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
2160 Minimum Sum of Four Digit Number After Splitting Digits Easy
MathGreedySorting
2161 Partition Array According to Given Pivot Medium
ArrayTwo PointersSimulation
2162 Minimum Cost to Set Cooking Time Medium
MathEnumeration
2163 Minimum Difference in Sums After Removal of Elements Hard
ArrayDynamic ProgrammingHeap (Priority Queue)
2164 Sort Even and Odd Indices Independently Easy
ArraySorting
2165 Smallest Value of the Rearranged Number Medium
MathSorting
2166 Design Bitset Medium
ArrayHash TableString
2167 Minimum Time to Remove All Cars Containing Illegal Goods Hard
StringDynamic Programming
2168 Unique Substrings With Equal Digit Frequency Medium
2169 Count Operations to Obtain Zero Easy
MathSimulation
2170 Minimum Operations to Make the Array Alternating Medium
2171 Remove All Ones With Row and Column Flips II Medium
ArrayBit ManipulationBreadth-First Search
2171 Removing Minimum Number of Magic Beans Medium
ArrayGreedySorting
2172 Maximum AND Sum of Array Hard
ArrayDynamic ProgrammingBit Manipulation
2173 Longest Winning Streak Hard
DatabaseHash TableSliding Window
Showing 2161-2175 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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