Problems

1 – 21 of 21

Problem Title Likes Solvers Difficulty

Problem 1712. NO _________ ALLOWED....

Created by: Chris E.

Tags regexp, string, fun

140

Problem 1579. How many digits are there?

Created by: Marek Kuklis

Tags matlab

142

Problem 2081. Concatenate strings

Created by: Marcel

Tags basic, easy, matlab

123

Problem 1682. Make a list string

Created by: Chris

Tags string, list

Problem 1466. Convert Two Character String into a Binary Vector

Created by: Richard Zapor

Tags string, vectorization, ==

116

Problem 1218. Join Strings with Multiple Different Delimiters

Created by: Aurelien Queffurust

Tags strcat

Problem 2139. most frequent character

Created by: Koteswar Rao Jerripothula

Tags strings

102

Problem 2140. Alternately upper-lower case

Created by: Koteswar Rao Jerripothula

Tags strings

111

Problem 1303. Is the paranthesis sequence balanced ?

Created by: Muthu Annamalai

Tags stack paranthesis balanced

102

Problem 2073. Split a given string from the first instance of a given character

Created by: Mehmet E. Yavuz

Tags string manipulation, split

Problem 1641. ABBREVIATION

Created by: Suman Saha

Tags strings

Problem 1953. Simple Caesar Cypher - shift encrypt a message given an index number

Created by: Tyler

Tags cryptography

Problem 1576. Mean and standard deviation of times in string

Created by: Marek Kuklis

Tags matlab

Problem 1201. Simple Decoder Ring

Created by: Peter Wittenberg

Tags string manipulation

Problem 1500. Kryptos - CIA Cypher Sculpture: Vignere Decryption

Created by: Richard Zapor

Tags encrypt, vigenere, cia

Problem 1721. Backslang, odds are you used it at some point in time...

Created by: Chris E.

Tags string manipulation, code, fun

Problem 1696. Morse Code Generator! Try it!

Created by: Chris E.

Tags sequences, fun, morse code

Problem 920. Eliminate Polysyllabics: Long live short words!

Created by: Ned Gulley

Tags regexp

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

Created by: Cedric Wannaz

Tags regexp, letters, counts

Problem 1499. Kryptos - CIA Cypher Sculpture: Vigenere Encryption

Created by: Richard Zapor

Tags code, encryption, encrypt

Problem 1686. Generate a melodic contour string matrix

Created by: Ned Gulley

Tags strings, music

1 – 21 of 21

Trial software

Difficulty Rating

Problem Groups

Problems

Problem 1712. NO _________ ALLOWED....

Problem 1579. How many digits are there?

Problem 2081. Concatenate strings

Problem 1682. Make a list string

Problem 1466. Convert Two Character String into a Binary Vector

Problem 1218. Join Strings with Multiple Different Delimiters

Problem 2139. most frequent character

Problem 2140. Alternately upper-lower case

Problem 1303. Is the paranthesis sequence balanced ?

Problem 2073. Split a given string from the first instance of a given character

Problem 1641. ABBREVIATION

Problem 1953. Simple Caesar Cypher - shift encrypt a message given an index number

Problem 1576. Mean and standard deviation of times in string

Problem 1201. Simple Decoder Ring

Problem 1500. Kryptos - CIA Cypher Sculpture: Vignere Decryption

Problem 1721. Backslang, odds are you used it at some point in time...

Problem 1696. Morse Code Generator! Try it!

Problem 920. Eliminate Polysyllabics: Long live short words!

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

Problem 1499. Kryptos - CIA Cypher Sculpture: Vigenere Encryption

Problem 1686. Generate a melodic contour string matrix