program to print the triangle value

83./*Write a program to print the triangle value*/

#include<stdio.h>

#include<conio.h>

main()

{

            int n,sum=0;

            clrscr();

            printf("Enter any value");

            scanf("%d",&n);

            while(n>0)

            {

            sum=sum+n;

            n--;

            }

            printf("Triangular value is %d",sum);

            getch();

}

OUTPUT

            Enter any value : 5

            Triangular  value is 15