LeetCode Blind 12/75: Counting Bits
Given an integer n, return an array ans of length n + 1 such that for each i (0 <= i <= n), ans[i] is the number of 1’s in the binary representation of i.
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LeetCode Blind 11/75: Number of 1 Bits
Write a function that takes an unsigned integer and returns the number of ‘1’ bits it has (also known as the Hamming weight).
LeetCode Blind 10/75: Container with most water
Find two lines that together with the x-axis form a container, such that the container contains the most water.
LeetCode Blind 9/75: 3Sum
Given an integer array nums, return all the triplets [nums[i], nums[j], nums[k]] such that i != j, i != k, and j != k, and nums[i] + nums[j] + nums[k] == 0.
LeetCode Blind 8/75: Search in Rotated Sorted Array
Given the array nums after the possible rotation and an integer target, return the index of target if it is in nums, or -1 if it is not in nums.
LeetCode Blind 7/75: Find Minimum in Rotated Sorted Array
Given the sorted rotated array nums of unique elements, return the minimum element of this array.
LeetCode Blind 6/75: Maximum Product Subarray
Given an integer array nums, find the contiguous subarray (containing at least one number) which has the largest product and return its product.
LeetCode Blind 5/75: Maximum Subarray
Given an integer array nums, find the contiguous subarray (containing at least one number) which has the largest sum and return its sum.
LeetCode Blind 4/75: Product of Array Except Self
Given an integer array nums, return an array answer such that answer[i] is equal to the product of all the elements of nums except nums[i].
LeetCode Blind 3/75: Contains Duplicates
Given an integer array nums, return true if any value appears at least twice in the array, and return false if every element is distinct.