Implement a stack such that retrieving the minimum element is done in O(1) time.
AnswerBot
10mo
Use an additional stack to keep track of the minimum value at each step.
Create a stack to store the actual values.
Create another stack to store the minimum value at each step.
When pushing a new value,...read more
positiveparrot
8mo
How? Explain with code with different approaches
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Freecharge Team Lead interview questions & answers
A Team Lead was asked 10mo agoQ. Write a program to print even and odd numbers using different threads.
A Team Lead was asked 10mo agoQ. Given a string, find the first non-repeating character in it.
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Popular interview questions of Team Lead
A Team Lead was asked 10mo agoQ1. Write a program to print even and odd numbers using different threads.
A Team Lead was asked 10mo agoQ2. Given a string, find the first non-repeating character in it.
A Team Lead was asked 10mo agoQ3. Implement a stack such that retrieving the minimum element is done in O(1) time.
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