# 2.algorithm

- [2.1.backtracking](/letcode/2.algorithm/2.1.backtracking.md)
- [2.1.1.連續序列的排列組合(可能會重複)](/letcode/2.algorithm/2.1.backtracking/211lian-xu-xu-lie-de-pai-lie-zu-540828-ke-neng-hui-zhong-890729.md)
- [2.1.3.一串數列中任取n個數字, 總共有幾種組合](/letcode/2.algorithm/2.1.backtracking/213yi-chuan-shu-lie-zhong-ren-qu-n-ge-shu-5b572c-zong-gong-you-ji-zhong-zu-he.md)
- [2.1.2.一串數列中取n個數字, 共有幾種組合](/letcode/2.algorithm/2.1.backtracking/212yi-chuanshu-lie-zhong-qu-n-ge-shu-5b572c-gong-you-ji-zhong-zu-he.md)
- [2.5.Quick sort](/letcode/2.algorithm/25quick-sort.md)
- [2.6.2.6.廣度優先搜尋 (Breadth-first Search)](/letcode/2.algorithm/26guang-du-you-xian-sou-xun-breadth-first-search.md)
- [2.2.Binary Search](/letcode/2.algorithm/22binary-search.md)
- [2.1.Backtracking](/letcode/2.algorithm/2.1.backtracking-1.md)
- [2.4.河內塔 (Tower of Hanoi)](/letcode/2.algorithm/24he-nei-ta-tower-of-hanoi.md)
- [2.7.動態規劃](/letcode/2.algorithm/27dong-tai-gui-hua.md)
- [2.8.深度優先搜尋 (Depth-first Search)](/letcode/2.algorithm/28-shen-du-you-xian-sou-xun-depth-first-search.md)
- [2.7.二分搜尋法](/letcode/2.algorithm/27er-fen-sou-xun-fa.md)
- [2.3.分治法 (Divide and Conquer)](/letcode/2.algorithm/23divide-and-conquer.md)