第二章例2-5

#include<stdio.h>
#include<math.h>  
int main(void)
{
    int money,year;                   
    double rate,sum;                  

    printf("Enter money:");          
    scanf("%d",&money);              
    printf("Enter year:");           
    scanf("%d",&year);             
    printf("Enter rate:");           
    scanf("%lf",&rate);              
    sum=money*pow(1+rate,year);      
    printf("sum=%.2f/n",sum);
   
    return 0;
}