[TOC] <br/> > ### 數組 [島嶼的最大面積](https://leetcode-cn.com/problems/max-area-of-island/) [求眾數](https://leetcode-cn.com/problems/majority-element/) [搜索二維矩陣 II](https://leetcode-cn.com/problems/search-a-2d-matrix-ii/) [合并兩個有序數組](https://leetcode-cn.com/problems/merge-sorted-array/) [最大數](https://leetcode-cn.com/problems/largest-number/) [最長連續序列](https://leetcode-cn.com/problems/longest-consecutive-sequence/) <br/> > ### 字符串 [<font color="#76EE00">最長回文子串</font>](https://leetcode-cn.com/problems/longest-palindromic-substring/) [無重復字符的最長子串](https://leetcode-cn.com/problems/longest-substring-without-repeating-characters/) [字符串相乘](https://leetcode-cn.com/problems/multiply-strings/) [字符串相加](https://leetcode-cn.com/problems/add-strings/) [回文子串](https://leetcode-cn.com/problems/palindromic-substrings/) [字母異位詞分組](https://leetcode-cn.com/problems/group-anagrams/) <br/> > ### 位運算 [只出現一次的數](https://leetcode-cn.com/problems/minimum-path-sum/submissions/) [子集](https://leetcode-cn.com/problems/subsets/) [2的冪](https://leetcode-cn.com/problems/power-of-two/) [找不同](https://leetcode-cn.com/problems/find-the-difference/) <br/> > ### 排序算法 [排序鏈表](https://leetcode-cn.com/problems/sort-list/) [兩個數組的交集](https://leetcode-cn.com/problems/intersection-of-two-arrays/) [數組中的第K個最大元素](https://leetcode-cn.com/problems/kth-largest-element-in-an-array/) <br/> > ### 鏈表 [兩數相加](https://leetcode-cn.com/problems/add-two-numbers/) [合并兩個有序鏈表](https://leetcode-cn.com/problems/merge-two-sorted-lists/) [反轉鏈表](https://leetcode-cn.com/problems/reverse-linked-list/) [環形鏈表](https://leetcode-cn.com/problems/linked-list-cycle/) [回文鏈表](https://leetcode-cn.com/problems/palindrome-linked-list/) <br/> > ### 棧和隊列 [有效的括號](https://leetcode-cn.com/problems/valid-parentheses/) [ 使括號有效的最少添加](https://leetcode-cn.com/problems/minimum-add-to-make-parentheses-valid/) [二叉樹的前序遍歷](https://leetcode-cn.com/problems/binary-tree-preorder-traversal/) [二叉樹的中序遍歷](https://leetcode-cn.com/problems/binary-tree-inorder-traversal/) [二叉樹的鋸齒形層次遍歷](https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal/) [柱狀圖中最大的矩形](https://leetcode-cn.com/problems/largest-rectangle-in-histogram/) <br/> > ### 樹和圖 [二叉樹的最大深度](https://leetcode-cn.com/problems/maximum-depth-of-binary-tree/) [<font color="#76EE00">二叉樹的層次遍歷</font>](https://leetcode-cn.com/problems/binary-tree-level-order-traversal/) [將有序數組轉換為二叉搜索樹](https://leetcode-cn.com/problems/convert-sorted-array-to-binary-search-tree/) [先序遍歷](https://leetcode-cn.com/problems/binary-tree-preorder-traversal/) [路徑總和](https://leetcode-cn.com/problems/path-sum/) [對稱二叉樹](https://leetcode-cn.com/problems/symmetric-tree/) [<font color="#76EE00">島嶼的個數</font>](https://leetcode-cn.com/problems/number-of-islands/) [二叉樹最大寬度](https://leetcode-cn.com/problems/maximum-width-of-binary-tree/) [<font color="#76EE00">相同的樹</font>](https://leetcode-cn.com/problems/same-tree/) <br/> > ### 動態規劃 [<font color="#76EE00">爬樓梯</font>](https://leetcode-cn.com/problems/climbing-stairs/submissions/) [打家劫舍](https://leetcode-cn.com/problems/house-robber/) [使用最小花費爬樓梯](https://leetcode-cn.com/problems/min-cost-climbing-stairs/) [<font color="#76EE00">不同路徑</font>](https://leetcode-cn.com/problems/unique-paths/) [三角形最小路徑和](https://leetcode-cn.com/problems/triangle/) [最小路徑和](https://leetcode-cn.com/problems/minimum-path-sum/submissions/) [<font color="red">交錯字符串</font>](https://leetcode-cn.com/problems/interleaving-string/) [最大正方形](https://leetcode-cn.com/problems/maximal-square/) <br/> > ### 01背包 [<font color="red">分割等和子集</font>](https://leetcode-cn.com/problems/partition-equal-subset-sum/) [<font color="red">零錢兌換</font>](https://leetcode-cn.com/problems/coin-change/)