Problem1:
Calculations On Complex Numbers
Problem2:
Running Sum of 1d Array
Problem3:
Find pivot index
Problem4:
Is Subsequent
Problem5:
Binary Search
Proplem6:
First Bad Version.....Note: Said that it is a commom Problem in Facebook Interviews.
Proplem7:
Search Insert Position:
Problem8:
Contains Duplicate
Problem9:
Maximum Subarray
Problem9:
Find First and Last Position of Element in Sorted Array
Problem10:
Roman to Integer
Problem11:
valid parentheses
Problem 13:
3Sum Closest
Problem 14:
Add Two Numbers
Problem15:
Plus One
Problem16:
Two sum.
Problem17:
LongestConsecutiveSequence.
Problem18:
Word Break
Problem19:
Palindrome Number
Problem20:
sort an array