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
256 CEO Subordinate Hierarchy Hard
Database
257 Chalkboard XOR Game Hard
ArrayMathBit Manipulation
258 Champagne Tower Medium
Dynamic Programming
259 Change Minimum Characters to Satisfy One of Three Conditions Medium
Hash TableStringCounting
260 Change Null Values in a Table to the Previous Value Unknown
Database
261 Change the Root of a Binary Tree Medium
TreeDepth-First SearchBinary Tree
262 Check Array Formation Through Concatenation Easy
ArrayHash Table
263 Check Balanced String Easy
String
264 Check Completeness of a Binary Tree Medium
TreeBreadth-First SearchBinary Tree
265 Check Distances Between Same Letters Easy
ArrayHash TableString
266 Check for Contradictions in Equations Hard
ArrayDepth-First SearchUnion Find
267 Check If a Number Is Majority Element in a Sorted Array Easy
ArrayBinary Search
268 Check if a Parentheses String Can Be Valid Medium
StringStackGreedy
269 Check If a String Can Break Another String Medium
StringGreedySorting
270 Check If a String Contains All Binary Codes of Size K Medium
Hash TableStringBit Manipulation
Showing 256-270 of 3407
1 ... 16 17 18 19 20 ... 228

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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
   }
}

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