Table of Contents
C++ program to take array input and print using do-while loop
In this article, we will discuss the concept of C++ program to accept array input and print using Do-While loop
In this post, we are going to learn how to write a program to read array input and print given elements in an array using do-while loop in C++ language
Code to read input and print of array elements
Code to take input and print integer of an array using do- while loop
In this code, we are going to learn how to read integer array input given by user and print the them using do-while 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 - one dimension
cout<<"\n";//move to next line
cout<<"Enter the Number for array :";
//Ask input for elements(marks)
i=0;
do{//takes input using for 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
#include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int i,len;//Variable declaration-integer
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 numbers "<<"num["<<i<<"] :";
cin>>num[i];
//Reading the array elements from user
i++;
}while( i<len);
cout<<"\ndisplay the numbers\n";
i=0;
do{//display elements using do-while loop
cout<<"num["<<i<<"] :"<<num[i];
cout<<("\n");
i++;
}while(i<len);
getch();
return 0;
}
When the above code is executed, it produces the following result
Enter the array length: 4 Enter the numbers num[0]: 6357 Enter the numbers num[1]: 8347 Enter the numbers num[2]: 9123 Enter the numbers num[3]: 4556 Display the numbers num[0]=6357 num[1]: 8347 num[2]: 9123 num[3]: 4556
Code to take input and print string of an array using do- while loop
In this code, we are going to learn how to read string array input given by user and print the them using do-while loop in C++ language
Program 1
#include <iostream>
#include <conio.h>
using namespace std;
int main()
{
string str[20];
int len;
cout<<"Enter array length\n";
cin>>len;
cout<<"\nEnter students name\n";
int i=0;
do{
cin>>str[i];
i++;
}while(i<len);
cout<<"\nEntered students names are:\n";
int j=0;
do{
cout<<str[j]<<"\n";
j++;
}while(j<len);
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];
int len;
cout<<"Enter array length\n";
cin>>len;
cout<<"\nEnter students name\n";
int i=0;
do{
cout<<"Enter the string"<<" str=["<<i<<"]: ";
cin>>str[i];
i++;
}while(i<len);
cout<<"\nEntered students names are:\n";
int j=0;
do{
cout<<"Your entered string is:"<<" str=["<<j<<"]: ";
cout<<str[j]<<"\n";
j++;
}while(j<len);
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 do- while loop
In this code, we are going to learn how to read character array input given by user and print the them using do-while loop in C++ language
Program 1
#include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int i,len;
//variable declaration for integer
cout<<"Enter the Array length: ";
//Request input for array length
cin>>len;
//Reading the input for array length
char char_array[len];
//character Array declaration
cout<<"\n";//move to next line
cout<<"Enter the characters for array :";
//Request input for elements(numbers)
i=0;
do{//input using for loop
cin>>char_array[i];
//Reading the array elements from user
i++;
}while(i<len);
cout<<"\ndisplay the characters\n";
i=0;
do{//display elements using for loop
cout<<char_array[i];
cout<<("\n");
i++;
} while(i<len);
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;
//variable declaration for 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
cout<<"\n";//move to next line
cout<<"Enter the characters for array :\n";
//Request input for elements(numbers)
i=0;
do{//input using for loop
cout<<"char_array["<<i<<"]:";
cin>>char_array[i];
//Reading the array elements from user
i++;
}while(i<len);
cout<<"\ndisplay the characters\n";
i=0;
do{//display elements using for loop
cout<<"char_array["<<i<<"]:"<<char_array[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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