Explain the concepts of an RDBMS to a 5 year old
Software Development Engineer In Test Sdet Interview Questions
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What is a stack?
What is polymorphism?
insertion operation on binary trees with some restrictions.
Expected question. I was prepared for the interview and I was able to answer the question.
In place, move the duplicates in an array to the end. [Hint: first define duplicate. Ex. 02155530. Move 55 to end, OR 55 and 55, resulting in moving 555 to end.]
Stack to queue
a huge matrix with 1 and 0, block the block of 1. elements could be "connected" by left, right, up or down side; but no diagonal. my answer, scan one by one, after getting the first 1, use stack walking to all neighour 1 and change them into 0, count++ then the interview asked how to make it parallel, ...
He asked me how to reverse a string in C. I was a bit rusty, and the answer he was looking for was to iterate over the length of the string store one character in a temporary character, then store the end of the array in the new location. char<-str[i] str[i++]<-str[end] str[end--]<-char Something like that in pseudocode.
all was easy
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