Time Conversion - HackerRank

Description

Given a time in 12-hour AM/PM format, convert it to military (24-hour) time.

Note:

• 12:00:00AM on a 12-hour clock is 00:00:00 on a 24-hour clock.
• 12:00:00PM on a 12-hour clock is 12:00:00 on a 24-hour clock.

Returns

string: the time in 24-hour format

Input Format

A single string that represents a time in 12-hour clock format (i.e.: hh:mm:ssAM or hh:mm:ssPM).