#include<stdio.h>

#define high 100//定义界面大小

#define wide 100

void Circle(int ridus)

{int i,j;

    for(i=;i<*ridus+;i++){

        for(j=;j<*ridus+;j++){

            if(4.14*(i-ridus)*(i-ridus)+(j-ridus)*(j-ridus)<=ridus*ridus){printf("*");}//满足圆的方程

            else{printf(" ");}

        }printf("\n");

    }

}    

int main()

{

    int h = , k = , l = ;

    printf("请输入圆的半径\n");

    scanf_s("%d", &h);

    Circle(h);

    system("pause");

    return ;

}