Backtracking Interview Questions
87 real interview questions test Backtracking. Practice any of them in the code editor and get AI feedback on your solution.
- Junior3% (3)
- Mid/Senior66% (57)
- Staff31% (27)
Companies that ask Backtracking the most
Questions
- Letter Combinations of a Phone Number40 companiesMid/Senior
- Generate Parentheses40 companiesMid/Senior
- Word Search40 companiesMid/Senior
- Combination Sum30 companiesMid/Senior
- Permutations26 companiesMid/Senior
- Subsets20 companiesMid/Senior
- Word Search II20 companiesStaff
- Sudoku Solver18 companiesStaff
- Restore IP Addresses18 companiesMid/Senior
- Combination Sum II17 companiesMid/Senior
- N-Queens16 companiesStaff
- Word Ladder II16 companiesStaff
- Word Break II16 companiesStaff
- Target Sum11 companiesMid/Senior
- N-Queens II10 companiesStaff
- Path Sum II10 companiesMid/Senior
- Remove Invalid Parentheses10 companiesStaff
- Permutations II9 companiesMid/Senior
- Subsets II9 companiesMid/Senior
- Palindrome Partitioning9 companiesMid/Senior
- Matchsticks to Square9 companiesMid/Senior
- Partition to K Equal Sum Subsets8 companiesMid/Senior
- Combinations7 companiesMid/Senior
- Binary Tree Paths7 companiesJunior
- Expression Add Operators7 companiesStaff
- 24 Game7 companiesStaff
- Sliding Puzzle7 companiesStaff
- Letter Case Permutation7 companiesMid/Senior
- Unique Paths III7 companiesStaff
- Count Number of Maximum Bitwise-OR Subsets7 companiesMid/Senior
- Beautiful Arrangement6 companiesMid/Senior
- Shopping Offers6 companiesMid/Senior
- All Paths From Source to Target6 companiesMid/Senior
- Path with Maximum Gold6 companiesMid/Senior
- Maximum Length of a Concatenated String with Unique Characters6 companiesMid/Senior
- Gray Code5 companiesMid/Senior
- Binary Watch5 companiesJunior
- Numbers With Same Consecutive Differences5 companiesMid/Senior
- Letter Tile Possibilities5 companiesMid/Senior
- The k-th Lexicographical String of All Happy Strings of Length n5 companiesMid/Senior
- Split a String Into the Max Number of Unique Substrings5 companiesMid/Senior
- Construct the Lexicographically Largest Valid Sequence5 companiesMid/Senior
- Find Minimum Time to Finish All Jobs5 companiesStaff
- Sum of All Subset XOR Totals5 companiesJunior
- Find Unique Binary String5 companiesMid/Senior
- Next Greater Numerically Balanced Number5 companiesMid/Senior
- Maximum Path Quality of a Graph5 companiesStaff
- Minimum Moves to Spread Stones Over Grid5 companiesMid/Senior
- Combination Sum III4 companiesMid/Senior
- Non-decreasing Subsequences4 companiesMid/Senior
- Stickers to Spell Word4 companiesStaff
- Maximum Score Words Formed by Letters4 companiesStaff
- The Number of Beautiful Subsets4 companiesMid/Senior
- Find the Punishment Number of an Integer4 companiesMid/Senior
- Generate Binary Strings Without Adjacent Zeros4 companiesMid/Senior
- Additive Number3 companiesMid/Senior
- Count Numbers with Unique Digits3 companiesMid/Senior
- Pyramid Transition Matrix3 companiesMid/Senior
- Largest Time for Given Digits3 companiesMid/Senior
- Number of Squareful Arrays3 companiesStaff
- Tiling a Rectangle with the Fewest Squares3 companiesStaff
- Verbal Arithmetic Puzzle3 companiesStaff
- Longest Subsequence Repeated k Times3 companiesStaff
- Maximum Good People Based on Statements3 companiesStaff
- Construct Smallest Number From DI String3 companiesMid/Senior
- Smallest Divisible Digit Product II3 companiesStaff
- Split Array into Fibonacci Sequence2 companiesMid/Senior
- Smallest String Starting From Leaf2 companiesMid/Senior
- Minimum Number of Work Sessions to Finish the Tasks2 companiesMid/Senior
- Maximum Product of the Length of Two Palindromic Subsequences2 companiesMid/Senior
- Number of Valid Move Combinations On Chessboard2 companiesStaff
- Fair Distribution of Cookies2 companiesMid/Senior
- Balanced K-Factor Decomposition2 companiesMid/Senior
- Ambiguous Coordinates1 companyMid/Senior
- Brace Expansion II1 companyStaff
- Circular Permutation in Binary Representation1 companyMid/Senior
- Maximum Number of Achievable Transfer Requests1 companyStaff
- Distribute Repeating Integers1 companyStaff
- Closest Dessert Cost1 companyMid/Senior
- Maximize Score After N Operations1 companyStaff
- Maximum Compatibility Score Sum1 companyMid/Senior
- Maximum Split of Positive Even Integers1 companyMid/Senior
- Maximum Points in an Archery Competition1 companyMid/Senior
- Maximum Rows Covered by Columns1 companyMid/Senior
- Minimum Time to Break Locks I1 companyMid/Senior
- Next Special Palindrome Number1 companyStaff
- Word Squares II1 companyMid/Senior