Renzhouzhou的博客

问题： https://leetcode.com/problems/minimum-absolute-difference-in-bst/?tab=Description Given a binary search tree with non-negative values, find the minimum absolute difference between values of any t

问题：https://leetcode.com/problems/assign-cookies/?tab=Description Assume you are an awesome parent and want to give your children some cookies. But, you should give each child at most one cookie. Each

问题：https://leetcode.com/problems/assign-cookies/?tab=Description Assume you are an awesome parent and want to give your children some cookies. But, you should give each child at most one cookie. Each

问题：https://leetcode.com/problems/binary-watch/?tab=Description A binary watch has 4 LEDs on the top which represent the hours (0-11), and the 6 LEDs on the bottom represent the minutes (0-59). Each L

问题：https://leetcode.com/problems/maximum-subarray/?tab=Description Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array

问题： https://leetcode.com/problems/base-7/?tab=Description Given an integer, return its base 7 string representation. 将十进制数字转换成7进制，且以字符串形式返回。若数字为负数，则将其绝对值转换后再添加符号。 Example 1: Input: 100 Outp

问题：https://leetcode.com/problems/relative-ranks/?tab=Description Given scores of N athletes, find their relative ranks and the people with the top three highest scores, who will be awarded medals: “Go

问题：https://leetcode.com/problems/construct-the-rectangle/?tab=Description For a web developer, it is very important to know how to design a web page’s size. So, given a specific rectangular web page’s

问题：https://leetcode.com/problems/fizz-buzz/?tab=Description Write a program that outputs the string representation of numbers from 1 to n. But for multiples of three it should output “Fizz” instead o

问题：https://leetcode.com/problems/nim-game/?tab=Description You are playing the following Nim Game with your friend: There is a heap of stones on the table, each time one of you take turns to remove 1

问题：https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii/?tab=Description Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to fin