摘要：
Complement of Base 10 Integer (E) 题目 Every non-negative integer N has a binary representation. For example, 5 can be represented as "101" in binary, 1 阅读全文
摘要：
Remove Covered Intervals (M) 题目 Given a list of intervals, remove all intervals that are covered by another interval in the list. Interval [a,b) is co 阅读全文
摘要：
K-diff Pairs in an Array (M) 题目 Given an array of integers nums and an integer k, return the number of unique k-diff pairs in the array. A k-diff pair 阅读全文
摘要：
Number of Recent Calls (E) 题目 You have a RecentCounter class which counts the number of recent requests within a certain time frame. Implement the Rec 阅读全文
摘要：
Word Break (M) 题目 Given a non-empty string s and a dictionary wordDict containing a list of non-empty words, determine if s can be segmented into a sp 阅读全文
摘要：
Subarray Product Less Than K (M) 题目 Your are given an array of positive integers nums. Count and print the number of (contiguous) subarrays where the 阅读全文
摘要：
Evaluate Division (M) 题目 You are given equations in the format A / B = k, where A and B are variables represented as strings, and k is a real number ( 阅读全文
摘要：
Teemo Attacking (M) 题目 In LOL world, there is a hero called Teemo and his attacking can make his enemy Ashe be in poisoned condition. Now, given the T 阅读全文
摘要：
Largest Number (M) 题目 Given a list of non negative integers, arrange them such that they form the largest number. Example 1: Input: [10,2] Output: "21 阅读全文
摘要：
Find the Difference (E) 题目 Given two strings s and t which consist of only lowercase letters. String t is generated by random shuffling string s and t 阅读全文