Leetcode problem 32 - Number of Good Pairs
Given an array of integers nums, return the number of good pairs.
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Leetcode problem 31 - Jewels and Stones
You’re given strings jewels representing the types of stones that are jewels, and stones representing the stones you have. Each character in stones is a type...
Leetcode problem 30 - Final Value of Variable After Performing Operations
There is a programming language with only four operations and one variable X:
Leetcode problem 29 - Find the Maximum Achievable Number
You are given two integers, num and t.
Leetcode problem 28 - Shuffle the Array
Given the array nums consisting of 2n elements in the form [x1,x2,…,xn,y1,y2,…,yn].