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LeetCode #31 - Next Permutation

Hello fellow devs 👋! It’s been a long time since I wrote a post on LeetCode problems. But no worries, today will discuss the next problem. Next Permutation Problem Statement Implement next permutatio…

Asymptotic Notations

Heya fellow devs 👋! Welcome to the another post on analysis of algorithms. In the last post, we discussed how we can analyze the time and space used by a program. In this post, we will dig deeper int…

LeetCode #30 - Substring With Concatenation Of All Words

Hello fellow devs 👋! Today we will discuss a hard problem which is very popular problems in coding interviews. Substring With Concatenation Of All Words Problem Statement You are given a string and …

LeetCode #29 - Divide Two Integers

Hello fellow devs 👋! It’s a new day, and we have a new LeetCode problem in front of us. Divide Two Integers Problem Statement Given two integers and , divide two integers without using multiplicatio…

LeetCode #28 - Implement StrStr

Hello fellow devs 👋! We have a new LeetCode problem today involving string. Implement StrStr Problem Statement Return the index of the first occurrence of in , or -1 if is not part of . Clarificati…

LeetCode #27 - Remove Element

Hello fellow devs 👋! Today we will be looking into a fairly simple LeetCode problem. Remove Element Problem Statement Given an array and a value , remove all instances of that value in-place and ret…

LeetCode #26 - Remove Duplicates In Sorted Array

Hello happy people 👋! Let’s look at another LeetCode problem today. Remove Duplicates From Sorted Array Problem Statement Given a sorted array , remove the duplicates in-place such that each element …

LeetCode #25 - Reverse Nodes In K Group

Hello LeetCode enthusiasts 👋! Today’s problem is an extension of the previous problem. Reverse Nodes In K Group Problem Statement Given a linked list, reverse the nodes of a linked list at a time an…

LeetCode #24 - Swap Nodes In Pairs

Hello fellow devs 👋! In this post, we will discuss another linked list problem. Swap Nodes In Pairs Problem Statement Given a linked list, swap every two adjacent nodes and return its head. You may n…

LeetCode #23 - Merge K Sorted Lists

Hello fellow devs 👋! Today we are going to look at a LeetCode problem whose simpler version we have seen earlier. Merge K Sorted Lists We have dealt with a more specific case of this problem in the …