Company: Siemens
- Angle Between Hands of a Clock
- Best Time to Buy and Sell Stock
- First Missing Positive
- Group Anagrams
- Letter Combinations of a Phone Number
- LFU Cache
- Longest Subarray With Maximum Bitwise AND
- Maximum Product of Three Numbers
- Merge Intervals
- Merge Two Sorted Lists
- Minimized Maximum of Products Distributed to Any Store
- Number of Islands
- Peaks in Array
- Rotate Array
- Rotate List
- The Skyline Problem
- Two Sum
- Valid Anagram
- Valid Parentheses