Write a program for the following

Question

450 members are in a circle .if the 1st person kills 2nd one and gives a sword to 3rd one &3rd kills 4th &gives it to 5th.
who (which number) will remain at last ??
write a program for above data.....

Answer 1

I think that is your homework, not ours. If you want help, describe what you have done so far and what is your problem in detail or publish your code at the playground.