Techie Delight Coding made easy Given an array and a positive number k, check whether the array contains any duplicate elements within range k. If k is more than size of the array, the solution Read more…
Techie Delight Coding made easy Longest Alternating Subarray is a problem of finding a subarray with alternating positive and negative elements, and in which the subarray is as long as possible. The problem differs from Read more…
Techie Delight Coding made easy Given a string, find minimum number of deletions required to convert it into a palindrome. For example, consider the string ACBCDBAA. The minimum number of deletions required are 3. A C B Read more…
Techie Delight Coding made easy Write an efficient algorithm to reverse the specified portion of a given linked list. Input: Linked List: 1 -> 2 -> 3 -> 4 -> 5 -> 6 -> 7 Read more…