学习笔记习题2.3

/* programe exercise 2.3 */
#include<stdio.h>
int main(){
???
??? float price_a = 3.5f ;
??? float price_l = 5.5f ;
??? int shuliang = 0 ;
??? char Hhuaban = 'H' ;
??? char putongban = 'P' ;
??? char version ='0';
??? float je = 0.00f ;

??? printf(" enter the version H or P: \n");
??? scanf("%c",&version) ;
??? printf(" enter the shuliang you buy:\n");
??? scanf(" %d",&shuliang);

??? if(version == 'H'){
??? ??? je = price_l * (float) shuliang ;
??? }else{
??? ??? je = price_a * (float) shuliang ;
??? }

??? printf(" the jin e is %.2f",je);
??? return 0;

??? ?

}