Program to display series 1+3+5… and find sum Till given number

#include<stdio.h>
main()
{
int i,no,sum=0;
printf("Enter a number : ");
scanf("%d",&no);
i=1;
while(i<=no)
{
sum=sum+i;
printf("%d ",i);
i++;
printf("+ ");
}
printf("\nThe sum of this series is %d",sum);
}


OUTPUT:


Enter a number : 5
1 + 2 + 3 + 4 + 5 +
The sum of this series is 15