as ...study ** like climbing a ladder,to step by step to climb,one foot across the four or five step attempts,ground to ascend to he**en,it must be wrestling.-hua ...
首先,你的程序有问题!printf后面没有冒号。#include <stdio.h>int main(){ int k; scanf("%d",&k); switch(k) { case 1:printf("%d\n",k++); case 2:printf("%d\n",k++); case 3:printf("...