LeetCode
Implement the MapSum class:
MapSum() Initializes the MapSum object.
void insert(String key, int val) Inserts the key-val pair into the map. If the key already existed, the original key-value pair will be overridden to the new one.
int sum(string prefix) Returns the sum of all the pairs' value whose key starts with the prefix.
LeetCode Reference: https://leetcode.com/problems/map-sum...
Tries Data Structure: • Tries Data Structure Explained | Pref...
Other LeetCode Problems:
Binary Tree Right Side View: • Binary Tree Right Side View - Level O...
House Robber | Dynamic Programing: • LeetCode #198. House Robber | Dynamic...
Generate Parentheses: • LeetCode 22. Generate Parentheses | G...
Maximum Subarray Sum | Kadane's Algorithm: • Maximum Subarray Sum | Kadane's Algor...
Find All Duplicates in an Array: • Find All Duplicates in an Array - Lee...
#MapSumPair #HashTries #LeetCode677 #Google #Microsoft #Amazon #Facebook
On this page of the site you can watch the video online LeetCode with a duration of hours minute second in good quality, which was uploaded by the user Java2Novice 02 August 2021, share the link with friends and acquaintances, this video has already been watched 287 times on youtube and it was liked by 9 viewers. Enjoy your viewing!
