LeetCode

Given an array nums. We define a running sum of an array as runningSumi = sum(nums0…numsi).Return the running sum of nums.Example 1:Input: nums = 1,2,

Given a valid (IPv4) IP address, return a defanged version of that IP address.A defanged IP address replaces every period "." with ".".Example 1:Input

Given the array nums consisting of 2n elements in the form x1,x2,...,xn,y1,y2,...,yn.Return the array in the form x1,y1,x2,y2,...,xn,yn.Example 1:Inpu

Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target.You may assume that each inpu

Given n non-negative integers a1, a2, ..., an , where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endp

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