Question 71 : Which data structure can be used suitably to solve the Tower of Hanoi problem?
1. Tree
2. Heap
3. Priority queue
4. Stack
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Question 72 : Parentheses are simply ignored in the conversion of infix to postfix expression.
1. True
2. False
3.
4.
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Question 73 : What is the result of the following postfix expression?
ab*cd*+ where a=2,b=2,c=3,d=4.
1. 16
2. 12
3. 14
4. 10
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Question 74 : Which of the following is valid reverse polish expression?
1. a op b
2. op a b
3. a b op
4. both op a b and a b op
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Question 75 : What is the other name for a postfix expression?
1. Normal polish Notation
2. Reverse polish Notation
3. Warsaw notation
4. Infix notation
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Question 76 : Out of the following operators (^, *, +, &, $), the one having highest priority is _________
1. +
2. $
3. ^
4. &
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Question 77 : What is the time complexity for converting decimal to binary numbers?
1. O(1)
2. O(n)
3. O(logn)
4. O(nlogn)
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