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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int i, j, n = 4;
  5.  
  6.     for (i = 0; i < n; i++) {
  7.         // พิมพ์ช่องว่าง
  8.         for (j = 1; j <= n - i; j++)
  9.             printf(" ");
  10.  
  11.         // พิมพ์ดอกจัน
  12.         for (j = 1; j <= 2 * i - 1; j++)
  13.             printf("*");
  14.  
  15.         printf("\n");
  16.     }
  17.  
  18.     return 0;
  19. }
Success #stdin #stdout 0.03s 25700KB
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#include <stdio.h>

int main() {
    int i, j, n = 4;

    for (i = 0; i < n; i++) {
        // พิมพ์ช่องว่าง
        for (j = 1; j <= n - i; j++)
            printf(" ");
        
        // พิมพ์ดอกจัน
        for (j = 1; j <= 2 * i - 1; j++)
            printf("*");
        
        printf("\n");
    }

    return 0;
}
https://ideone.com/mTvXwY
language:
PHP (php 7.3.5)
created:
8 days ago
visibility:
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