967. Numbers With Same Consecutive Differences https://leetcode.com/problems/numbers-with-same-consecutive-differences
980. Unique Paths III https://leetcode.com/problems/unique-paths-iii
526. Beautiful Arrangement https://leetcode.com/problems/beautiful-arrangement
491. Increasing Subsequences https://leetcode.com/problems/non-decreasing-subsequences
131. Palindrome Partitioning https://leetcode.com/problems/palindrome-partitioning
93. Restore IP Addresses https://leetcode.com/problems/restore-ip-addresses
89. Gray Code https://leetcode.com/problems/gray-code
17. Letter Combinations of a Phone Number https://leetcode.com/problems/letter-combinations-of-a-phone-number
79. Word Search https://leetcode.com/problems/word-search
473. Matchsticks to Square https://leetcode.com/problems/matchsticks-to-square
Prerequisites
Before tackling the backtracking algorithm exercises in this chapter, you must be familiar with the thinking methods explained in the following articles:
