C语言 输出菱形 do while语句？

Question

如题所述

Answer 1

#include<stdio.h>void main(){ int i,j,k; int m,n,f; i=1; do { j=1; do { printf(" "); j++; } while(j<11-i); k=1; do { printf("*"); k++; } while(k<=2*i-1); i++; printf("\n"); }while(i<10); f=1; do { m=1; do { printf(" "); m++; }while(m<=f); n=1; do { printf("*"); n++; }while(n<=19-2*f); f++; printf("\n"); } while(f<10); }