摘要：Write a class to count recent requests. It has only one method: , where t represents some time in milliseconds. Return the number of s that have been 阅读全文

摘要：When runs "serverless create_domain", we may get the following error: Could not find the certificate xxxx.com. at ServerlessCustomDomain. This indicat 阅读全文

摘要：In a given 2D binary array , there are two islands. (An island is a 4 directionally connected group of s not connected to any other 1s.) Now, we may c 阅读全文

摘要：For some fixed , an array is beautiful if it is a permutation of the integers , such that: For every `i 这道题定义了一种漂亮数组，说的是在任意两个数字之间，不存在一个正好是这两个数之和的一半的数字 阅读全文

摘要：Given an n x n array of integers matrix, return the minimum sum of any falling path through matrix. A falling path starts at any element in the first 阅读全文