/* Dasproc C - 2019
William Handi Wijaya
0087

Menghitung perubahan pada cobalt
*/

#include <stdio.h>
#include <math.h>
#define HALF_LIFE 5.272
int main()
{
    int i; //loop variable
    double amount; // input - initial amount of cobalt
    //get the initial amount
    printf("\nEnter the initial amount of Cobalt - ");
    scanf("%lf", &amount);
    //printing the results
    printf("\nYear %8c Amount Remains", ' ');
        //printing the each year remains
    for (i = 1; i <= 5; i++)
    {
        amount -= (amount * exp(-0.0693 * (i / HALF_LIFE)));
        printf("\n %d %10c %.4f g", i, ' ', amount);
    }
    return 0;
}