Weekly Programmer - Week 4

From Weekly Programmer Challenges

Description

Write a program that outputs the first recurring character in a string.

Formal Inputs & Outputs

Input Description

A string of alphabetical characters. Example:

ABCDEBC

Output description

The first recurring character from the input. From the above example:

B

Alternatively provide additional info in the output, such as this example that providdes the solution to the basic problem and the bonus as well.

PXLJOUDJVZGQHLBHGXIW => `J`@3 (`X`[16])

This shows the first repeatching character is J at index 3 (zero based because that’s the only correct way) and the character with the longest recurrence is X with a gap of 16 characters

Challenge Inputs

the quick brown fox jumps over the lazy dog
IKEUNFUVFV
PXLJOUDJVZGQHLBHGXIW
*l1J?)yn%R[}9~1"=k7]9;0[$
156248267293222
0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz

Bonus Problem

Instead of outputting the first recurring character output the character with the largest gap between an occurrence and next occurrence.

Challenge Solutions

• In Javascript
  • By Perverted_Vixen