作业3(6)查询水果的单价。有 4 种水果,苹果(apples)、梨(pears)、桔子(oranges)和葡萄(grapes),
#include<stdio.h> int main(void) { int choice,i; double price; for(i=1;i<=5;i++){ printf("[1] Select apples \n"); printf("[2] Select pears \n"); printf("[3] Select oranges \n"); printf("[4] Select grapes \n"); printf("[0] exit \n"); printf("Enter choice:"); scanf_s("%d",&choice); if(choice==0) break; switch(choice){/*利用switch,break显示各项*/ case 1:price=3.00; break; case 2:price=2.50; break; case 3:price=4.10; break; case 4:price=10.20; break; } printf("price=%.2f\n",price); } printf("Thanks \n"); return 0; }