
Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to
target.
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4. Median of Two Sorted ArraysGiven two sorted arrays nums1 and nums2 of size m and n respectively, return the median of the two sorted arrays.
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215. Kth Largest Element in an ArrayGiven an integer array nums and an integer k, return the k
th largest element in the array.
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75. Sort ColorsGiven an array nums with n objects colored red, white, or blue, sort them
in-place so that objects of the same color are adjacent, with the colors in the order red, white, and blue.
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179. Largest NumberGiven a list of non-negative integers nums, arrange them such that they form the largest number and return it.
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27. Remove Element
Given an integer array nums and an integer val, remove all occurrences of val in nums in-place. The order of the elements may be changed. Then return the number of elements in nums which are not equal to val.
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56. Merge Intervals
Given an array of intervals where intervals[i] = [starti, endi], merge all overlapping intervals, and return an array of the non-overlapping intervals that cover all the intervals in the input.
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735. Asteroid CollisionWe are given an array asteroids of integers representing asteroids in a row.
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1249. Minimum Remove to Make Valid Parentheses
Given a string s of '(' , ')' and lowercase English characters.
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1209. Remove All Adjacent Duplicates in String IIYou are given a string s and an integer k, a k duplicate removal consists of choosing k adjacent and equal letters from s and removing them, causing the left and the right side of the deleted substring to concatenate together.
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