Code:
#include<iostream> #include<cstdlib> using namespace std; class stack{ public : int size, top, s[]; stack(int s){ size = s; top = 0; } void push(char c){ if(top==(size - 1)){ cout<<"Stack overflow\n"; exit(1); } else{ s[++top] = c; } } char pop(){ if(top == -1){ cout<<"Stack underflow\n"; exit(1); } return s[top--]; } }
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