Smartershining的博客

1、题目 Given a list of words, each word consists of English lowercase letters. Let's sayword1is a predecessor ofword2if and only if we can add exactly one letter anywhere inword1to make it equal...

1、题目 Given a set ofNpeople (numbered1, 2, ..., N), we would like to split everyone into two groups ofanysize. Each person may dislike some other people, and they should not go into the same gro...

1、题目 Given an array of integers and an integerk, you need to find the number ofuniquek-diff pairs in the array. Here ak-diffpair is defined as an integer pair (i, j), whereiandjare both numb...

1、题目 Given an arrayAof non-negative integers, return the maximum sum of elements in two non-overlapping (contiguous) subarrays, which have lengthsLandM. (For clarification, theL-length subarra...