Show the time complexities of these two in details please.

def mistery4(n): for i in range(1, n+1): x=n while x>0: for: n. A (n) B (n?) C (1) Din log n) X = i def mistery5(n): n for i in range(1, n+1): x=i delta = 1 / 1 while x>0: X-= delta A O(n) B (n?) C (1) D (n log n)