Find the summation of odd numbers

#include<stdio.h>

#include<conio.h>

void main()

{

int i,n,s;

clrscr();

printf("Input values::");

scanf("%d",&n);

s=0;

for (i=1;i<=n;i++)

if(i%2!=0)

s=s+i;

printf("Result=%d",s);

getch();

}