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

Title	Solve	Difficulty	Companies	Topics
2801. Count Stepping Numbers in Range	Solve	Hard	Amazon	Dynamic Programming String
2802. Find The K-th Lucky Number	Solve	Medium	-	Bit Manipulation Math+1
2803. Factorial Generator	Solve	Easy	-
2804. Array Prototype ForEach	Solve	Easy	-
2805. Custom Interval	Solve	Medium	-
2806. Account Balance After Rounded Purchase	Solve	Easy	-	Math
2807. Insert Greatest Common Divisors in Linked List	Solve	Medium	-	Linked List Math+1
2808. Minimum Seconds to Equalize a Circular Array	Solve	Medium	-	Array Hash Table
2809. Minimum Time to Make Array Sum At Most x	Solve	Hard	Jane Street	Array Dynamic Programming+1
2810. Faulty Keyboard	Solve	Easy	Samsung	Simulation String
2811. Check if it is Possible to Split Array	Solve	Medium	MoneyLion	Array Dynamic Programming+1
2812. Find the Safest Path in a Grid	Solve	Medium	Google+1	Array Binary Search+3
2813. Maximum Elegance of a K-Length Subsequence	Solve	Hard	-	Array Greedy+4
2814. Minimum Time Takes to Reach Destination Without Drowning	Solve	Hard	-	Array Breadth-First Search+1
2815. Max Pair Sum in an Array	Solve	Easy	Microsoft	Array Hash Table
2816. Double a Number Represented as a Linked List	Solve	Medium	Amazon+1	Linked List Math+1
2817. Minimum Absolute Difference Between Elements With Constraint	Solve	Medium	Databricks+1	Array Binary Search+1
2818. Apply Operations to Maximize Score	Solve	Hard	-	Array Greedy+4
2819. Minimum Relative Loss After Buying Chocolates	Solve	Hard	-	Array Binary Search+2
2820. Election Results	Solve	Medium	-
2821. Delay the Resolution of Each Promise	Solve	Medium	-
2822. Inversion of Object	Solve	Easy	-
2823. Deep Object Filter	Solve	Medium	-
2824. Count Pairs Whose Sum is Less than Target	Solve	Easy	Amazon+1	Array Binary Search+2
2825. Make String a Subsequence Using Cyclic Increments	Solve	Medium	Amazon	String Two Pointers
2826. Sorting Three Groups	Solve	Medium	UiPath	Array Binary Search+1
2827. Number of Beautiful Integers in the Range	Solve	Hard	Apple+1	Dynamic Programming Math
2828. Check if a String Is an Acronym of Words	Solve	Easy	Uber	Array String
2829. Determine the Minimum Sum of a k-avoiding Array	Solve	Medium	Infosys	Greedy Math
2830. Maximize the Profit as the Salesman	Solve	Medium	Amazon	Array Binary Search+3
2831. Find the Longest Equal Subarray	Solve	Medium	Meesho+1	Array Binary Search+2
2832. Maximal Range That Each Element Is Maximum in It	Solve	Medium	Amazon	Array Monotonic Stack+1
2833. Furthest Point From Origin	Solve	Easy	Amazon+1	Counting String
2834. Find the Minimum Possible Sum of a Beautiful Array	Solve	Medium	Infosys	Greedy Math
2835. Minimum Operations to Form Subsequence With Target Sum	Solve	Hard	Amazon+1	Array Bit Manipulation+1
2836. Maximize Value of Function in a Ball Passing Game	Solve	Hard	Oracle	Array Bit Manipulation+1
2837. Total Traveled Distance	Solve	Easy	-	Database
2838. Maximum Coins Heroes Can Collect	Solve	Medium	Deutsche Bank	Array Binary Search+3
2839. Check if Strings Can be Made Equal With Operations I	Solve	Easy	Citrix	String
2840. Check if Strings Can be Made Equal With Operations II	Solve	Medium	Citrix	Hash Table Sorting+1
2841. Maximum Sum of Almost Unique Subarray	Solve	Medium	Amazon	Array Hash Table+1
2842. Count K-Subsequences of a String With Maximum Beauty	Solve	Hard	Google	Combinatorics Greedy+3
2843. Count Symmetric Integers	Solve	Easy	Amazon	Enumeration Math
2844. Minimum Operations to Make a Special Number	Solve	Medium	-	Enumeration Greedy+2
2845. Count of Interesting Subarrays	Solve	Medium	-	Array Hash Table+1
2846. Minimum Edge Weight Equilibrium Queries in a Tree	Solve	Hard	Sprinklr	Array Graph+2
2847. Smallest Number With Given Digit Product	Solve	Medium	Microsoft	Greedy Math
2848. Points That Intersect With Cars	Solve	Easy	Uber	Array Hash Table+1
2849. Determine if a Cell Is Reachable at a Given Time	Solve	Medium	Google	Math
2850. Minimum Moves to Spread Stones Over Grid	Solve	Medium	Microsoft	Array Breadth-First Search+2