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Copy pathDelete middle element of a stack.cpp
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Delete middle element of a stack.cpp
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//{ Driver Code Starts
// Initial template for C++
#include <bits/stdc++.h>
using namespace std;
// } Driver Code Ends
// User function template for C++
class Solution
{
public:
// Function to delete middle element of a stack.
void deleteMiddle(stack<int> &s, int k)
{
if (k == 1)
{
s.pop();
return;
}
int temp = s.top();
s.pop();
deleteMiddle(s, k - 1);
s.push(temp);
return;
}
void deleteMid(stack<int> &s, int sizeOfStack)
{
int mid = sizeOfStack / 2 + 1;
deleteMiddle(s, mid);
}
};
//{ Driver Code Starts.
int main()
{
int t;
cin >> t;
while (t--)
{
int sizeOfStack;
cin >> sizeOfStack;
stack<int> myStack;
for (int i = 0; i < sizeOfStack; i++)
{
int x;
cin >> x;
myStack.push(x);
}
Solution ob;
ob.deleteMid(myStack, myStack.size());
while (!myStack.empty())
{
cout << myStack.top() << " ";
myStack.pop();
}
cout << endl;
}
return 0;
}
// } Driver Code Ends