Data Structures and Algorithms

Data Structures and Algorithms problems and solutions

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LC 78. Subsets

February 7, 2026

LeetCode Link: 778. Subsets
Language: C#

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LC 77. Combinations

February 7, 2026

LeetCode Link: 77. Combinations
Language: C#

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LC 38. Count and Say

February 7, 2026

LeetCode Link: 38. Count and Say
Language: C#

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LC 34. Find First and Last Position of Element in Sorted Array

January 22, 2026

LeetCode Link: 34. Find First and Last Position of Element in Sorted Array
Language: C#

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LC 101 Symmetric Tree

March 8, 2024

LeetCode Link: 101 Symmetric Tree
Language: C#

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LC 863. All Nodes Distance K in Binary Tree

February 13, 2024

LeetCode Link: 863. All Nodes Distance K in Binary Tree
Language: C#

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