错在何处

#include "stdio.h"
#include "math.h"
main()
{int account_number;
float beginning_balance,total_charges,total_credits,credit_limit,x;

do
{
printf("Enter account number(-1 to end):");
scanf("%d",&account_number);
}
while(account_number=-1);
printf("Enter beginning balance:");
scanf("%f",&beginning_balance);
printf("Enter total charges:");
scanf("%f",&total_charges);
printf("Enter total credits:");
scanf("%f",&total_credits);
printf("Enter credit limit:");
scanf("%f",&credit_limit);
x=beginning_balance+total_charges-total_credits;
if(x>=credit_limit){
printf("Account: %d\n",account_number);
printf("Credit limit: %f\n",credit_limit);
printf("Balance: %f\n",x);
printf(&quo

错在何处 java程序不知道错在何处 奇怪，这段程序错在何处？ 南楼在何处 关东在何处 高手在何处？？？？ 心在何处？ 孙储琳在何处 内关穴在何处 朋友在何处?~~~~~~~~~