Question

. Programing Just with #include <stdio.h> Once again we will create a program that tells us how many months we need to save to reach a goal. This time however, using recursive functions. The guidelines are the following: In main, ask the user for the initial amount, the goal and the “monthly amount" (the constant amount of money that will be put aside every month). Once you have these values you should call your function. Your function should not return anything and it should accept 4 arguments. These four arguments are: the goal to reach, the current amount of money, the monthly amount that will be put aside, and the number of months passed. What do you think should be the value of months passed the first time you call the function? As discussed in class, your recursive function should have an if and an else. Depending on how you set up your function, one of these two will be the one that returns and ends the recursion. The other one will be the one that performs the operations and re-call the function. When you end the recursion make sure to display the number of months needed to reach such goal (this should go right before the return statement). Output sample: Which amount are you trying to reach? 1000 How much money do you currently have? 100 How much will you put aside every month? 100 The number of months you'll need is: 9

Answer 1

Answer:

Explanation:

here is the funciton calculate takin 4 arguments for goal , current, monthly and the months as reference to update it .

Then using if else, it checks if goal is reached or not, until the goal is not reached, it keeps increasing the current value and incrementing the months by 1.

feel free to comment if you need any help!

Code:

#include <stdio.h>

void calculate(int goal, int current, int monthly, int* months)
{
if(goal<=current)
{
return;
}
else
{
(*months)++ ;
calculate(goal, current+monthly, monthly, months);
}
}

int main()
{
int goal, current, monthly, months = 0;
printf("Which amount are you trying to reach? ");
scanf("%d", &goal);
  
printf("How much money do you currently have? ");
scanf("%d", &current);
  
printf("How much will you put aside every month? ");
scanf("%d", &monthly);
  
calculate(goal, current, monthly, &months);
  
printf("The number of months you'll need is: %d", months);
return 0;
}

Output:

Which amount are you trying to reach? 1000 How much money do you currently have? 100 How much will you put aside every month? 100 The number of months you'll need is: 9 ...Program finished with exit code 0 Press ENTER to exit console.

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