Problems

1 – 9 of 9

Problem Title Likes Solvers Difficulty

Problem 462. letter yes yes & letter no no

Created by: AMITAVA BISWAS

Tags string, letter, alphabet

478

Problem 724. QWERTY Shift Code Decoder

Created by: Richard Zapor

Tags code, char, str2num

202

Problem 44815. Word Distance - Sum

Created by: goc3

Tags distance, string, letter

153

Problem 723. QWERTY Shift Encoder

Created by: Richard Zapor

Tags string, lexi, code

213

Problem 1383. Count letters occurence in text, specific to words with a given length.

Created by: Cedric Wannaz

Tags regexp, letters, counts

134

Problem 50. QWERTY coordinates

Created by: Cody Team

Tags indexing

2009

Problem 27. Pangrams!

Created by: Cody Team

Tags strings

3499

Problem 185. Data decompression

Created by: Tomasz

Tags strings, prefix free codes, bit manipulation

Problem 70. Alphabetize by last name

Created by: Cody Team

Tags regexp, sorting

2024

1 – 9 of 9

Difficulty Rating

Problem Groups

Difficulty Rating

Problem Groups

Problems

Problem 462. letter yes yes & letter no no

Problem 724. QWERTY Shift Code Decoder

Problem 44815. Word Distance - Sum

Problem 723. QWERTY Shift Encoder

Problem 1383. Count letters occurence in text, specific to words with a given length.

Problem 50. QWERTY coordinates

Problem 27. Pangrams!

Problem 185. Data decompression

Problem 70. Alphabetize by last name