#include <stdio.h>
#include <stdlib.h>
int main()
{
printf("=====================\n");
printf("===欢迎来12306购票===\n");
printf("1.地址 2.退出\n请输入相应数字进行操作:");
int a=0;
int b=0;
int c=0;
int money=0;
int count=0;
int num=100;
scanf("%d",&a);
if(a==1){
printf("1.武汉 2.北京 3.上海\n");
}else{return 0;}
do{
printf("请输入您所在地的编号:");
scanf("%d",&b);
if(b<1||b>3){continue;}
printf("请输入目的地的编号:");
scanf("%d",&c);
if(c<1||c>3){continue;}
count=1;
} while(count=0&&(c-b)==0);
if(b-c==1||b-c==-1){printf("当前票价为250元,剩余票数:%d",num);}
if(b-c==2||b-c==-2){printf("当前票价为350元,剩余票数:%d",num);}
num--;
system("pause");
}
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