各位大侠帮我看看这段程序哪里错了

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枫之泪-天涯

电梯直达

1^#

发表于 2009-11-3 04:17:51 | 只看该作者回帖奖励

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#include<stdio.h>
#include<windows.h>
int main()
{
float principal,rate,interest;
int days;
printf("enter loan principal (-1 to end):");
scanf("%f",&principal);
while(principal!=-1)
{printf("enter interest rate:");
   scanf("%f",&rate);
   printf("enter term of the loan in days:");
   scanf("%f",&days);
   interest=(float)principal*rate*days/365;
   printf("the interest charge is:$%.2f\n",interest);
   printf("enter loan principal (-1 to end):");
   scanf("%f",&principal);}
   system("pause");
   return 0;}
不管输入什么数怎么输出都是31124214.00呀

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丑剑客

2^#

发表于 2009-11-3 04:17:51 | 只看该作者

程序代码：
#include<stdio.h>
#include<stdlib.h>

int main()
{
float principal,rate,interest;
int days;
printf("enter loan principal (-1 to end):");
scanf("%f",&principal);
while(principal!=-1)
{
      printf("enter interest rate:");
      scanf("%f",&rate);
      printf("enter term of the loan in days:");
      scanf("%d",&days);                         //这行
      interest=(float)principal*rate*days/365;
      printf("the interest charge is:$%.2f\n",interest);
      printf("enter loan principal (-1 to end):");
      scanf("%f",&principal);
}
system("pause");
return 0;
}

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亾莣乁靈柩

3^#

发表于 2009-11-3 04:17:52 | 只看该作者

3Q3Q3Q3Q3Q3Q3Q3Q

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