摘要: https://leetcode cn.com/problems/as far from land as possible/submissions/ 动态规划 dp[i][j]表示前i,j的最小值 BFS 阅读全文
posted @ 2020-03-29 22:11 aaaaassss 阅读(188) 评论(0) 推荐(0) 编辑
摘要: https://leetcode cn.com/problems/symmetric tree/submissions/ 用bfs层次遍历,队列实现 阅读全文
posted @ 2020-03-29 22:09 aaaaassss 阅读(67) 评论(0) 推荐(0) 编辑