Data Structure

First lesson in DataStructure

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Stack

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  STACK >> stack is a linear Data Structure . i.e the data elements organised in sequential order like array. >> Stack is a static data structure, i.e it will stare limit elements. >>It is based on array concept. >>Stack is called FILO( first in last out ) i.e that elements which are inserted first displays last (or) LIFO( last in first out )i.e the elements which are inserted last displays first. TERMINOLOGY OF STACK >>Top of stack >>Over flow >>Under flow >>In stack insertion ,deletion will be held at only on end called 'Top' of stack. >>If stack is full, when you call member function push( ),if will display o/pas over flow. >>If stack is empty ,when you call member function pop( ),it will display o/p as under flow Functions of STACK 1.push() 2.pop() 3.show() 4.quit() Push():- It is a Member-function of a stack which is used to insert a new element, into stack . pop ():-It is a Member function, which is used to delet...
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Single dimensional array

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Single Dimensional Array A list of items can be given one variable name using only one subscript and such a variable is called a single-subscripted variable or a one dimensional array. Declaration Like any other variable, array must be declared before they are you used. The general form of Array declaration is  Syntax:- Data_type array_name[size of array]; Ex:-int num[10]; >> the data type specifies the type of an element that you will be contained in the array such as int, float ,or char. >>The size indicate the maximum number of elements that can be stored inside the array. >> The size of Array should be constant value. Example:- float ht[20]; ->>declares the height to be an array containing 20 real elements. int group[15]; ->>declares the group as an array to contain a maximum of 15 integers constant . char ch[12]; ->>declares the ch as a character array (string) variable that can hold a maximum of 12 characters. Ex:-int num[10]; Memory alloca...
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Printing_love_patterns💝

💝1.First  pattern💝 Output: Heart symbol .. #include<iostream.h> #include<conio.h> int main() { int i,j,a,b; clrscr(); for(j=1;j<=3;j++) { for(i=1;i<=20;i++) { if(i>=4-j&&i<=6+j||i>=15-j&&i<=17+j) {cout<<"$";} else cout<<" "; } cout<<endl; } for(a=1;a<=11;a++) { for(b=1;b<=20;b++) { if(b>=a-1&&b<=21-a) { cout<<"$"; } else cout<<" "; } cout<<endl; } getch(); } 💥💥2.Printing 💝hearts in 💟heart shape💥💥 2nd output: Printing 💝in heart shape #include<iostream.h> #include<conio.h> int main() { int i,j,a,b; clrscr(); for(j=1;j<=3;j++) { for(i=1;i<=20;i++) { if(i>=4-j&&i<=6+j||i>=15-j&&i<=17+j) {cout<<"💝";} else cout<<"  "; } cout<<endl; } for(a=1;a<=11;a++) { for(b=1;b<=20;b++) { if(b...
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