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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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