圣诞节来了，相信大家都想有一科独特的圣诞树，下面由我为大家C语言代码打印一棵圣诞树吧！#include <stdio.h>int main(){int i, j, n, b, s;printf("请输入树的层数：");scanf("%d", &n);for (i = 1; i <= n; i++){for (j = 1; j <= i + 1; j++){