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## Data structure and algorithm Final in 2021

### Mid term Exam Data structure and algorithm paper in 2021

Data structure and algorithm

__Q.NO.1__

Write a program to convert an infix expression that includes (,), +,-,*and / to postfix and apply it on the following expressions.

- p+q*r+(s*t)
- a*(b+c)/d

__Q.No.2__

What do you know about stack? Describe the purpose of each of the following stack operations

- Push (), Pop (), Peek (), Isfull () and Isempty ()
- Convert a*(b*c) + (d*e) into its postfix form using stack operations

__Q.No.3__

(A)

Let’s suppose if a queue is filled at a Rear end and there is an empty space at Front end then how can one insert new element into the queue? What do you know about queuing theory? How priority queue is better than double ended queue?

(B)

How link list is better than array? Compare the pros and cons of array and link list.

__GOOD LUCK__

## Data structure and algorithm Sessional I in 2020

Data structure and algorithm Sessional II in 2020

## Data structure and algorithm Final in 2020

## Data structure and algorithm Sessional II in 2019

**Q1:** Write a program to convert an infix expression that includes (.)- *and la positia on the following expressions.

P+q*r+(s*t)

a*(b+c)/d

**Q2:** What do you know about stack? Describe the purpose of each of the following stack operations (I) Push () (II) Pop () (III) Peek () (iv) Isfull ( ) (v) Isempty () (in Convert a* (b*e) + (d*e) into its postfix form using stack operations.

**Q3:**Lets suppose if a queue is tilled at Rear end and there is an empty space at Front end then how can one insert new element into the queue? What do you know about queuing theory? How priority queue ? better than double ended queue?

**Q3:**How Tint list is better than Array? Compare the pros and cons of array and link list.