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Dsa Sheet

The document is a comprehensive list of data structure and algorithm problems categorized into various topics such as Arrays, Sliding Window, Two Pointers, Strings, Linked Lists, Stacks and Queues, Recursion and Backtracking, Dynamic Programming, Binary Trees, Graphs, Bit Manipulation, and Binary Search. Each category contains specific problems that are commonly encountered in coding interviews and competitive programming. This structured approach aids in systematic preparation for mastering data structures and algorithms.

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Firoz Shaik
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213 views7 pages

Dsa Sheet

The document is a comprehensive list of data structure and algorithm problems categorized into various topics such as Arrays, Sliding Window, Two Pointers, Strings, Linked Lists, Stacks and Queues, Recursion and Backtracking, Dynamic Programming, Binary Trees, Graphs, Bit Manipulation, and Binary Search. Each category contains specific problems that are commonly encountered in coding interviews and competitive programming. This structured approach aids in systematic preparation for mastering data structures and algorithms.

Uploaded by

Firoz Shaik
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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DSA SHEET

Array-

Number of Good Pairs

How Many Numbers Are Smaller Than the Current Number

Two Sum

Remove Duplicates from Sorted Array

Missing Number

Majority Element

Sort Colors

Maximum Subarray

Set Matrix Zeroes

Container With Most Water


Search a 2D Matrix
Reverse Pairs

SLIDING WINDOW

Minimum Size Subarray Sum


Max Consecutive Ones III
Minimum Operations to Reduce X to Zero
Minimum Window Substring
Frequency of the Most Frequent Element

TWO POINTERS
Sum of Square Numbers

Number of Subsequences That Satisfy the Given Sum Condition


Minimize Maximum Pair Sum in Array
Trapping Rain Water

STRINGS
Valid Anagram

Isomorphic Strings

Longest Common Prefix

Reverse Words in a String


Group Anagrams
Sum of Beauty of All Substrings
Longest Substring Without Repeating Characters

Longest Palindromic Substring

String to Integer (atoi)


Minimum Window Substring

LINKED LIST

Palindrome Linked List


Intersection of Two Linked Lists

LRU Cache

Add Two Numbers


Rotate List
Reorder List
Linked List Cycle II
Rearrange a Linked List in Zig-Zag fashion
Flattening a Linked List
Reverse Nodes in k-Group

STACK AND QUEUE

Implement Stack using Queues

Next Greater Element I

Valid Parentheses
Next Greater Element II

Asteroid Collision
Remove K Digits

Sliding Window Maximum

Recursion and BackTracking

Fibonacci Number
Pow(x, n)
Power of Three

Combination Sum

Subsets

Coin Change

Elimination Game
Rat in a Maze Problem - I
Word Break

N-Queens

Sudoku Solver
tug-of-war

DYANMIC PROGRAMMING

Fibonacci Number

Climbing Stairs
Counting Bits

Cherry Pickup II
Count of subsets with sum equal to X
Longest Common Subsequence
Longest Palindromic Subsequence
Minimum number of deletions and insertions

Best Time to Buy and Sell Stock II


Burst Balloons

BINARY TREE & BINARY SEARCH TREE

Binary Tree Preorder Traversal

Binary Tree Inorder Traversal


Binary Tree Level Order Traversal
Vertical Order Traversal of a Binary Tree
Top View of Binary Tree

Binary Tree Right Side View

Left View of Binary Tree


Bottom View of Binary Tree
Burning Tree
Kth Smallest Element in a BST
Largest BST in a Binary Tree

Binary Tree Maximum Path Sum

Serialize and Deserialize Binary Tree

Lowest Common Ancestor of a Binary Search Tree

Two Sum IV - Input is a BST


Replace every element with the least greater element on its right

GRAPH

DFS of Graph

BFS of graph

Number of Triangles

Rotting Oranges
Course Schedule

Course Schedule II

Word Ladder

Word Ladder II
Alien Dictionary

Cheapest Flights Within K Stops

Find the City With the Smallest Number of Neighbors at a Threshold Distance

Accounts Merge

BIT MANIPULATION
Count set bits in an integer
Power of Two
Single Number

Find position of the only set bit


Count number of bits to be flipped to convert A to B
Find XOR of numbers from L to R.
Calculate square of a number without using *, / and pow()
Divide two integers without using multiplication, division and mod operator

Subsets
Count Primes

BINARY SEARCH

Binary Search
Search Insert Position
Sqrt(x) USING BS

Search in Rotated Sorted Array


Find First and Last Position of Element in Sorted Array
Find Minimum in Rotated Sorted Array
Find Peak Element
Search a 2D Matrix

Find a Peak Element II

Capacity To Ship Packages Within D Days

Painter's Partition Problem

Minimize Max Distance to Gas Station


Allocate Books
Aggressive Cows

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