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Consider the following pseudocode that uses a stack
declate a stack of characters
while (there are more characters in the word to read)
{
read a character
push the character on the stack
}
while ( the stack is not empty)
{
pop a chatacher off the stack
write the character to the screen
}
Q.
What is output for input "geeksquiz"?
  • a)
    geeksquizgeeksquiz
  • b)
    ziuqskeeg
  • c)
    geeksquiz
  • d)
    ziuqskeegziuqskeeg
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Consider the following pseudocode that uses a stackdeclate a stack of ...
Since the stack data structure follows LIFO order. When we pop() items from stack, they are popped in reverse order of their insertion (or push())
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Most Upvoted Answer
Consider the following pseudocode that uses a stackdeclate a stack of ...
"racecar"

The output will be "racecar" because the characters are pushed onto the stack in the same order as they are read, but they are then popped off the stack in reverse order, resulting in the original word being printed backwards. Since "racecar" is a palindrome (a word that is spelled the same way backwards as forwards), the output will be the same as the input.
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Consider the following pseudocode that uses a stackdeclate a stack of characterswhile (there are more characters in the word to read){read a characterpush the character on the stack}while ( the stack is not empty){pop a chatacher off the stackwrite the character to the screen}Q.What is output for input "geeksquiz"?a)geeksquizgeeksquizb)ziuqskeegc)geeksquizd)ziuqskeegziuqskeegCorrect answer is option 'B'. Can you explain this answer?
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