Write a c program to find out the sum of series 1 + 2 + …. + n.

Sum
of 1 + 2 + ….  + n series in c programming language




#include

int main(){



    int n,i;

    int sum=0;



    printf("Enter
the n i.e. max values of series: ");

    scanf("%d",&n);



    sum
= (n * (n + 1)) / 2;



    printf("Sum of
the series: ");



    for(i =1;i <=
n;i++){

         if (i!=n)

             printf("%d +
",i);

         else

             printf("%d =