Home Courses Interview Preparation Course Friend Circles: Problem Statement [Leetcode]

Friend Circles: Problem Statement [Leetcode]

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Disjoint sets and operations (Union and find)

Friend Circles: Approach 1 [Leetcode]

Trie

1.1

33 min

1.2

Implement Tries: Problem Statement [Leetcode]

3 min

1.3

Implement Tries: Explanation [Leetcode]

11 min

1.4

Implement Tries: Python Code [Leetcode]

12 min

Red Black Trees

2.1

Red black Trees

31 min

2.2

Red Black Tree - Deletion

18 min

B-Trees & B+ Trees

3.1

Files and Indexing: introduction

46 min

3.2

B-Trees and B+ Trees with examples

58 min

3.3

More Solved Problems

14 min

3.4

Terminology related to Indexes

9 min

Ternary search Tree

4.1

Ternary Search Tree

35 min

LRU Cache

5.1

Page replacement Strategies

34 min

5.2

LRU, Optimal-replacement Algorithm

52 min

5.3

LRU Cache: Problem Statement [Leetcode]

6 min

5.4

LRU Cache: Why Use a Cache [Leetcode]

7 min

5.5

LRU Cache: Eviction [Leetcode]

7 min

5.6

LRU Cache: Explanation [Leetcode]

12 min

5.7

LRU Cache: Python Code [Leetcode]

22 min

Disjoint sets

6.1

Disjoint sets and operations (Union and find)

29 min

6.2

Friend Circles: Problem Statement [Leetcode]

4 min

6.3

Friend Circles: Approach 1 [Leetcode]

5 min

6.4

Friend Circles: Approach 1 (python code) [Leetcode]

7 min

6.5

Friend Circles: Approach 2 and python code [Leetcode]

16 min

Segment Tree

7.1

Introduction & Navie Approach

7 min

7.2

Structure of segment Tree

8 min

7.3

Constructing Segment Tree

12 min

7.4

Range Sum Query

11 min

Complexity Classess

8.1

7 min

8.2

What is Non-Deterministic and Deterministic Algorithms ?

8 min

8.3

How to show the relationship between exponential time algorithms?

8 min

8.4

NP-Hard And NP-Complete

12 min