Program to display series and find sum of 1+3+5+……..+n.

#include
#include

void main()
{
int n,i,sum=0;
clrscr();
printf("Enter any no: ");
scanf("%d",&n);
for(i=1;i
{
printf("%d+",i);
sum=sum+i;
}
printf("%d",n);
printf("\nsum=%d",sum+n);
getch();
}


Output:

      Enter any no: 7
      1+3+5+7
      Sum=16