摘要：Problem Statement Link Clarification: The problem states that for each pair of points, we consider the minimum possible distance over any possible mom 阅读全文

摘要：Given an array A of positive integers, call a (contiguous, not necessarily distinct) subarray of A good if the number of different integers in that su 阅读全文

摘要：We are given an array A of N lowercase letter strings, all of the same length. Now, we may choose any set of deletion indices, and for each string, we 阅读全文