# Problems

1 – 29 of 29
 Problem Title Likes Solvers Difficulty

#### Problem 130. Space Saver

Created by: AMITAVA BISWAS

5

445

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

Created by: Matthew Eicholtz

2

289

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

Created by: AMITAVA BISWAS

3

458

#### Problem 371. Decimal Comparison

Created by: @bmtran (Bryant Tran)

1

199

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

Created by: @bmtran (Bryant Tran)

30

6828

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

Created by: Doug Hull

Tags ml101

3

213

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

Created by: Ned Gulley

3

1255

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

Created by: @bmtran (Bryant Tran)

Tags regexp

6

402

#### Problem 1080. Guess Cipher

Created by: Khaled Hamed

Tags string, cipher

5

340

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

Created by: Jean-Marie Sainthillier

Tags french

1

198

#### Problem 269. Find Rotated Substring

Created by: Roy Mathew

Tags regexp, strings

3

205

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

Created by: Srivardhini

Tags binary, sum

52

6031

#### Problem 724. QWERTY Shift Code Decoder

Created by: Richard Zapor

Tags code, char, str2num

2

193

#### Problem 865. Add more zeros

Created by: Jean-Marie Sainthillier

Tags vector

2

274

Created by: Tim

1

228

#### Problem 565. Transposition as a CIPHER

Created by: Sourav Mondal

4

196

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

Created by: Brandon Kuczenski

6

1125

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

Created by: NeoGenesis

4

190

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

Created by: @bmtran (Bryant Tran)

1

143

#### Problem 495. Formatting currency numbers

Created by: Ned Gulley

0

167

#### Problem 723. QWERTY Shift Encoder

Created by: Richard Zapor

Tags string, lexi, code

3

198

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

Created by: @bmtran (Bryant Tran)

1

137

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

Created by: AMITAVA BISWAS

1

190

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

Created by: Aurelien Queffurust

Tags structure

3

183

#### Problem 541. Use of regexp

Created by: AMITAVA BISWAS

3

186

#### Problem 489. Bang Bang in Bangalore

Created by: AMITAVA BISWAS

Tags find, string, match

1

145

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

Created by: Matthew Eicholtz

4

147

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

Created by: Jiro Doke

Tags strings, find, match

3

227

#### Problem 111. Find matching parenthesis

Created by: Aleksey

14

266

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