1036. 跟奥巴马一起编程(15)

#include<stdio.h>
int main(void) {
    int n = 0;
    char c;
    scanf("%d %c",&n,&c);
    for (int i = 0; i < n; i++) {
        printf("%c",c);
    }
    printf("\n");
    if (n%2) {
    for (int i = 0; i < n/2-1; i++) {
        printf("%c",c);
        for (int j = 0; j < n-2; j++) {
            printf(" ");
        }
        printf("%c\n",c);
    }
    for (int i = 0; i < n; i++) {
        printf("%c",c);
    }
    } else {
        for (int i = 0; i < n/2-2; i++) {
            printf("%c",c);
            for (int j = 0; j < n-2; j++) {
                printf(" ");
            }
            printf("%c\n",c);
        }
        for (int i = 0; i < n; i++) {
            printf("%c",c);
        }
    }
    return 0;
}