C++ | Addition or Sum of numbers in arrays

Introduction

This tutorial of c++ will show you to create a program of sum of numbers from arrays. The program below is given. The program is not extendable. Go enjoy the program. Lets begin………

Program to calculate the sum of arrays

#include<iostream.h>
#include<conio.h>
void main()
{
//clear the screen.
clrscr();
//declare variable type int
int a[10],i,sum=0;
//Input the two numbers save them in arrays.
//Here for loop is used to input multiple numbers in array.
for(i=0;i<5;i++)
{
cout<<“Enter the no.”<<endl;
cin>>a[i];
}
//add the arrays
for(i=0;i<5;i++)
sum=sum+a[i];
//show the sum
cout<<“Sum of arrays is “<<sum<<endl;
//get character
getch();
}

Output

Enter the no.
1
Enter the no.
2
Enter the no.
3
Enter the no.
4
Enter the no.
5
Sum of arrays is 15

How does it work

  1. You enter the number.
  2. The number is saved in respective array.
  3. The numbers from arrays are added.
  4. The sum is printed.

Extending it

The program cannot be extended.

Explanation.

  1. Include ‘iostream.h’ and ‘conio.h’ files.
  2. Add void main.
  3. Start program by first clearing the screen.
  4. Declare the variables as int (name them as you want.)
  5. Add the cout and cin of array.
  6. Add the arrays.
  7. Print the addition.

At the end

You learnt creating the C++ program of Addition or sum of numbers in array. So now enjoy the program.

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