# C++ Program to Find Sum of n Natural Numbers using For loop

*Sum of n Natural Numbers using For loop*

*Sum of n Natural Numbers using For loop*

Write a C++ Program to Find Sum of n Natural Numbers using For loop. Here’s simple C++ Program to Find Sum of n Natural Numbers using For loop in C++ Programming Language.

*Numbers in C++*

*Numbers in C++*

Normally, when we work with Numbers, we use primitive data types such as int, short, long, float and double, etc. The number data types, their possible values and number ranges have been explained while discussing C++ Data Types.

Here is source code of the C++ Program to Find Sum of n Natural Numbers using For loop. The C++ program is successfully compiled and run(on Codeblocks) on a Windows system. The program output is also shown in below.

**SOURCE CODE : :**

**SOURCE CODE : :**

/* C++ Program to Find Sum of n Natural Numbers using For loop */ #include<iostream> using namespace std; int main() { int i,n,sum=0; cout<<"\nHow many numbers u want :: "; cin>>n; for(i=1;i<=n;++i) { sum+=i; } cout<<"\nSum of first [ "<<n<<" ] Numbers are = "<<sum<<"\n"; return 0; }

**OUTPUT : :**

**OUTPUT : :**

/* C++ Program to Find Sum of n Natural Numbers using For loop */ How many numbers u want :: 10 Sum of first [ 10 ] Numbers are = 55 Process returned 0

Above is the source code for C++ Program to Find Sum of Natural Numbers using For loop which is successfully compiled and run on Windows System.The Output of the program is shown above .

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