Finding the sum of first `n`

numbers is very easy, User gives a number then the program returns the sum of numbers. For example take number : 5, Sum of first 5 numbers is: 15.

### Sum of First n Numbers using C

#include<stdio.h> #include<conio.h> void main() { int i, n, a=0; clrscr(); printf("\nSum of a given number"); printf("\nEnter a Number:"); scanf("%d",&n); for(i=1;i<=n;i++) { a=a+i; } printf("Sum of first %d numbers is: %d", n,a); getch(); }

### Sum of First n numbers using C++

#include<iostream.h> #include<conio.h> void main() { int n, a=0; clrscr(); cout<<"\nSum of a given number"; cout<<"\nEnter a Number:"; cin>>n; for(int i=1;i<=n;i++) { a=a+i; } cout<<"Sum of first "<<n<<" numbers is: "<<a; getch(); }

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