C++, what is the output of the following code. //suppose that the input is: 31,

Question

C++, what is the output of the following code.

//suppose that the input is: 31, 47, 86, 39, 62, 71, 15, 63

stackType<int> stack(50);

int num;

while (cin){

if (!stack.isFullStack())

if (num % 2 == 0 || num % 3 == 0)

stack.push(num);

else if (!stack.isEmptyStack())

{

cout << stack.top() << " ";

stack.pop();

}

else

stack.push(num + 3);

}

cin >> num;

}

cout << endl;

cout << "Stack Elements: ";

while (!stack.isEmptyStack()){

cout << " " << stack.top();

stack.pop();

}

cout << endl;

}

Explanation / Answer

Output:

34

62

Stack Elements: 63 15 39 86

HOW?:

The Elements in the stack is : 63 15 39 86

Input: Result 31 As there are no elements in stack the number not divisible by 2 or 3 so it will be inserted as 31 + 3 = 34 47 47 not divisible by 2 or 3 and stack is not empty so 34 element will be removed 86 divisible by 2 so inserted into stack 39 divisible by 3 so inserted into stack 62 divisible by 2 so inserted into stack 71 not divisible by 2 or 3 and stack is not empty so last insreted element 62 will be removed 15 divisible by 3 so inserted into stack 63 divisible by 3 so inserted into stack

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