Question

c语言怎么用符号画空心长方形

Answer 1

#include <stdio.h>

#define SIGN '*'

int main(int argc, char* argv[])
{
        int length, width;
        int i, j;

        printf("Input the length and width of rectangle: ");
        scanf("%d %d", &length, &width);

        printf("Length: %d\n", length);
        printf(" Width: %d\n", width);

        for(i=1; i<=width; i++)
        {
                if(i==1 || i==width)
                {
                        for(j=0; j<length; j++)
                                printf("%c", SIGN);
                        printf("\n");
                }
                else
                {
                        printf("%c", SIGN);
                        for(j=0; j<length-2; j++)
                                printf(" ");
                        if(length>1)
                                printf("%c", SIGN);
                        printf("\n");
                }
        }
       
        return 0;
}