C++ Taskbook Level 1.2

Explain the difference between the type int and the type unsigned int.

Given an integer, print the last digit of this number to the console.

Given an integer, print the first digit of this number to the console.

Given an integer, output to the console the sum of the first and last digits of this number.

Given an integer, output the number of digits in this number.

Given an integer, check whether it is even or not.

Given two strings, check that the first characters of these strings match.

Given a number:

Check that this is a two-digit number.