字符金字塔（输入一个字符，构造金字塔）

#include 
int main(){
	char i;
	int n,m,blank;
	scanf("%c",&i);
for (n = 1; n <= 5; n++)
{
    blank = 1;
    while (blank <= 5 - n)
    {
        printf(" ");
        blank++;
    }
    for (m = 1; m <= n; m++)
    {
        printf("%c", i);
        printf(" ");
    }
    printf("n");
}
return 0;
}