__<font size=4>Table of Content</font>__

| __Session__ | Topic Pattern | Materials | Easy Problem Suggestions |

| :------: |:------: | :------- | :------- |

| 1 | Two Pointers | [Slides](slides/S1_TwoPointers.pdf) <br/> [Leetcode problem: Three Sum](https://leetcode.com/problems/3sum/) | [Two Sum](https://leetcode.com/problems/two-sum/) <br /> [Two Sum II](https://leetcode.com/problems/two-sum-ii-input-array-is-sorted/) |

| 6 | DFS | [Slides](slides/S6_DFS&BFS.pdf) <br /> [Leetcode problem: Validate Binary Search Tree](https://leetcode.com/problems/validate-binary-search-tree/) <br /> | |

| 7 | Backtracking | [Slides](slides/S7_Backtracking.pdf) <br /> [Leetcode problem: Subsets](https://leetcode.com/problems/subsets/) <br /> | |

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