Online course

SCRATCH

PYTHON

C++

Introduction

Datatypes

Variables

Operators

Assignment

Input/output

If condition

Arrays

Functions

For loop unplugged

For loop

While loop unplugged

While loop

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);

}

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