Question: In a stack, what is the result of the operation \'push(5)\', followed by \'push(10)\', and then \'pop()\'?
Options:
5
10
Both 5 and 10
Stack is empty
Correct Answer: 10
Solution:
The \'pop()\' operation will return 10, as it is the last element pushed onto the stack.
In a stack, what is the result of the operation 'push(5)', followed by 'push(10)
Practice Questions
Q1
In a stack, what is the result of the operation 'push(5)', followed by 'push(10)', and then 'pop()'?
5
10
Both 5 and 10
Stack is empty
Questions & Step-by-Step Solutions
In a stack, what is the result of the operation 'push(5)', followed by 'push(10)', and then 'pop()'?
Step 1: Start with an empty stack.
Step 2: Perform the operation 'push(5)'. This adds the number 5 to the stack. Now the stack contains: [5].
Step 3: Perform the operation 'push(10)'. This adds the number 10 to the stack. Now the stack contains: [5, 10].
Step 4: Perform the operation 'pop()'. This removes the last element added to the stack, which is 10. The stack now contains: [5].
Step 5: The 'pop()' operation returns the value 10.
Stack Data Structure – A stack is a collection of elements that follows the Last In, First Out (LIFO) principle, where the last element added is the first one to be removed.
Push Operation – The 'push' operation adds an element to the top of the stack.
Pop Operation – The 'pop' operation removes and returns the top element of the stack.
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