通过输入 边长 和 形状 来绘制矩形

#include <stdio.h>

int mydraw(int, char);

int main(){
    int side;
    char patten;
    printf("please enter the side and the patten(eg 3 #): ");
    scanf("%d %c", &side, &patten);
    while ((0 != side) && ('0' != patten)){
        mydraw(side, patten);
        printf("please enter the side and the patten(eg 3 #): ");
        scanf("%d %c", &side, &patten);
    }
    return 0;
}

int mydraw(int len, char pen){
    for (int i = 0; i < len; i++){
        for (int i = 0; i < len; i++)
            printf("%c", pen);
        printf("\n");
    }
    return 0;
}