11 - Container With Most Water
121 - Best Time to Buy and Sell Stock
151 - Reverse Words in a String
349 - Intersection of Two Arrays
354 - Reverse Vowels of a String
643 - Maximum Average Subarray I
1207 - Unique Number of Occurences
1431 - Kids With The Greatest Number of Candies
1732 - Find the Highest Altitude
1768 - Merge String Alternatively
2215.Find the Difference of Two Arrays