Company: American Express
- Add Digits
- Divide an Array Into Subarrays With Minimum Cost I
- Divide an Array Into Subarrays With Minimum Cost II
- Equal Sum Arrays With Minimum Number of Operations
- Find a Value of a Mysterious Function Closest to Target
- Longest Common Prefix
- Longest Substring Without Repeating Characters
- Maximize the Topmost Element After K Moves
- Maximum Equal Frequency
- Maximum XOR After Operations
- Minimum Deletions to Make Character Frequencies Unique
- Minimum Fuel Cost to Report to the Capital
- Percentage of Letter in String
- Permutations
- Reconstruct a 2-Row Binary Matrix
- Rotate Array
- Trapping Rain Water
- Two Sum
- Ugly Number III
- Valid Anagram
- Valid Parentheses