i compiled a code for a class i am in and it worked but my professer said it was

Question

i compiled a code for a class i am in and it worked but my professer said it was not correct although everyone I shared it with did not see a problem with it but here I am back for more help. I was told to move the defninition before int main instead of where it was before. And once I did that I am getting th following error message.

1) The function definition should be located after main. You have it before main where the prototype is needed.

2) I was told that my function has a double argument, but in my call I pass it 2 which is an integer. Need to pass it a double value

3) I also need to modify this code to prompt for and input the values I am passing to the function.

I have been trying to search the web for answer to these and none of them makes any sense to me since it is all explain in programmers language.

Explanation / Answer

#include<stdio.h>

double circleArea(double num);

int main(void){

double result;

printf("Enter the radius: ");

scanf("%lf", &radius);

result = circleArea(radius);

printf("Circle Area %lf ", result);

return 0;

}

double circleArea(double num){

double result;

result = 3.14 * num * num;

return result;

}

**Comment for any further queries.

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