题解 | #字符圣诞树#

#include <stdio.h>

int main() {
    char ch;
    scanf("%c",&ch);
    printf("    %c\n",ch);
    printf("   %c %c\n",ch,ch);
    printf("  %c %c %c\n",ch,ch,ch);
    printf(" %c %c %c %c\n",ch,ch,ch,ch);
    printf("%c %c %c %c %c\n",ch,ch,ch,ch,ch);
    return 0;
}