Backtracking 📂

This section contains problems belonging to the Backtracking category.

Problems

• 🟡 Medium: Subsets
• 🟡 Medium: Combination Sum
• 🟡 Medium: Permutations
• 🟡 Medium: Subsets II
• 🟡 Medium: Combination Sum II
• 🟡 Medium: Word Search
• 🟡 Medium: Palindrome Partitioning
• 🟡 Medium: Letter Combinations of a Phone Number
• 🔴 Hard: N Queens