# Problems

1 – 30 of 30
 Problem Title Likes Solvers Difficulty

#### Problem 846. Calculate the Hamming distance between two strings

Created by: Matthew Eicholtz

3

307

#### Problem 130. Space Saver

Created by: AMITAVA BISWAS

5

464

#### Problem 371. Decimal Comparison

Created by: @bmtran (Bryant Tran)

1

218

#### Problem 639. String substitution, sub problem to cryptoMath

Created by: Doug Hull

Tags ml101

3

224

#### Problem 462. letter yes yes & letter no no

Created by: AMITAVA BISWAS

3

478

#### Problem 171. Reverse the Words (not letters) of a String

Created by: @bmtran (Bryant Tran)

Tags regexp

6

424

#### Problem 1036. Cell Counting: How Many Draws?

Created by: Ned Gulley

3

1535

#### Problem 649. Return the first and last characters of a character array

Created by: @bmtran (Bryant Tran)

33

8103

#### Problem 1080. Guess Cipher

Created by: Khaled Hamed

Tags string, cipher

5

380

#### Problem 853. Without the French accent please!

Created by: Jean-Marie Sainthillier

Tags french

1

209

#### Problem 269. Find Rotated Substring

Created by: Roy Mathew

Tags regexp, strings

3

219

#### Problem 568. Number of 1s in a binary string

Created by: Srivardhini

Tags binary, sum

54

7283

#### Problem 724. QWERTY Shift Code Decoder

Created by: Richard Zapor

Tags code, char, str2num

2

202

#### Problem 865. Add more zeros

Created by: Jean-Marie Sainthillier

Tags vector

2

299

Created by: Tim

1

239

#### Problem 565. Transposition as a CIPHER

Created by: Sourav Mondal

5

208

#### Problem 519. Pig Latin to English Translator

Created by: @bmtran (Bryant Tran)

1

150

#### Problem 394. Convert String to Morse Code

Created by: NeoGenesis

4

199

#### Problem 723. QWERTY Shift Encoder

Created by: Richard Zapor

Tags string, lexi, code

3

213

#### Problem 495. Formatting currency numbers

Created by: Ned Gulley

0

181

#### Problem 967. Split a string into chunks of specified length

Created by: Brandon Kuczenski

6

1386

#### Problem 466. Compress strings (not springs)

Created by: AMITAVA BISWAS

1

198

#### Problem 688. Convert a structure into a string

Created by: Aurelien Queffurust

Tags structure

3

193

#### Problem 541. Use of regexp

Created by: AMITAVA BISWAS

3

196

#### Problem 518. English to Pig Latin Translator

Created by: @bmtran (Bryant Tran)

1

144

#### Problem 489. Bang Bang in Bangalore

Created by: AMITAVA BISWAS

Tags find, string, match

1

154

#### Problem 362. Find matching string from a list of strings

Created by: Jiro Doke

Tags strings, find, match

3

241

#### Problem 831. Find mistyped words in text (mixed-up letters)

Created by: Matthew Eicholtz

4

156

#### Problem 111. Find matching parenthesis

Created by: Aleksey

14

283

#### Problem 848. Calculate a modified Levenshtein distance between two strings

Created by: Matthew Eicholtz

2

114

1 – 30 of 30