aiterator

摘要： 题目大意 意思就是这里有n个小朋友要选一个班长。 每一个小朋友都有一票，小朋友因为害羞不会投自己，只会投给他们最好的同学。现在1号小朋友想要当班长，而且是当唯一的班长，这就意味着他的票数必须要大于其他人的所有票。他可以通过买糖果给其他小朋友让他们把票投给他自己。 现在求1号当上班长需要花费的最小糖果 阅读全文

摘要： A string is called bad if it has 3 vowels in a row, or 5 consonants in a row, or both. A string is called good if it is not bad. You are given a strin 阅读全文

摘要： Your friend Jim has challenged you to a game. He has a bag containing red and blue marbles. There will be an odd number of marbles in the bag, and you 阅读全文

摘要： Nowadays the one way traffic is introduced all over the world in order to improve driving safety and reduce traffic jams. The government of Dhaka Divi 阅读全文

摘要： This winter we are going on a trip to Bandorban. The main target is to climb up to the top of Keokradong. So, we will use a trail. The trail is a cont 阅读全文

摘要： A rider is a fantasy chess piece that can jump like a knight several times in a single move. A rider that can perform a maximum of K jumps during a si 阅读全文

摘要： A palindrome partition is the partitioning of a string such that each separate substring is a palindrome. For example, the string "ABACABA" could be p 阅读全文

摘要： Follow up for "Remove Duplicates": What if duplicates are allowed at most twice? For example, Given sorted array nums = , Your function should return 阅读全文

摘要： Given a 2D board and a word, find if the word exists in the grid. The word can be constructed from letters of sequentially adjacent cell, where "adjac 阅读全文

摘要： Given a set of distinct integers, nums, return all possible subsets. Note: The solution set must not contain duplicate subsets. For example, If nums = 阅读全文