#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;
}
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