摘要: 题目链接:https://leetcode.com/problems/subarrays-with-k-different-integers/ 题意:已知一个全为正数的数组A,1<=A.length<=20000,1<=A[i]<=A.length,1<=K<=A.length,问A中恰好有K个不同 阅读全文
posted @ 2019-04-18 15:58 dlutjwh 阅读(333) 评论(0) 推荐(0) 编辑