摘要： 无意间发现这个http://codevs.cn/ 这个网站的注册和登录犹如大学教务管理系统，post的数据都是明文的。我就呵呵呵了 那么，我们就写个自动注册脚本。批量注册。 coding=utf 8 import requests, random def go(n, p): header = { ' 阅读全文

摘要： There is a strange printer with the following two special requirements: Given a string consists of lower English letters only, your job is to count th 阅读全文

摘要： Given n points in the plane that are all pairwise distinct, a "boomerang" is a tuple of points (i, j, k) such that the distance between i and j equals 阅读全文

摘要： Given a list of non-negative numbers and a target integer k, write a function to check if the array has a continuous subarray of size at least 2 that 阅读全文

摘要： You are given a string, s, and a list of words, words, that are all of the same length. Find all starting indices of substring(s) in s that is a conca 阅读全文

摘要： Given two integers n and k, you need to construct a list which contains n different positive integers ranging from 1 to n and obeys the following requ 阅读全文

摘要： If the depth of a tree is smaller than 5, then this tree can be represented by a list of three-digits integers. For each integer in this list: Given a 阅读全文

摘要： Given an array with n integers, your task is to check if it could become non-decreasing by modifying at most 1 element. We define an array is non-decr 阅读全文

摘要： Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing only 1's and return its area. For example, given the following 阅读全文

摘要： Find the kth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct element. For exam 阅读全文