[16 / 2 / ?]

Solve this brainlets

No.826576 ViewReplyOriginalReport
Let a language L and L5 such that L5 is a subset of L containing words of L where the length is superior or equal to 5:
L5={w in L, |w| >= 5}
1.prove that if L is in P then L5 is also in P
2.prove that if L is in NP then L5 is also in NP