ccutyear的博客

    在LeetCode上的旅程开始了，一步步慢慢溜达吧！ 932. Beautiful Array     For some fixed N, an array A is beautiful if it is a permutation of the integers 1, 2, ..., N, such that:For every i < j, there is no k wit...

72. Edit Distance       Given two words word1 and word2, find the minimum number of operations required to convert word1 to word2.You have the following 3 operations permitted on a word: Insert a ch...