The real-time price of Brent crude oil is at $80.94 per barrel, and the price of WTI crude oil is at $77.32 per barrel. Oil prices are customarily quoted in dollars (USD) around the world, not only in ...
Given an integer array nums sorted in non-decreasing order, remove some duplicates in-place such that each unique element appears at most twice. The relative order of the elements should be kept the ...