# include <stdio.h> void main(){int i, s, n;printf ("Enter Last Term "); scanf(“%d”, &n);s

# include <stdio.h> void main(){int i, s, n;printf ("Enter Last Term "); scanf(“%d”, &n);s - চর্চা

# include <stdio.h> void main()
{
int i, s, n;
printf ("Enter Last Term "); scanf(“%d”, &n);
s = 0;
for ( i = 1; i<=n; i = i + 3 ) s = s+i;
printf ("Summation = %d", s );
}