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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. void printArray(int **mainArray, int rc, int cc)
  5. {
  6.         for(int c = 0;c<cc;c++)
  7.         {
  8.                 for(int r = 0;r<rc;r++)
  9.                 {
  10.                         cout<<mainArray[r][c]<<" ";
  11.                 }
  12.                 cout<<endl;
  13.         }
  14. }
  15. void nullify(int **mainArray, int rc, int cc)
  16. {
  17.     for(int r = 0;r<rc;r++)
  18.     {
  19.         for(int c = 0;c<cc;c++)
  20.         {
  21.             mainArray[r][c] = 0;
  22.         }
  23.     }
  24.     }
  25. void populateArray(int **mainArray, int rc, int cc, int n)
  26. {
  27.         nullify(mainArray, rc,cc);
  28.         int nn = 1;
  29.         for(int r = 0;r<rc;r++)
  30.         {
  31.                 for(int c = 0;c<cc;c++)
  32.                 {
  33.                         if(nn<=n)
  34.                         {
  35.                                 mainArray[r][c] = nn;
  36.                                 ++nn;
  37.                         }
  38.  
  39.                 }
  40.  
  41.         }
  42. }
  43. int **createArray(int rows, int columns)
  44. {
  45. 		int **values = new int*[rows];
  46.         for(int i = 0;i<rows;i++)
  47.         {
  48.                 values[i] = new int[columns];
  49.         }
  50.         return values;
  51. }
  52. int main() {
  53.         int n = 10;
  54.         //4 rows
  55.         const int rows = 4;
  56.         const int columns = (n/rows)+1;
  57.         int **array = createArray(rows, columns);
  58.         populateArray(array,rows,columns,n);
  59.         printArray(array,rows,columns);
  60.         return 0;
  61. }
  62.  
Success #stdin #stdout 0s 3468KB
comments (?)
stdin 
Standard input is empty
stdout 
1 4 7 10 
2 5 8 0 
3 6 9 0
https://ideone.com/CfJlyM
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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