// nesting for statements
#include <stdio.h>

void  main(void)
{
   int  column = 35, col, row = 15;

   // row, execute outer for loop
   // start with the preset value, decrement until 1
   for( ; row > 0; row--)
   {
          // column, execute inner loop
          // start with preset col, decrement until 1
          for(col = column; col > 0; col--)
          // print #
          printf("#");
          // decrement by 1 for inner loop
          // go to new line for new row
          printf("\n");
   }
   // decrement by 1 for outer loop, repeats
}