Strings

In this section we will see basics of String and practice problems including Pangram, Rearrangement, Duck Number, Subsequence, Substring, Reverse, Rotation, Sorting & Searching etc. etc.
Check if two strings are equal or not after processing backspace

Posted on Mar 31, 2024

Check whether the given string is a palindrome

Posted on Mar 31, 2024

Find all substrings of a string in "O (n^2)" time

Posted on Mar 31, 2024

Print all subsequences of a string

Posted on Mar 31, 2024

Power Set: Print all non-empty subsequences of a string

Posted on Mar 31, 2024

Print all permutations of a given string

Posted on Mar 31, 2024

Swap all occurrences of two characters to get lexicographically smallest string

Posted on Mar 31, 2024

Longest Common Prefix in an Array of Strings

Posted on Mar 31, 2024

Reverse words in a given string

Posted on Mar 31, 2024

Transform One String to Another with a Minimum Number of Operations

Posted on Mar 31, 2024