Palindrome Linked List Leetcode Solution

In the problem “Palindrome Linked List”, we have to check whether a given singly integer linked list is a palindrome or not. Example   List = {1 -> 2 -> 3 -> 2 -> 1} true Explanation #1: The list is palindrome as all elements from the start and back are …

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Merge Overlapping Intervals

In merge overlapping intervals problem we have given a collection of intervals, merge and return all overlapping intervals. Example   Input : [[2, 3], [3, 4], [5, 7]] Output: [[2, 4], [5, 7]] Explanation: We can merge [2, 3] and [3, 4] together to form [2, 4] Please click Like if …

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Merging Intervals

In merging intervals problem we have given a set of intervals of the form [l, r], merge the overlapping intervals. Examples   Input {[1, 3], [2, 6], [8, 10], [15, 18]} Output {[1, 6], [8, 10], [15, 18]} Input {[1, 4], [1, 5]} Output {[1, 5]} Naive Approach for merging intervals   …

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Merge Overlapping Intervals II

Problem Statement   In the “Merge Overlapping Intervals II” problem we have given a set of intervals. Write a program that will merge the overlapping intervals into one and print all the non-overlapping intervals. Input Format   The first line containing an integer n. Second-line containing n pairs where each pair is …

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Check if a Linked list of Strings form a Palindrome

Problem Statement   In the “Check if a Linked list of Strings form a Palindrome” problem we have given a linked list handling string data. Write a program to check whether the data forms a palindrom or not. Example   ba->c->d->ca->b 1 Explanation: In the above example we can see that the …

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