Friday, 28 October 2016
Stack is an ordered list of similar data typTe. Stack is a LIFO structure. (Last in First out).
LIFO=TOP stack works at top .
TWO part of stack is push and pop
POP();
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POP();
CODE PUSH POP WITH C++
LIFO=TOP stack works at top .
TWO part of stack is push and pop
push();
pop();
POP();
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----------------------------------------------------------------------------------------------
POP();
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| /****************************************************** | |
| QUEUE C++ | |
| AUTHOR URI:https://mostafa.itnishi.com | |
| ******************************************************/ | |
| #include<iostream> | |
| #include<conio.h> | |
| using namespace std; | |
| int top=-1, z[5]; | |
| void push(int value) | |
| { | |
| if(top==4) | |
| { | |
| cout<<"\n Stack is Full or overflow!\n"; | |
| } | |
| else | |
| { | |
| top++; | |
| z[top]=value; | |
| } | |
| } | |
| void pop() | |
| { | |
| if(top==-1) | |
| { | |
| cout<<"n stack is Empty or underflow!\n"; | |
| } | |
| else | |
| { | |
| top--; | |
| } | |
| } | |
| void display() | |
| { | |
| if(top==-1) | |
| { | |
| cout<<"\n nothing to display !\n"; | |
| } | |
| else | |
| { | |
| cout<< "\n array is : \n"; | |
| for(int i=0;i<=top;i++) | |
| { | |
| cout<<"\t"<<z[i]; | |
| } | |
| } | |
| } | |
| int main() | |
| { | |
| int value, choice; | |
| do{ | |
| cout<<"\n 1.push \n 2.pop \n 3.display \n 4.exit\n \n input choice: "; | |
| cin>>choice; | |
| if(choice==1) | |
| { | |
| cout<<"\n enter a value"; | |
| cin>> value; | |
| push(value); | |
| } | |
| if(choice==2) | |
| { | |
| pop(); | |
| } | |
| if(choice==3) | |
| { | |
| display(); | |
| } | |
| } | |
| while(choice!=4); | |
| cout<<"\n\n\n Existing......\n"; | |
| getch(); | |
| return 0; | |
| } |
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