shaily

CONCEPTS USED: Recursion,Dynamic programming. DIFFICULTY LEVEL: Hard PROBLEM STATEMENT (SIMPLIFIED): You are given a string str, find the longest palindromic substring in str. Longest Palindromic Substring of string str:LPS[i...j], where...

Concepts Used Linked list,recursion. Difficulty Level Easy. Problem Statement : Given pointer to the head node of a linked list, the task is to reverse the linked list. See original...