Problem 751. Implement simple rotation cypher

Created by Doug Hull

Solve Later

If given a letter from the set:

[abc...xyz]

and a shift, implement a shift cypher.

Example:

'abc'

with a shift of -1 yields

'zab'

Solve

Solution Stats

2368 Solutions
806 Solvers

Last Solution submitted on Dec 12, 2019

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

nhagen on 19 Mar 2015

outStr=char(mod(inStr+shift-97,26)+97);

jo gayong on 5 Jul 2019

I find this problem challenging.

Solution Comments

Solution 1094337

1 Comment

1 Comment

TAYALAN SIVALINGAM on 29 Dec 2016

Solution 429933

1 Comment

1 Comment

Liang MA on 10 Apr 2014

Covered negative shift this time

Solution 424878

1 Comment

1 Comment

Anthony on 9 Apr 2014

very straight forward solution that passes test suite but does not handle example in description correctly.

Solution 342653

1 Comment

1 Comment

shen on 31 Oct 2013

hello, what if shift >= 52 or shift < 0?

Solution 228775

1 Comment

1 Comment

Daniel Pereira on 16 Apr 2013

Does this work for negative shifts?

Solution 135228

1 Comment

1 Comment

Nicholas Howe on 5 Oct 2012

This is a sneaky way to get around the prohibition against using eval!

Problem Recent Solvers806

Problem Tags

asee cipher cryptography encoding lookup table modular arithmetic substitution cipher

Problem 751. Implement simple rotation cypher

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers806

Suggested Problems

More from this Author52

Problem Tags

Problem 751. Implement simple rotation cypher

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers806

Suggested Problems

More from this Author52

Problem Tags

Players