Hash Table Coding Practice Problems - Page 17 | TutorialsPoint

Tutorials Videos

Master DSA Topics - January, 2026

Practice problems across 75+ categories

Array

String

Hash Table

Dynamic Programming

Sorting

Greedy

Depth-First Search

See All Topics

73 Categories

Hash Table Coding Problems

Practice problems frequently asked at Hash Table • 719 problems | 168 Easy | 418 Medium | 127 Hard

#	Problem	Difficulty	Topics
241	Find Smallest Common Element in All Rows	Medium	ArrayHash TableBinary Search
242	Find Subarrays With Equal Sum	Easy	ArrayHash Table
243	Find Subsequence of Length K With the Largest Sum	Easy	ArrayHash TableSorting
244	Find Subtree Sizes After Changes	Medium	ArrayHash TableString
245	Find the Count of Good Integers	Hard	Hash TableMathCombinatorics
246	Find the Difference	Easy	Hash TableStringBit Manipulation
247	Find the Difference of Two Arrays	Easy	ArrayHash Table
248	Find the Distinct Difference Array	Easy	ArrayHash Table
249	Find the Largest Almost Missing Integer	Easy	ArrayHash Table
250	Find the Length of the Longest Common Prefix	Medium	ArrayHash TableString
251	Find the Longest Equal Subarray	Medium	ArrayHash TableBinary Search
252	Find the Longest Substring Containing Vowels in Even Counts	Medium	Hash TableStringBit Manipulation
253	Find the Losers of the Circular Game	Easy	ArrayHash TableSimulation
254	Find the Maximum Length of a Good Subsequence I	Medium	ArrayHash TableDynamic Programming
255	Find the Maximum Length of a Good Subsequence II	Hard	ArrayHash TableDynamic Programming

Showing 241-255 of 719

1 ... 15 16 17 18 19 ... 48

Tutorials Library

Master any technology with our largest free online Library. Browse through 500+ tutorials across 10+ categories.

Programming Languages 20 Latest Technologies 12 Machine Learning 18 Computer Science 15 Web Development 25 Mobile Development 10 Databases 14

Python

Python Tutorial

Java

Java Tutorial

JavaScript

JavaScript

C++

C++ Tutorial

C# Tutorial

Go Tutorial

Rust

Rust Tutorial

TypeScript

TypeScript

Swift

Swift Tutorial

Kotlin

Kotlin Tutorial

Ruby

Ruby Tutorial

PHP

PHP Tutorial

C Tutorial

Scala

Scala Tutorial

Perl

Perl Tutorial

R Tutorial

Dart

Dart Tutorial

Lua

Lua Tutorial

MATLAB

MATLAB

Haskell

Haskell

Developer Toolbox

Powerful online tools to boost your productivity

JS Minifier

Whiteboard

Image Editor

Doc Viewer

LaTeX Editor

JSON Editor

QR Generator

Resume Builder

View All

public class MyFirstJavaProgram { Edit & Run

/* This is my first java program.

* This will print 'Hello, World!' as the output

*/

public static void main(String []args) {

System.out.println("Hello, World!"); // prints

}

}

Start Coding in Seconds

Coding Ground For Developers

Code, Edit, Run and Share

Ignite your coding potential on Coding Ground - an immersive online platform for hands-on learning, collaboration, and skill development.

Java Compiler Python Compiler C++ Compiler HTML Editor