how to approach problem of this kind?

general
,
1

I have came across this problem many time but never solved any. Can anyone tell me how to approach this kind of problems and under which tag I can find more problems of similar kind. Also provide links to some problems of this kind.

2

this program falls under the tag of simple if else conditions and iterations of loops.

  1. if n==1 BOB
  2. if n>1 search largest prime < n and so on…

links:

  1. https://www.codechef.com/MAY16/problems/LADDU/
  2. https://www.codechef.com/APRIL16/problems/COLOR/
  3. https://www.codechef.com/LOCFEB16/problems/CHOCOLAT/
    well i could remember only this many problems…
3

Check the comments under the editorial for this problem, you’ll find good explanation. You can find this type of problems under game-theory. This problem is basically based on observation. Hope this helps.

4

You can find such questions under Game theory tag here.
you can also try these 10 questions on hackerRank:

HackrRank