Array in C++

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 Array:  

Array in C++
Array is defined as an ordered list of homogeneous data element.
  • May be of type int, float,char or double 
  • All these element are stored in consecutive memory locations
  • An array is described by a single name or an identifier and each element in an array is referenced by a subscript  enclosed  in a pair of square brackets

Syntax:

            type variable_name[lengthofarry];


Program: Write a program take input and display the element using array in cpp.
Code:
#include<
iostream>
using namespace std;
int main()
{
int i,arr[100],no;
cout<<"Enter the number of element (less than 100)";
cin>>no;
for(i=0;i<no;i++)
{
cout<<"Enter the element at"<<i <<" place";
cin>>arr[i];
}
cout<<"Elemen in the arry is :";
i=0;
while(i<no)
{
cout<<"\n"<<arr[i];
i++;
}
}

Ouput:
Enter the number of element (less than 100)5
Enter the element at0 place15
Enter the element at1 place20
Enter the element at2 place25
Enter the element at3 place30
Enter the element at4 place35
Elemen in the arry is :
15
20
25
30
35
--------------------------------          

Program:  Write a program to count the occurrence of Lowercase characters,                            Uppercase characters, Special characters, and Numeric values.
Code:
#include<iostream>
using namespace std;
int main()
{
char  str[100]; 
int i ,digit=0,Upper_case=0,special=0,Lower_case=0 ,count=0;
cout<<"Enter the string :";
gets(str);
cout<<str;
for(i=0;str[i]!='\0';i++)
{
count++;
}
i=0;
while(str[i]!='\0')
{ if(str[i]>='0' && str[i]<='9')
{
digit++;
}
if(str[i]=='@' ||str[i]=='#' ||str[i]=='$' ||str[i]=='%'||str[i]=='^'||str[i]=='&')
{
special++;
}
if((str[i]>='a'&&str[i]<='z'))
{
Lower_case++;
}
if(str[i]>='A' &&str[i]<='Z')
{
Upper_case++;
}
i++;
}
cout<<"\nThe number of uppper case is:"<<Upper_case;
cout<<"\nThe number of lower case is:"<<Lower_case;
cout<<"\nThe number of special symbol is :"<<special;
cout<<"\n The nuber of didgt is:"<<digit;
}

Output:
Enter the string :rajanshukla0402@gmail
rajanshukla0402@gmail
The number of uppper case is:0
The number of lower case is:16
The number of special symbol is :1
 The nuber of didgt is:4
--------------------------------------   

Program: Write a program to arrange the n. numbers stored in the array in ascending  order in Cpp.
Code:
#include<iostream>
using namespace std;
int main()
{5
int i,j, no,temp, a[100];
cout<<"Enter the number of element";
cin>>no;
for(i=0;i<no;i++)
{
cout<<"Enter the element at "<<i<<" p ";
cin>>a[i];
}
for(i=0;i<no;i++)
{
for(j=i+1;j<no;j++)
{
if(a[i]>a[j])
{
temp=a[i];
a[i]=a[j];
a[j]=temp;
}
}
}
cout<<"\n\n number are in ascending order";
for(i=0;i<no;i++)
{
cout<<"\n Enter the element at "<<i<<" place "<<a[i];
}
}
Output:
Enter the number of element5
Enter the element at 0 place 16
Enter the element at 1 place 14
Enter the element at 2 place 18
Enter the element at 3 place 13
Enter the element at 4 place 56


 number are in ascending order
 Enter the element at 0 place 13
 Enter the element at 1 place 14
 Enter the element at 2 place 16
 Enter the element at 3 place 18
 Enter the element at 4 place 56
---------------------------------------------

Program:
#include<iostream>
using namespace std;

int main()
{
int i,j, no,temp, a[100];
cout<<"Enter the number of element";
cin>>no;
for(i=0;i<no;i++)
{
cout<<"Enter the element at "<<i<<" place ";
cin>>a[i];
}
for(i=0;i<no;i++)
{
for(j=i+1;j<no;j++)
{
if(a[i]<a[j])
{
temp=a[i];
a[i]=a[j];
a[j]=temp;
}
}
}
cout<<"\n\n number are in desending order";
for(i=0;i<no;i++)
{
cout<<"\n Enter the element at "<<i<<" place "<<a[i];
}


}

Output:
Enter the number of element5
Enter the element at 0 place 16
Enter the element at 1 place 19
Enter the element at 2 place 78
Enter the element at 3 place 98
Enter the element at 4 place 32


 number are in desending order
 Enter the element at 0 place 98
 Enter the element at 1 place 78
 Enter the element at 2 place 32
 Enter the element at 3 place 19
 Enter the element at 4 place 16
--------------------------------------------------------




















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