#include <stdio.h>
#include <stdlib.h>
int main()
{
int i, j, k, n;
printf("input the n:\n");
scanf("%d", &n);
for(i = 0; i < n; i++)//控制行數
{
for(j = 0; j <= i; j++)//控制*數
{
printf("*");
for(k = 0; k < i;k++)//控制.數
{
printf(".");
}
}
printf("\n");//換行,保證不打印在一行上
}
return 0;
}
輸出:input the n:
6
*
*.*.
*..*..*..
*...*...*...*...
*....*....*....*....*....
*.....*.....*.....*.....*.....*.....
請按任意鍵繼續. . .