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
2798. Number of Employees Who Met the Target	Solve	Easy	Adobe+1	Array
2803. Factorial Generator	Solve	Easy	-
2804. Array Prototype ForEach	Solve	Easy	-
2806. Account Balance After Rounded Purchase	Solve	Easy	-	Math
2810. Faulty Keyboard	Solve	Easy	Samsung	Simulation String
2815. Max Pair Sum in an Array	Solve	Easy	Microsoft	Array Hash Table
2822. Inversion of Object	Solve	Easy	-
2824. Count Pairs Whose Sum is Less than Target	Solve	Easy	Amazon+1	Array Binary Search+2
2828. Check if a String Is an Acronym of Words	Solve	Easy	Uber	Array String
2833. Furthest Point From Origin	Solve	Easy	Amazon+1	Counting String
2837. Total Traveled Distance	Solve	Easy	-	Database
2839. Check if Strings Can be Made Equal With Operations I	Solve	Easy	Citrix	String
2843. Count Symmetric Integers	Solve	Easy	Amazon	Enumeration Math
2848. Points That Intersect With Cars	Solve	Easy	Uber	Array Hash Table+1
2853. Highest Salaries Difference	Solve	Easy	-	Database
2855. Minimum Right Shifts to Sort the Array	Solve	Easy	Accenture+1	Array
2859. Sum of Values at Indices With K Set Bits	Solve	Easy	Accenture+1	Array Bit Manipulation
2864. Maximum Odd Binary Number	Solve	Easy	-	Greedy Math+1
2869. Minimum Operations to Collect Elements	Solve	Easy	Deutsche Bank	Array Bit Manipulation+1
2873. Maximum Value of an Ordered Triplet I	Solve	Easy	Media.Net	Array
2877. Create a DataFrame from List	Solve	Easy	-
2878. Get the Size of a DataFrame	Solve	Easy	-
2879. Display the First Three Rows	Solve	Easy	-
2880. Select Data	Solve	Easy	-
2881. Create a New Column	Solve	Easy	-
2882. Drop Duplicate Rows	Solve	Easy	-
2883. Drop Missing Data	Solve	Easy	-
2884. Modify Columns	Solve	Easy	-
2885. Rename Columns	Solve	Easy	-
2886. Change Data Type	Solve	Easy	-
2887. Fill Missing Data	Solve	Easy	-
2888. Reshape Data: Concatenate	Solve	Easy	-
2889. Reshape Data: Pivot	Solve	Easy	-
2890. Reshape Data: Melt	Solve	Easy	-
2891. Method Chaining	Solve	Easy	-
2894. Divisible and Non-divisible Sums Difference	Solve	Easy	-	Math
2899. Last Visited Integers	Solve	Easy	-	Array Simulation
2900. Longest Unequal Adjacent Groups Subsequence I	Solve	Easy	Fourkites	Array Dynamic Programming+2
2903. Find Indices With Index and Value Difference I	Solve	Easy	PayTM	Array Two Pointers
2908. Minimum Sum of Mountain Triplets I	Solve	Easy	ION	Array
2913. Subarrays Distinct Element Sum of Squares I	Solve	Easy	-	Array Hash Table
2917. Find the K-or of an Array	Solve	Easy	Amazon	Array Bit Manipulation
2923. Find Champion I	Solve	Easy	Google	Array Matrix
2928. Distribute Candies Among Children I	Solve	Easy	Amazon+1	Combinatorics Enumeration+1
2932. Maximum Strong Pair XOR I	Solve	Easy	Amazon+1	Array Bit Manipulation+3
2937. Make Three Strings Equal	Solve	Easy	Amazon	String
2942. Find Words Containing Character	Solve	Easy	Amazon+1	Array String
2946. Matrix Similarity After Cyclic Shifts	Solve	Easy	Salesforce	Array Math+2
2951. Find the Peaks	Solve	Easy	Accelya	Array Enumeration
2956. Find Common Elements Between Two Arrays	Solve	Easy	Facebook	Array Hash Table