为什末会这样呢！！！！！！

#include <iostream>
#include <string.h>
#include <stdio.h>
#include <iomanip>
using namespace std;//银行中最大的账户数量
#define MAXACCOUNTNUMBER 20000
//银行卡的开号初始值
#define INITNUMBER 10001struct Account
{long accNumber;   //卡号char accName[20]; //户主char accPwd[10];  //密码double balance;   //余额char flag[6];     //卡的状态
};
int size=0;
Account array[MAXACCOUNTNUMBER];
void work();
void openAccount();
void pid();
void deposit();
void withdrawal();
void transfer();
long autoCreament();
void printAccount(Account acc);
int main()
{int i;char username[20];char password[10];cout<<"                +------------------------------------------+"<<endl;cout<<"                |                                          |"<<endl;cout<<"                |                                          |"<<endl;cout<<"                |        欢迎使用储蓄业务综合平台          |"<<endl;cout<<"                |                                          |"<<endl;cout<<"                |                                          |"<<endl;cout<<"                +------------------------------------------+"<<endl;for(i=0;i<3;i++){cout<<"请输入用户名：";cin>>username;cout<<endl;cout<<"请输入密码：";cin>>password;cout<<endl;if(strcmp(username,"admin")==0&&strcmp(password,"admin")==0){cout<<"输入正确，请选择业务前的序号"<<endl;work();}else{if(i<2)cout<<"用户名或密码输入错误，您还有"<<3-i<<"次机会，请重新输入！"<<endl;else{cout<<"您已三次输入错误的用户名或密码，系统将自动退出！"<<endl;}}
}
return 0;
}
void work()
{int order;cout<<"               +-------------------------------+"<<endl;cout<<"               |-----1.开户-2.查询-3.存款------|"<<endl;cout<<"               |-----4.取款-5.转账-6.退出------|"<<endl;cout<<"               +-------------------------------+"<<endl;cin>>order;switch(order){case 1:openAccount();break;case 2:pid();break;case 3:deposit();break;case 4:withdrawal();break;default:break;}
}
void openAccount()//开户
{cout<<"请输入户主名:";cin>>array[size].accName;cout<<"请输入密码:";cin>>array[size].accPwd;cout<<"请输入初次存款金额:";cin>>array[size].balance;//..strcpy(array[size].flag,"正常");//写卡号array[size].accNumber=autoCreament();printAccount(array[size]);size++;cout<<"开户成功,按任意键返回"<<endl;fflush(stdin);getchar();
}
long autoCreament()
{if(size==0){return INITNUMBER;}else{return array[size-1].accNumber+1;}
}
void printAccount(Account acc)
{cout<<"|----------------------------------------|"<<endl;cout<<setiosflags(ios::left)<<"|"<<setw(8)<<"账号"<<setw(8)<<"户主名"<<setw(8)<<"密码"<<setw(8)<<"卡内余额"<<setw(8)<<"状态"<<"|"<<endl;cout<<setiosflags(ios::left)<<"+----------------------------------------+"<<endl;cout<<setiosflags(ios::left)<<"|"<<setw(8)<<acc.accNumber<<setw(8)<<acc.accName<<setw(8)<<acc.accPwd<<setw(8)<<acc.balance<<setw(8)<<acc.flag<<"|"<<endl;cout<<"|----------------------------------------|"<<endl;
}void pid()//查询
{}
void deposit()//存款{long accNum;//存款的账号double money;//存款的金额int pos;cout<<"请输入账号:";cin>>accNum;cout<<"请输入存款金额:";cin>>money;if(pos==-1){//卡号有误cout<<"卡号不存在，请重新输入卡号"<<endl;//...deposit();}else{//展示下存款前卡的信息cout<<"存款前卡的信息:"<<endl;printAccount(array[pos]);//找到了该卡号所对应的卡array[pos].balance+=money;//展示存款后卡的信息cout<<"存款后卡的信息:"<<endl;printAccount(array[pos]);cout<<"存款成功,按任意键返回"<<endl;fflush(stdin);getchar();}}
void withdrawal()//取款{}