Accept array input and print
Table of Contents
In this article, we will discuss the concept of C++ program to get array input and print using 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 while loop in C++ language
In this code, we are going to learn how to read integer array input given by user and print the them using 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: ";
//take input for array length
cin>>len;
//Reading the input from user for array length
int num[len];
//one dim Array declaration
cout<<"\n";//move to next line
cout<<"Enter the Number for array :";
//take 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 for loop
cout<<num[i];
cout<<("\n");
i++;
}
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 diclaration
cout<<"Enter the Array length: ";
//request input for array length
cin>>len;
//Reading the input for array length
int num[len];
//Array declaration - single dimension
cout<<"\n";//move to next line
i=0;
//Request input for elements(number)
while( i<len){//input using while loop
cout<<"Enter the marks "<<"marks["<<i<<"] :";
cin>>num[i];
//Reading the array elements from user
i++;
}
cout<<"\ndisplay the marks\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
Enter the array length: 5 Enter the marks marks[0] :456 Enter the marks marks[0] :712 Enter the marks marks[0] :984 Enter the marks marks[0] :376 Enter the marks marks[0] :512 Display the marks marks[0] :456 marks[0] :712 marks[0] :984 marks[0] :376 marks[0] :512
In this code, we are going to learn how to read string array input given by user and print the them using while loop in C++ language
Program 1
#include <iostream>
#include <conio.h>
using namespace std;
int main()
{
string str[20];
//String array declaration
int len;
//Variable declaration - integer
cout<<"Enter array length\n";
//Ask input for array length
cin>>len;
//Reading the array length
cout<<"\nEnter students name\n";
int i=0;
while(i<len){
cin>>str[i];
i++;
}//Enter the student name using while loop
cout<<"\nEntered students names are:\n";
int j=0;
while(j<len){
cout<<str[j]<<"\n";
j++;
}// Display the student name using while loop
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];
//String array declaration
int len;
//Variable declaration - integer
cout<<"Enter array length\n";
//Ask input for array length
cin>>len;
//Reading the array length
cout<<"\nEnter students name\n";
int i=0;
while(i<len){
cout<<"Enter the string"<<" str=["<<i<<"]: ";
cin>>str[i];
i++;
}//Enter the student name using while loop
cout<<"\nEntered students names are:\n";
int j=0;
while(j<len){
cout<<"Your entered string is:"<<" str=["<<j<<"]: ";
cout<<str[j]<<"\n";
j++;
}// Display the student name using while loop
getch();
return 0;
}
When the above code is executed, it produces the following result
Enter the array length: 5 Enter students name Enter the string str[0] :Kumuthini Enter the string str[1] :Mahilini Enter the string str[2] :Nimalini Enter the string str[3] :Sutharsini Enter the string str[4] :kegini Entered students names are: you entered string is: str[0] :Kumuthini you entered string is: str[1] :Mahilini you entered string is: str[2] : Nimalini you entered string is: str[3] :Sutharsini you entered string is: str[4] :kegini
In this code, we are going to learn how to read character array input given by user and print the them using while loop in C++ language
Program 1
#include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int i,len;
//variable declaration for integr
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;
while(i<len){//input using while loop
cin>>char_array[i];
//Reading the array elements from user
i++;
}
cout<<"\ndisplay the characters\n";
i=0;
while(i<len){//display elements using while loop
cout<<char_array[i];
cout<<("\n");
i++;
}
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;
while(i<len){//input using while loop
cout<<"char_array["<<i<<"]:";
cin>>char_array[i];
//Reading the array elements from user
i++;
}
cout<<"\ndisplay the characters\n";
i=0;
while(i<len){//display elements using while loop
cout<<"char_array["<<i<<"]:"<<char_array[i];
cout<<("\n");
i++;
}
getch();
return 0;
}
When the above code is executed, it produces the following result
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