1. 组合#
难度: 🟡 中等
算法链接: https://leetcode.cn/problems/combinations/
题解: https://programmercarl.com/0077.%E7%BB%84%E5%90%88.html
2. 组合总和 III#
难度: 🟡 中等
算法链接: https://leetcode.cn/problems/combination-sum-iii/
题解: https://programmercarl.com/0216.%E7%BB%84%E5%90%88%E6%80%BB%E5%92%8CIII.html
3. 电话号码的字母组合#
难度: 🟡 中等
算法链接: https://leetcode.cn/problems/letter-combinations-of-a-phone-number/
4. 组合总和#
难度: 🟡 中等
算法链接: https://leetcode.cn/problems/combination-sum/
题解: https://programmercarl.com/0039.%E7%BB%84%E5%90%88%E6%80%BB%E5%92%8C.html
5. 组合总和 II#
难度: 🟡 中等
算法链接: https://leetcode.cn/problems/combination-sum-ii/
题解: https://programmercarl.com/0040.%E7%BB%84%E5%90%88%E6%80%BB%E5%92%8CII.html
6. 分割回文串#
难度: 🟡 中等
算法链接: https://leetcode.cn/problems/palindrome-partitioning/
题解: https://programmercarl.com/0131.%E5%88%86%E5%89%B2%E5%9B%9E%E6%96%87%E4%B8%B2.html
7. 复原 IP 地址#
难度: 🟡 中等
算法链接: https://leetcode.cn/problems/restore-ip-addresses/
题解: https://programmercarl.com/0093.%E5%A4%8D%E5%8E%9FIP%E5%9C%B0%E5%9D%80.html
8. 子集#
难度: 🟡 中等
算法链接: https://leetcode.cn/problems/subsets/
题解: https://programmercarl.com/0078.%E5%AD%90%E9%9B%86.html
9. 子集 II#
难度: 🟡 中等
算法链接: https://leetcode.cn/problems/subsets-ii/
题解: https://programmercarl.com/0090.%E5%AD%90%E9%9B%86II.html
10. 递增子序列#
难度: 🟡 中等
算法链接: https://leetcode.cn/problems/non-decreasing-subsequences/
题解: https://programmercarl.com/0491.%E9%80%92%E5%A2%9E%E5%AD%90%E5%BA%8F%E5%88%97.html
11. 全排列#
难度: 🟡 中等
算法链接: https://leetcode.cn/problems/permutations/
题解: https://programmercarl.com/0046.%E5%85%A8%E6%8E%92%E5%88%97.html
12. 全排列 II#
难度: 🟡 中等
算法链接: https://leetcode.cn/problems/permutations-ii/
题解: https://programmercarl.com/0047.%E5%85%A8%E6%8E%92%E5%88%97II.html
13. N 皇后#
难度: 🔴 困难
算法链接: https://leetcode.cn/problems/n-queens/
题解: https://programmercarl.com/0051.N%E7%9A%87%E5%90%8E.html
14. 解数独#
难度: 🔴 困难
算法链接: https://leetcode.cn/problems/sudoku-solver/
题解: https://programmercarl.com/0037.%E8%A7%A3%E6%95%B0%E7%8B%AC.html