C++ program to accept array input and print using For loop

C++ program to accept array input and print using For loop

In this article, we will discuss the concept of C++ program to accept array input and print using For loop

In this post, we are going to learn how to write a program to read array input and print given elements of an array using for loop in C++ language

Code to read input and print of  array elements

Code to take input and print integer of an array using for loop

In this code, we are going to learn how to read integer array input given by user and print the them using for loop in C++ language

Program 1

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

int main()
{
    int i,len;
    //integer variable declaration
    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(numbers)
    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

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

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


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

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

Enter the array length: 5

Enter the marks marks[0]: 46
Enter the marks marks[1]: 78
Enter the marks marks[2]: 94
Enter the marks marks[3]: 36
Enter the marks marks[4]: 50


Display the marks

marks[0]=46
marks[1]: 78
marks[2]: 94
marks[3]: 36
marks[4]: 50

 

 

 

Code to take input and print String of an array using for loop

In this code, we are going to learn how to read string array input given by user and print  them using for loop in C++ language

Program 1

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

int main()
{
    string str[20];
    //Single D array declaration
    int len;//Declare variable for length
    cout<<"Enter array length\n";
    //Ask input from the user for length
    cin>>len;
//Reading the input for length
    cout<<"\nEnter students name\n";
    //Ask enter the student name
    for(int i=0; i<len; i++){
        cin>>str[i];
    }//Enter the students name using for loop

    cout<<"\nEntered students names are:\n";
    for(int i=0;  i<len; i++){
        cout<<str[i]<<"\n";
        //Display the students name
    }


    getch();
    return 0;
}

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

 

 

Program 2

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

int main()
{
    string str[20];
    //Single D array declaration
    int len;//Declare variable for length
    cout<<"Enter array length\n";
    //Ask input from the user for length
    cin>>len;
//Reading the input for length
    cout<<"\nEnter students name\n";
    //Ask enter the student name
    for(int i=0; i<len; i++){
        cout<<"Enter the string"<<" str=["<<i<<"]: ";
        cin>>str[i];
    }//Enter the students name using for loop

    cout<<"\nEntered students names are:\n";
    for(int i=0;  i<len; i++){
            cout<<"Your entered string is:"<<" str=["<<i<<"]: ";
        cout<<str[i]<<"\n";
        //Display the students name
    }
    getch();
    return 0;
}

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

 

Code to take input and print character of an array using for loop

In this code, we are going to learn how to read character array input given by user and print the them using for loop in C++ language

Program 1

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

int main()
{
    int i,len;
    //integer variable declaration
    cout<<"Enter the Array length: ";
    //request input for array length
      cin>>len;
      //Reading the input for array length
    char char_array[len];
//declare character Array
      cout<<"\n";
      //move to next line

       cout<<"Enter the characters for array :";
       //Request input for elements(numbers)
    for(i=0; i<len; i++){//input using for loop
      cin>>char_array[i];
      //Reading the array elements from user
    }
    cout<<"\ndisplay the characters\n";
      for(i=0; i<len; i++){//print elements using for loop
      cout<<char_array[i];
      cout<<("\n");
    }
getch();
    return 0;
}

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

Enter the array length:10

Enter the characters for array :Code4javac
display the characters

C
o
d
e
4
j
a
v
a
c

Program 2

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

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

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

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

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