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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int rows = 3, i, j, k, num = 1;
  5.  
  6.     for (i = 1; i <= rows; i++) {
  7.         for (k = 1; k <= rows - i; k++) printf(" ");
  8.         for (j = 1; j <= i; j++) printf("%d ", num++);
  9.         printf("\n");
  10.     }
  11.     return 0;
  12. }
  13.  
Success #stdin #stdout 0.01s 5304KB
comments (?)
stdin 
Standard input is empty
stdout 
  1 
 2 3 
4 5 6
https://ideone.com/8fUFId
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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