Barclays Interview Questions for Developer

Barclays Interview Questions for C++ Developer
1)How to find the maximum rectangle in a histogram, and write C++ to implement it?
2)A big cube is made of 1000 small cubes. How many small cubes are there at the surface?
3)Explain how  compilers work?
4)What is Hashtable Explain?
5)Explain difference between java ans c#?
6)Explain your project design?Whatis the design pattern you used and why?
7)What is polymorphism?
8)You have 100 coins, 29 of them are heads, rest are tails. You are BLINDFOLDED. You can reverse any coin. Your task is to divide this 100 coins into two groups in which there will be the same number of heads?

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