$\frac{?}{?}***$

Complete the 'missedLectures' function below.

$***$

The function is expected to return an INTEGER.

$***$ The function accepts following parameters:

$***1.$ INTEgER numChapters

$***2.$ INTEGER b

$***3.$ INTEGER e

$**\frac{*}{?}$

int missedLectures$($int numChapters, int b$,$ int e$)\{$

$\}$

$>$ int main$()...$