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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main()
  5. {
  6.     int i,j,num=11,space,rows;
  7.     printf("enter the no. of rows\n");
  8.     scanf("%d",&rows);
  9.     for(i=1;i<=rows;i++)
  10.     {
  11.         for(space=1;space<=(rows-i);space++)
  12.         {
  13.             printf("   ");
  14.     	}
  15.     	{
  16.           for(j=1;j<i+1;j++)
  17.           {
  18.               printf("%d    ",num);
  19.             num++;
  20.           }
  21.     printf("\n");
  22.        }
  23.     }
  24. }
Success #stdin #stdout 0s 4388KB
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stdin
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4
stdout
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enter the no. of rows
         11    
      12    13    
   14    15    16    
17    18    19    20
https://ideone.com/MkuXdq
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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