Form a palindrome

Given a string, find the minimum number of characters to be inserted to convert it to palindrome.

For Example:

• ab: Number of insertions required is 1. bab or aba
• aa: Number of insertions required is 0. aa
• abcd: Number of insertions required is 3. dcbabcd

Find All Four Sum Numbers

Given an array of integers and another number. Find all the unique quadruple from the given array that sums up to the given number.

Kadane’s Algorithm

Single Cycle Search

Breadth First Search

Youngest Common Ancestor

Remove Islands

Cycle In Graph

Minimum Passes Of Matrix

Task Asssignment