#include <stdio.h> #include <stdint.h> #include <string.h> #include <cstdlib> #define MAX 10 void process_stack(int n) { int stack[MAX]; int top = -1; while (n--) { char operation[10]; scanf("%s",operation); if (!strcmp(operation,"push")) { int value; scanf("%d",&value); if (top < MAX - 1) { stack[++top] = value; } else { printf("Stack Overflow\n"); } } else if (!strcmp(operation,"pop")) { if (top >= 0) { printf("%d\n", stack[top--]); } else { printf("Stack Underflow\n"); } } } } int main() { int n; scanf("%d", &n); getchar(); // Consume newline after number process_stack(n); return 0; }
Test Cases
Test Results
Input
5 push 10 push 20 pop pop pop
Expected Output
20 10 Stack Underflow