阅读程序写出程序运行结果
#include<stdio.h> int main(){ int k=0; char c= 'A'; do{ switch (c++){ //A B C D E F case 'A': k++; break;//1 case 'B':k--;//1 case 'C':k+=2; break; //3 6 case 'D' :k=k%2; break;//1 case 'E':k= k*10; break;//20 default: k=k/3;//7 } k++;//2 4 7 2 21 8 }while(c<'G'); printf ("k= %d\n",k); sleep(5000000); }