深度优先、广度优先实战题目
https://leetcode-cn.com/problems/binary-tree-level-order-traversal/#/description
https://leetcode-cn.com/problems/minimum-genetic-mutation/#/description
https://leetcode-cn.com/problems/generate-parentheses/#/description
https://leetcode-cn.com/problems/find-largest-value-in-each-tree-row/#/description
课后作业
https://leetcode-cn.com/problems/word-ladder/description/
https://leetcode-cn.com/problems/word-ladder-ii/description/
https://leetcode-cn.com/problems/number-of-islands/
https://leetcode-cn.com/problems/minesweeper/description/
贪心算法课后作业
https://leetcode-cn.com/problems/lemonade-change/description/
https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii/description/
https://leetcode-cn.com/problems/assign-cookies/description/
https://leetcode-cn.com/problems/walking-robot-simulation/description/
https://leetcode-cn.com/problems/jump-game/
https://leetcode-cn.com/problems/jump-game-ii/
二分查找实战题目
https://leetcode-cn.com/problems/sqrtx/
https://leetcode-cn.com/problems/valid-perfect-square/
课后作业
https://leetcode-cn.com/problems/search-in-rotated-sorted-array/
https://leetcode-cn.com/problems/search-a-2d-matrix/
https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array/
使用二分查找，寻找一个半有序数组 [4, 5, 6, 7, 0, 1, 2] 中间无序的地方
说明：同学们可以将自己的思路、代码写在第 4 周的学习总结中
第4周作业
简单：
https://leetcode-cn.com/problems/lemonade-change/description/
https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii/description/
https://leetcode-cn.com/problems/assign-cookies/description/
https://leetcode-cn.com/problems/walking-robot-simulation/description/
使用二分查找，寻找一个半有序数组 [4, 5, 6, 7, 0, 1, 2] 中间无序的地方
说明：同学们可以将自己的思路、代码写在第 3 周的学习总结中
中等：
https://leetcode-cn.com/problems/word-ladder/description/
https://leetcode-cn.com/problems/number-of-islands/
https://leetcode-cn.com/problems/minesweeper/description/
https://leetcode-cn.com/problems/jump-game/
https://leetcode-cn.com/problems/search-in-rotated-sorted-array/
https://leetcode-cn.com/problems/search-a-2d-matrix/
https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array/
困难
https://leetcode-cn.com/problems/word-ladder-ii/description/
https://leetcode-cn.com/problems/jump-game-ii/
第 6 周预习
预习知识点：
动态规划定义
初识动态规划：如何巧妙解决“双十一”购物时的凑单问题？
动态规划理论：一篇文章带你彻底搞懂最优子结构、无后效性和重复子问题
动态规划实战：如何实现搜索引擎中的拼写纠错功能？
预习题目：
最长公共子序列题目
三角形最小路径和
最大子序和
打家劫舍