C语言编程题

#include<stdio.h>

#include<stdlib.h>

main(){

int?area,w,flag=1;

float?price,weight;

scanf("%d,%f",&area,&weight);

w=(int)weight+1;

switch(area){

case?0:?price=10+3*(w-1);break;

case?1:?price=10+4*(w-1);break;

case?2:?price=15+5*(w-1);break;

case?3:?price=15+6.5*(w-1);break;

case?4:?price=15+10*(w-1);break;

default:{

printf("Error?in?Arean");

????????printf("Price:?0.00n");

flag=0;

}

}

if(flag)

printf("Price:?%5.2fn",price);

system("pause");

}

float s,o; printf("请输入运费：n"); scanf("%f",&s); if(s<0) printf("路程输入错误！"); else if(s<250) o=0; else if(s<500) o=0.02; else if(s<1000) o=0.05; else if(s<2000) o=0.08; else if(s<3000) o=0.1; else o=0.15; //o就是折扣