Master DSA Topics - February, 2026

Practice problems across 75+ categories

All Coding Problems

Practice coding problems across all companies and topics 3600 problems | 879 Easy | 1856 Medium | 842 Hard

# Problem Difficulty Topics
1260 Minimum Moves to Move a Box to Their Target Location Hard
ArrayBreadth-First SearchHeap (Priority Queue)
1260 Shift 2D Grid Easy
ArrayMatrixSimulation
1261 Find Elements in a Contaminated Binary Tree Medium
Hash TableTreeDepth-First Search
1262 Greatest Sum Divisible by Three Medium
ArrayDynamic ProgrammingGreedy
1264 Page Recommendations Medium
Database
1265 Print Immutable Linked List in Reverse Medium
Linked ListTwo PointersStack
1266 Minimum Time Visiting All Points Easy
ArrayMathGeometry
1267 Count Servers that Communicate Medium
ArrayDepth-First SearchBreadth-First Search
1268 Search Suggestions System Medium
ArrayStringBinary Search
1269 Number of Ways to Stay in the Same Place After Some Steps Hard
Dynamic Programming
1270 All People Report to the Given Manager Medium
Database
1271 Hexspeak Easy
MathString
1272 Remove Interval Medium
Array
1273 Delete Tree Nodes Medium
ArrayTreeDepth-First Search
1274 Number of Ships in a Rectangle Hard
ArrayDivide and ConquerInteractive
Showing 1261-1275 of 3602
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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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