1. #include <stdio.h>
    2. #include <math.h>
    4. int main() {
    5.     double const percent = 0.08;
    6.     int const years = 30;
    7.     int const limit = 12000;
    9.     double sum = limit;
    11.     for (int i = 0; i < years; i++) {
    12.         sum = sum * (1 + percent) + limit;
    13.     }
    14.     sum = sum - limit;
    16.     printf("Persent = %.02f\nLimit = %d\nYears = %d\nInvest = %.02f\nSum = %.02f\n", 
    17.         percent, limit, years, (double)limit * years, sum);
    19.     printf("\n=============================\n\n");
    21.     sum = 0;
    22.     for (int i = 0; i < years; i++) {
    23.         sum = sum + limit * pow(1 + percent, years - i);
    24.     }
    26.     printf("Persent = %.02f\nLimit = %d\nYears = %d\nInvest = %.02f\nSum = %.02f\n", 
    27.         percent, limit, years, (double)limit * years, sum);
    29.     return 0;
    30. }