[MUST WATCH] 706. Design HashMap | #2 | Hash Table Playlist #hashtable #leetcode #algorithms

Notes :

Design a HashMap without using any built-in hash table libraries.

Implement the MyHashMap class:

MyHashMap() initializes the object with an empty map.
void put(int key, int value) inserts a (key, value) pair into the HashMap. If the key already exists in the map, update the corresponding value.
int get(int key) returns the value to which the specified key is mapped, or -1 if this map contains no mapping for the key.
void remove(key) removes the key and its corresponding value if the map contains the mapping for the key.

CHAPTERS
0:00 Introduction
0:23 Question Explanation
2:30 Watch Set Video First
3:10 Set Diagram Walkthrough
5:25 Map Intuition
6:45 Map Diagram Walkthrough
9:40 Live Coding
16:50 Example Walkthrough
19:40 Time & Space Complexity
20:40 Conclusion

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[CTO-Bhaiya]

Correction: Space Complexity would be O(n + k), k being the number of buckets and n being the number of elements that we are storing in the map.

[CTO-Bhaiya]

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