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DSA Corner

Dashboard Questions Topics Companies Sheets

Data Structures & Algorithms

Practice 3,374+ coding problems from top companies. Master DSA concepts and ace your interviews.

3,374

Problems

840

Easy

1762

Medium

772

Hard

Difficulty

All3374 Easy840 Medium1762 Hard772

Status	Title	Video	Leetcode	Solve	Difficulty	Companies	Topics
	3351. Sum of Good Subsequences			Solve	Hard	-	Array Dynamic Programming+1
	3352. Count K-Reducible Numbers Less Than N			Solve	Hard	-	Combinatorics Dynamic Programming+2
	3353. Minimum Total Operations			Solve	Easy	-	Array
	3354. Make Array Elements Equal to Zero			Solve	Easy	-	Array Prefix Sum+1
	3355. Zero Array Transformation I			Solve	Medium	-	Array Prefix Sum
	3356. Zero Array Transformation II			Solve	Medium	-	Array Binary Search+1
	3357. Minimize the Maximum Adjacent Element Difference			Solve	Hard	-	Array Binary Search+1
	3358. Books with NULL Ratings			Solve	Easy	-	Database
	3359. Find Sorted Submatrices With Maximum Element at Most K			Solve	Hard	-
	3360. Stone Removal Game			Solve	Easy	-
	3361. Shift Distance Between Two Strings			Solve	Medium	-
	3362. Zero Array Transformation III			Solve	Medium	-
	3363. Find the Maximum Number of Fruits Collected			Solve	Hard	-
	3364. Minimum Positive Sum Subarray			Solve	Easy	-
	3365. Rearrange K Substrings to Form Target String			Solve	Medium	-
	3366. Minimum Array Sum			Solve	Medium	-
	3367. Maximize Sum of Weights after Edge Removals			Solve	Hard	-
	3368. First Letter Capitalization			Solve	Hard	-
	3369. Design an Array Statistics Tracker			Solve	Hard	-	Binary Search Hash Table+1
	3370. Smallest Number With All Set Bits			Solve	Easy	-
	3371. Identify the Largest Outlier in an Array			Solve	Medium	-
	3372. Maximize the Number of Target Nodes After Connecting Trees I			Solve	Medium	-
	3373. Maximize the Number of Target Nodes After Connecting Trees II			Solve	Hard	-
	3374. First Letter Capitalization II			Solve	Hard	-

Sum of Good Subsequences

Hard📹 Video

Array Dynamic Programming Hash Table

Count K-Reducible Numbers Less Than N

Hard📹 Video

Combinatorics Dynamic Programming Math+1

Minimum Total Operations

Easy📹 Video

Make Array Elements Equal to Zero

Easy📹 Video

Array Prefix Sum Simulation

Zero Array Transformation I

Medium📹 Video

Array Prefix Sum

Zero Array Transformation II

Medium📹 Video

Array Binary Search Prefix Sum

Minimize the Maximum Adjacent Element Difference

Hard📹 Video

Array Binary Search Greedy

Books with NULL Ratings

Easy📹 Video

Find Sorted Submatrices With Maximum Element at Most K

Hard📹 Video

Stone Removal Game

Easy📹 Video

Shift Distance Between Two Strings

Medium📹 Video

Zero Array Transformation III

Medium📹 Video

Find the Maximum Number of Fruits Collected

Hard📹 Video

Minimum Positive Sum Subarray

Easy📹 Video

Rearrange K Substrings to Form Target String

Medium📹 Video

Minimum Array Sum

Medium📹 Video

Maximize Sum of Weights after Edge Removals

Hard📹 Video

First Letter Capitalization

Hard📹 Video

Design an Array Statistics Tracker

Hard📹 Video

Binary Search Hash Table Queue

Smallest Number With All Set Bits

Easy📹 Video

Identify the Largest Outlier in an Array

Medium📹 Video

Maximize the Number of Target Nodes After Connecting Trees I

Medium📹 Video

Maximize the Number of Target Nodes After Connecting Trees II

Hard📹 Video

First Letter Capitalization II

Hard📹 Video