- Print all substrings of a given string
- Longest substring with at most two unique characters
- Generate all the strings of length n from 0 to k-1.
- Valid Multiple Parentheses
- String to Integer (AtoI - ASCII to Integer) - Recursive Solution
- String to Integer (AtoI - ASCII to Integer)
- Longest substring with at most K unique characters
- Find Largest and Smallest word in a given String
- Dynamic programming – Printer Problem
- Print maximum occurring character in a String
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- Calculate (x^y)%z without using pow() function
- Check if one string is a subsequence of another string.
- Most frequent word
- Efficient Robot Problem – Find Minimum Trips
- Job Sequencing algorithm – Java
- Find subarray with a sum to given number-2 | Handle negative numbers
- Sort the two dimensional (2D) array – In-place
- Implement/Design the version control map system
- Given an array, count the number of pairs with a given sum.
- Sort Map as per values – Java Program