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; }