C program to find sum of odd numbers from 1 to n using for and if
#include<stdio.h>
int main()
{
int i,n,sum=0;
printf("Enter number for Odd number Sum: ");
scanf("%d",&n);
for(i=1;i<=n;i++)
{
if(i%2 != 0)
{
sum += i;
}
}
printf("Sum of Odd number: %d",sum);
return 0;
}
Output
Enter number for Odd number Sum: 7
Sum of Odd number: 16