Question

c语言编程，循环结构题目

Answer 1

#include <stdio.h>
#include <math.h>
int main()
{
    int i,j,n;
    scanf("%d",&n);
    for(i=0;i<n;++i)
    {
        for(j=-n+1;j<n;++j)
        {
            if(abs(j)>i)
            {
                printf(" ");
            }
            else
            {
                printf("%c",abs(j)%2?'#':'*');
            }
        }
        printf("\n");
    }
    return 0;
}