Practice Coding with the exercise "The Fastest"

Statement

The program:

Your program must judge results of marathon runners and choose the best one.

The result of each runner is represented as HH:MM:SS, where HH is hours, MM is minutes and SS is seconds.

You are given N results and the smallest time is the best.

INPUT:

Line 1: a integer number N.
Next N lines: 8 characters, a time result.

OUTPUT:

The best result.

CONSTRAINTS:

0 < N ≤ 10
0 ≤ hours < 24
0 ≤ minutes < 60
0 ≤ seconds < 60

EXAMPLE:

Input
4
10:15:46
03:59:08
04:00:08
03:59:09

Output
03:59:08

Solve it

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