#include<stdio.h>int main(){    int a,c,d,e,f,g,h,l,z;    char b;    printf("请输入您想要打印的字符：");    b=getchar();    printf("请输入您想要打印菱形的行数（必须为正奇数）：（输入q表示终止程序）");    while(scanf("%d",&z)==1)        {        if(z%2==0)            {                printf("请检查输入的是否为正奇数并重新输入：");                continue;            }        else            {            for(a=1;a<=z/2+1;a++)                {                    for(c=1;c<=z/2+1-a;c++)                    printf(" ");                    for(d=1;d<=2*a-1;d++)                    putchar(b);                    printf("\n");                }            for(f=1;f<=z/2;f++)                {                    for(g=0;g>-f;g--)                    printf(" ");                    for(h=1;h<=z-2*f;h++)                    putchar(b);                    printf("\n");                }            }        }    return 0;}