i=0; i < row; i++)
  18. {
  19. for(int j=0; j < column; j++)
  20. {
  21. if(arr1[i][j]==0)
  22. {
  23. coord.add((10*i) + j);
  24. }
  25. }
  26. }
  27.  
  28. for(int n : coord)
  29. {
  30. int j=n%10;
  31. int i=n/10; int k=0;
  32. int l=0;
  33. while(k<row)
  34. {
  35. arr1[k][j]=0;
  36. k++;
  37. }
  38. while(l<column)
  39. {
  40. arr1[i][l]=0;
  41. l++;
  42. }
  43. }
  44. }
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