Description
Solution
Problem
Given an array of arrays where each sub-array contains a name and a value, group all values by their corresponding names into an object.
Examples
Example 1:
Input: [['neelesh', 56], ['raj', 62], ['raj', 82], ['rakesh', 51], ['neelesh', 72]]Output: { neelesh: [56, 72], raj: [62, 82], rakesh: [51] }Explanation: Group all values for each name into arrays.
Constraints
1 ≤ arr.length ≤ 1000Each sub-array contains exactly 2 elements: [name, value]Names are strings, values are numbers
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