Live Batches
Masterclasses
Menu
Free Courses
Account
Login / Sign Up
DSA Problems
Practice real interview questions and track your progress
61 problems
# Title Topics Acceptance SolutionDifficulty
1 Remove Consecutive DuplicatesRecursion
60.00%
Easy
2 Binary Tree Post Order TraversalTree Recursion Traversal Binary Tree
79.59%
Easy
3 Binary Tree Zigzag Level Order Traversal Tree Recursion Traversal Binary Tree
71.48%
Medium
4 Binary Tree Level Order TraversalTree Recursion Traversal Binary Tree
79.68%
Easy
5 Binary Tree Inorder Traversal Recursion Trees Traversal Binary Tree
75.68%
Easy
6 Binary Tree Preorder TraversalTree Recursion Binary Tree
79.85%
Easy
7 Search in a 2D Matrix Recursion Binary Search
86.00%
Medium
8 Find Minimum In Rotated Sorted Array Recursion
89.00%
Medium
9 Peak Element In Rotated ArrayRecursion
88.00%
Easy
10 Flood FillRecursion
69.00%
Medium
11 Generate All SubsequenceRecursion
56.00%
Medium
12 Check if Binary Tree is BalancedRecursion
77.00%
Medium
13 Generate All SubsetsRecursion
60.00%
Medium
14 Count Nodes in Binary TreeRecursion
64.00%
Medium
15 Letter Combinations of Phone NumberRecursion
60.00%
Medium
16 Tiling ProblemRecursion
50.00%
Medium
17 Permutation Without DuplicatesRecursion
67.00%
Medium
18 Combination Sum IIRecursion
76.00%
Medium
19 Target Sum WaysRecursion
64.00%
Hard
20 Partition Equal SubsetRecursion
77.00%
Easy
21 Number of IslandsRecursion
66.00%
Medium
22 Unique PathRecursion
56.00%
Hard
23 Rat In A MazeRecursion
38.00%
Hard
24 Permutation of an ArrayArray Recursion
68.00%
Medium
25 Permutation of A StringString Recursion
66.00%
Medium
26 Subsets with DuplicatesRecursion
74.00%
Medium
27 Factorial of NRecursion
60.00%
Easy
28 Count Ways To Reach Nth StairRecursion
60.00%
Medium
29 Friends Pairing ProblemRecursion
50.00%
Medium
30 Count Binary StringsRecursion
60.00%
Medium
31 Fibonacci Series (Tree Recursion)Recursion
60.00%
Medium
32 Check String Is Subsequence To Another Recursion
75.00%
Medium
33 Convert String to IntegerRecursion
60.00%
Medium
34 Replace pi to 3.14Recursion
75.00%
Easy
35 Remove All Occurrence of A CharacterRecursion
75.00%
Easy
36 Count CharactersRecursion
85.00%
Easy
37 Check PalindromeRecursion
90.00%
Easy
38 Reverse A String Recursion
48.00%
Easy
39 Product of All Array ElementsRecursion
80.00%
Easy
40 Sum of Array Elements Recursion
58.00%
Easy
41 Reverse An Array Recursion
85.00%
Easy
42 All Occurrence Of An ElementRecursion
59.00%
Easy
43 Last Occurrence Of An Element Recursion
65.00%
Easy
44 First Occurrence Of An Element In An Array Recursion
75.00%
Easy
45 Check Array is Sorted Recursion
80.00%
Basic
46 Find Maximum / Minimum in ArrayRecursion
75.00%
Easy
47 Print Array Elements Recursion
50.00%
Easy
48 Fibonacci Series Recursion
85.00%
Easy
49 Power of (a^b) Recursion
85.00%
Easy
50 Combination SumRecursion
75.00%
Medium
🚀 DSA BOOTCAMP
Crack Product Company Interviews

Structured learning, live mentorship and an integrated coding platform to help you land top software engineering roles.

ScholarHat DSA Bootcamp
₹32 LPAAvg Package
50K+Jobs
300+Problems Covered
20+Patterns
Explore Bootcamp →
Problem Of The Day 🔥

Loading today’s challenge…

Leaderboard
  • 1 🏆 Ashok 1500.00
  • 2 🥈 Priyanka 889.00
  • 3 🥉 Umar 870.00
  • 4 Sayyad 510.00
  • 5 Poorani 480.00
  • 6 Khwaja 480.00
  • 7 Aparna 460.00
  • 8 I Gusti Ngurah Nugraha 460.00
  • 9 Narmitha 450.00
  • 10 Kavipriya 390.00
View More
Curated Problems, Asked at companies like
Microsoft Google Amazon Adobe Oracle Microsoft Google Amazon Adobe Oracle
Samsung Cisco IBM Paytm Infosys Samsung Cisco IBM Paytm Infosys
Solve today's challenge

Keep your streak alive and climb the leaderboard.

Start now →