VEDIO
THESE VIDEO HELP YOU HOW TO WRITE PROGRAM
Stack
Program #include<iostream> using namespace std; struct node { int data; node *next; }; class ListStack{ node *head; public: ListStack() { head=NULL; } void push(int info) { node *NewNode=new node; NewNode->data=info; NewNode->next=head; head=NewNode; } int pop() { if(IsEmpty()) { cout<<"Underflow occurs "; return NULL; } int info; node *cur=head; info=head->data; head=head->next; delete cur; return info; } int IsEmpty() { if(head==NULL) return 1; return 0; } }; int main() { ListStack s; s.push(20); cout<<s.pop(); cout<<s.pop(); }
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