Top Facebook Interview Questions

  Facebook Interview Questions

Easy

1. Sparse Array Implementation
2. Largest product made by multiplying any three integers
3. Maximum Profit From Buying and Selling stock once
4. Find level with minimum sum
5. Check balanced brackets

Medium

1. Find all paths from root to leaves in tree
2. Pick Random Element from Stream with uniform probability
3. Count number of ways to decode the string
4. Find the minimum cost to build N houses with K different colors
5. Partition into two sets with equal sum
6. Shuffle a Deck Cards
7. Rotate Array Left By K Positions
8. Maximum profit from k buys and sells
9. Unit of water trapped on the map
10. Check whether an array can made strictly increasing by modifying at most once
11. Count number of ways to reach bottom right corner from top left corner
12. Implement Flight Itinerary
13. Print x or y using bit
14. Find the two elements that appear only once

Hard

1. Reverse String while maintaining relative order of delimiters
2. Implement regular expression matching

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