难度系数排序,容易题1-10题: Cosine Similarity new Fizz Buzz O(1)检测2的幂次 x的平方根 不同的路径 不同的路径 II 两个字符串是变位词 两个链表的和 中位数 主元素 Cosine Similarity 题目: Cosine similarity is a measure of similarity between two vectors of an inner product space that measures the cosine
Problem Description Our protagonist is the handsome human prince Aragorn comes from The Lord of the Rings. One day Aragorn finds a lot of enemies who want to invade his kingdom. As Aragorn knows, the enemy has N camps out of his kingdom and M edges c