Online course
Online course
1) Write a function called area which returns the area of a square with side l.
2) Write a function called square_area which displays the area calculated by the previous function.
#include <iostream>
using namespace std;
int area(int l)
{
return l*l;
}
void square_area(int l)
{
cout<<area(l);
}
int main() {
int l;
cin>>l;
square_area(l);
}