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DSA Problems
Practice real interview questions and track your progress
86 problems
# Title Topics Acceptance SolutionDifficulty
51Count CharactersRecursion
85.00%
Easy
52Check PalindromeRecursion
90.00%
Easy
53Reverse A String Recursion
48.00%
Easy
54Product of All Array ElementsRecursion
80.00%
Easy
55Sum of Array Elements Recursion
58.00%
Easy
56Reverse An Array Recursion
85.00%
Easy
57All Occurrence Of An ElementRecursion
59.00%
Easy
58Last Occurrence Of An Element Recursion
65.00%
Easy
59First Occurrence Of An Element In An Array Recursion
75.00%
Easy
60Check Array is Sorted Recursion
80.00%
Basic
61Find Maximum / Minimum in ArrayRecursion
75.00%
Easy
62Print Array Elements Recursion
50.00%
Easy
63Fibonacci Series Recursion
85.00%
Easy
64Power of (a^b) Recursion
85.00%
Easy
65Combination SumRecursion
75.00%
Medium
66Print Numbers from 1 to N Recursion
75.00%
Easy
67Print Number From N to 1 Recursion
80.00%
Easy
68Sum Of First N Natural Numbers Recursion
60.00%
Easy
69Detect Loop in linked listLinked List
43.49%
Medium
70Palindrome Linked ListLinked List
41.48%
Medium
71Categorize even and odd nodes in a Linked ListLinked List
49.80%
Medium
72Word Search Recursion
32.69%
Medium
73Print PatternRecursion
56.39%
Easy
74Subset SumsRecursion
72.55%
Medium
75Merge Sort for Linked ListLinked List
74.76%
Medium
76Reverse a Linked List in GroupsLinked List
57.08%
Medium
77Intersection of Two Linked ListsLinked List
35.30%
Easy
78Distinct Paths IIArray Recursion Dynamic Programming 2D Array
50.00%
Medium
79Distinct PathsArray Recursion Dynamic Programming 2D Array
50.00%
Medium
80Tower of Hanoi Recursion
35.23%
Medium
81Power Of NumbersRecursion
20.22%
Medium
82Sort a stackRecursion
69.19%
Medium
83Flattening a Linked ListLinked List
51.53%
Medium
84Kth from End of Linked ListLinked List
47.30%
Medium
85Merge Two Sorted ListsLinked List
65.70%
Medium
86Reverse a Linked ListLinked List
78.10%
Easy
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