Google Coding Problems

Master the most popular coding problems from Google

3407
Total Problems
851
Easy
1775
Medium
761
Hard
Start Practicing
G

Master DSA Topics - January, 2026

Practice problems across 75+ categories

Google Coding Problems

Practice problems frequently asked at Google 3407 problems | 851 Easy | 1775 Medium | 761 Hard

# Problem Difficulty Topics
2461 Number of Substrings With Only 1s Medium
MathString
2462 Number of Times Binary String Is Prefix-Aligned Medium
Array
2463 Number of Transactions per Visit Hard
Database
2464 Number of Trusted Contacts of a Customer Medium
Database
2465 Number of Unequal Triplets in Array Easy
ArrayHash TableSorting
2466 Number of Unique Categories Medium
Union FindInteractiveCounting
2467 Number of Unique Flavors After Sharing K Candies Medium
ArrayHash TableSliding Window
2468 Number of Unique Good Subsequences Hard
StringDynamic Programming
2469 Number of Unique Subjects Taught by Each Teacher Easy
Database
2470 Number of Unique XOR Triplets I Medium
ArrayMathBit Manipulation
2471 Number of Unique XOR Triplets II Medium
ArrayMathBit Manipulation
2472 Number of Valid Clock Times Easy
StringEnumeration
2473 Number of Valid Subarrays Hard
ArrayStackMonotonic Stack
2474 Number of Valid Words for Each Puzzle Hard
ArrayHash TableString
2475 Number of Valid Words in a Sentence Easy
String
Showing 2461-2475 of 3407
1 ... 163 164 165 166 167 ... 228

Tutorials Library

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

Python

Python Tutorial

Java

Java Tutorial

JavaScript

JavaScript

C++

C++ Tutorial

C#

C# Tutorial

Go

Go Tutorial

Rust

Rust Tutorial

TypeScript

TypeScript

Swift

Swift Tutorial

Kotlin

Kotlin Tutorial

Ruby

Ruby Tutorial

PHP

PHP Tutorial

C

C Tutorial

Scala

Scala Tutorial

Perl

Perl Tutorial

R

R Tutorial

Dart

Dart Tutorial

Lua

Lua Tutorial

MATLAB

MATLAB

Haskell

Haskell

Developer Toolbox

Powerful online tools to boost your productivity

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.