C++ program to read and print elements of an one dim array

C++ program to read and print elements of an one dimensional array

In this tutorial, we will discuss the concept of C++ program to read and print elements a one dimensional array

In this topic, we are going to learn how to read and print elements of one dimensional array in C++ programming language

using loops

We have already discuss “What is an array“, “type of arrays” and “how to access it”

Arrays are the special type of variables to store Multiple type of values(int, string,char, etc)under the same name in the continuous memory location. we can be easily accessed through the indices(indexes)

Here,

• e1,e2,e3,e4 and e5 represent the elements of the array
• 0,1,2,3 and 4 represent the index of the array which is used to access the array elements
• 1,2,3,4 and 5 represent the length of an array

 

Code to read and print elements in an one dim array

Read and print elements Using for loop

In this program, we are briefing input elements in an array and then print them using for loop in C++ language

Program 1

#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
    int i,len;
    cout<<"Enter the Array length: ";
    //Ask input for array length
      cin>>len;
      //Reading the input for array length
    int num[len];
//Array declaration
      cout<<"\n";//move to next line

       cout<<"Enter the Number for array :";
       //Ask input for elements(marks)
    for(i=0; i<len; i++){//input using for loop
      cin>>num[i];
      //Reading the array elements from user
    }
    cout<<"\ndisplay the number\n";
      for(i=0; i<len; i++){//display elements using for loop
      cout<<num[i];
      cout<<("\n");
    }
getch();
    return 0;
}

When the above code is executed, it produces the following result

Program 2

In this program, we are briefing input elements in an array and then print them using for loop in C++ language

#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
    int i,len;
    cout<<"Enter the Array length: ";
    //Ask input for array length
      cin>>len;
      //Reading the input for array length
    int num[len];
//Array declaration
      cout<<"\n";//move to next line


       //Ask input for elements(marks)
    for(i=0; i<len; i++){//input using for loop
            cout<<"Enter the number "<<"num["<<i<<"] :";
      cin>>num[i];
      //Reading the array elements from user
    }
    cout<<"\ndisplay the number\n";
      for(i=0; i<len; i++){//display elements using for loop
      cout<<"marks["<<i<<"] :"<<num[i];
      cout<<("\n");
    }
getch();
    return 0;
}

When the above code is executed, it produces the following result

 

Read and print elements Using while loop

In this program, we are briefing input elements in an array and then print them using while loop in C++ language

Program 1

#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
    int i,len;
    cout<<"Enter the Array length: ";
    //Ask input for array length
      cin>>len;
      //Reading the input for array length
    int num[len];
//Array declaration
      cout<<"\n";//move to next line

       cout<<"Enter the Number for array :";
       //Ask input for elements(marks)
       i=0;
    while(i<len){//input using while loop
      cin>>num[i];
      //Reading the array elements from user
      i++;
    }
    cout<<"\ndisplay the number\n";
    i=0;
      while(i<len){//display elements using while loop
      cout<<num[i];
      cout<<("\n");
      i++;
    }
getch();
    return 0;
}

When the above code is executed, it produces the following result

Program 2

In this program, we are briefing input elements in an array and then print them using while loop in C++ language

#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
    int i,len;
    cout<<"Enter the Array length: ";
    //Ask input for array length
      cin>>len;
      //Reading the input for array length
    int num[len];
//Array declaration
      cout<<"\n";//move to next line

i=0;
       //Ask input for elements(number)
    while( i<len){//input using while loop
            cout<<"Enter the number "<<"num["<<i<<"] :";
      cin>>num[i];
      //Reading the array elements from user
       i++;
    }
    cout<<"\ndisplay the number\n";
    i=0;
      while(i<len){//display elements using while loop
      cout<<"marks["<<i<<"] :"<<num[i];
      cout<<("\n");
      i++;
    }
getch();
    return 0;
}

When the above code is executed, it produces the following result

 

Read and print elements Using do-while loop

In this program, we are briefing input elements in an array and then print them using do-while loop in C++ language

Program 1

#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
    int i,len;
    cout<<"Enter the Array length: ";
    //Ask input for array length
      cin>>len;
      //Reading the input for array length
    int num[len];
//Array declaration
      cout<<"\n";//move to next line

       cout<<"Enter the Number for array :";
       //Ask input for elements(marks)
       i=0;
    do{//input using do-while loop
      cin>>num[i];
      //Reading the array elements from user
      i++;
    }while(i<len);
    cout<<"\ndisplay the number\n";
    i=0;
      do{//display elements using do-while loop
      cout<<num[i];
      cout<<("\n");
      i++;
    }while(i<len);
getch();
    return 0;
}

When the above code is executed, it produces the following result

 

Program 2

In this program, we are briefing input elements in an array and then print them using do-while loop in C++ language

#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
    int i,len;
    cout<<"Enter the Array length: ";
    //Ask input for array length
      cin>>len;
      //Reading the input for array length
    int num[len];
//Array declaration
      cout<<"\n";//move to next line

i=0;
       //Ask input for elements(number)
    do{//input using do-while loop
            cout<<"Enter the number "<<"num["<<i<<"] :";
      cin>>num[i];
      //Reading the array elements from user
       i++;
    }while( i<len);
    cout<<"\ndisplay the number\n";
    i=0;
      do{//display elements using do-while loop
      cout<<"marks["<<i<<"] :"<<num[i];
      cout<<("\n");
      i++;
    }while(i<len);
getch();
    return 0;
}

When the above code is executed, it produces the following result

 

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