You have a pile of coins. One of them is counterfeit, and its weight is different from the other coins. All of the other coins weigh the same. You are given a balance. How would you find the counterfeit coin? Now code it up.
Programmer Analyst Intern Interview Questions
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Write a function that determines if a tree is a BST or not
inorder traverse of a tree without.recursive
You have an array randomly filled with red, blue and green items. How do you order this list so the red items are at the beginning, followed by the blue ones, followed by the green ones? The algorithm should be in-place (no extra storage, or only constant extra storage) and the algorithm should only walk threw the array once (every position can only be read once).
You have 25 horses but only a single 5 lane race track. Only 5 horses can race at any time. You don't have a timer or other measurement tools. How many races do you need to run to find the fastest top 3 horses?
Write up and populate a linked list in C#.
Difference between ArrayList and LinkedList ?
In technical round I was asked one puzzle. 3 tyres will be given whose lifetime is 5km each. For how many kilo-meters you can ride a bike ?
write a logic to print * pattern square matrix with diagonal elements if n=5 print * * * * * * * * * * * * * * * * * * * * * i wrote the code with 5 loops but they asked me to write in 2 loops....!
reverse the words of a string
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