~cpp #include <iostream> using namespace std; void menu(); void push(); void pop(); void show(); void exit(); int arr[10]; int i=0; int k=0; int main() { menu(); return 0; } void menu() { cout << ".\n" "1. 2. 3. 기 4. 기 \n" " : "; int input; cin >> input; switch(input) { case 1: push(); break; case 2: pop(); break; case 3: show(); break; case 4: exit(); break; } } void push() { cout << " 값 : "; cin >> arr[i]; cout << arr[i] << "" << endl; i++; menu(); } void pop() { cout << arr[k] << " " << endl; k++; menu(); } void show() { for(int j=i-1; j>=k; j--) cout << arr[j] << endl; menu(); } void exit() { return; }