30.283. Move Zeroes 31.414. Third Maximum Number

27.136. Single Number 28.137. Single Number II 29.260. Single Number III

26. 268. Missing Number

14. Merge Sorted Array 15. Merge Two Sorted Lists 16. 118. Pascal's Tri...

1.Add Binary 2.Add to Array-Form of Integer 3. Add Strings 4. Add Two Nu...

1. tow sum(id=1) 2. Two Sum II - Input array is sorted(id=167) 3. Two Su...