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Below problems are chosen on **basis of concepts involved** in solving them, that will accelerate your thought process and help you further to solve several similar problems asked in a coding interview. There might be multiple approaches discussed to solve few problems. We recommend to go through each one of them.

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**Array:**

Find pair with given sum in the array

Maximum subarray problem (Kadane’s algorithm)

Longest Increasing Subsequence

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**Backtracking:**

Find Longest Possible Route in a Matrix

Find all Permutations of a given string

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**Trees:**

Find next node in same level for given node in a binary tree

Print left view of binary tree

Find diameter of a binary tree

In-place convert convert given Binary Tree to Doubly Linked List

Find ancestors of given node in a Binary Tree

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**Divide & Conquer:**

Find first or last occurrence of a given number in a sorted array

Maximum Sum Subarray using Divide & Conquer

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**Dynamic Programming:**

Longest Common Subsequence | Introduction & LCS Length

Longest Palindromic Substring (Non-DP Space Optimized Solution)

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**BFS/DFS:**

Breadth First Search (BFS) | Iterative & Recursive Implementation

Minimum number of throws required to win Snake and Ladder game

Depth First Search (DFS) | Iterative & Recursive Implementation

Find Shortest path from source to destination in a matrix that satisfies given constraints

Find all occurrences of given string in a character matrix

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**Matrix:**

Find all paths from first cell to last cell of a matrix

Find maximum sum submatrix present in a given matrix

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**Heap:**

Merge M sorted lists each containing N elements

Find K’th largest element in an array

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**Linked List:**

Merge given sorted linked lists into one

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## Leave a Reply

kudos. Awesome list.