Build a small library

Read first Task 30

Related functions belong together in one file.

Task

What belongs in a small library file?

The editor already contains a starting point. Change it until every check passes — the Next task button unlocks when it does.

What you start with

#include <iostream>
using namespace std;

int fee_for(int months, int monthly) {
    return months * monthly;
}

int discount(int fee, int percent) {
    return fee - (fee * percent) / 100;
}

int main() {
    int fee = fee_for(3, 9000);
    cout << discount(fee, 10) << endl;
    return 0;
}

C++ 1 automatic check Section 3 · Functions

Code editor Ctrl + Enter runs

#include <iostream>
using namespace std;

int fee_for(int months, int monthly) {
    return months * monthly;
}

int discount(int fee, int percent) {
    return fee - (fee * percent) / 100;
}

int main() {
    int fee = fee_for(3, 9000);
    cout << discount(fee, 10) << endl;
    return 0;
}

Run your code to see the output and the checks.

Your result

Submit your code to see results

Write your code in the middle column and press Run code.

Checks on this task:

Check 1

One correct answer:

Track progress

0 of 56 tasks complete

Next task unlocks when every check passes.

← Previous

Next task (pass every check first)

Build a small library

Build a small library

Task

Why this works