The String ZigZag Conversion Algorithms
The string “PAYPALISHIRING” is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for …
Category: string
How to Check If Word Is Valid After Substitutions using Stack or Recursion?
We are given that the string “abc” is valid. From any valid string V, we may split V into two pieces X and Y such that X + Y …
Bash Function to Check Palindrome Strings
Bash Programming is Powerful and of course it is fun as well. Today, we are going to do a simple exercise in BASH programming: checking a string if it …
Algorithm to Find Duplicate Files in System using Hash Map
Given a list of directory info including directory path, and all the files with contents in this directory, you need to find out all the groups of duplicate files …
C++ Coding Reference: next_permutation() and prev_permutation()
C++ algorithm header provides you access to next_permutation() and prev_permutation() which can be used to obtain the next or previous lexicographically order. With an array or vector or string …