Determine the time complexity for f1 and fr: 1def f1(n):2if n <= 1:3return 14else:return f1(n - 1) + f1(n - 2)67def fr(n):[0 for i in range(n + 1)]for i in range(n + 1):8t910if i <= 1:11t[i]= 112else:13t[i]t[n - 1] + t[n - 2]14return t[n]15

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Determine the time complexity for f1 and fr:

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Determine the time complexity for f1 and fr:

1
def f1(n):
2
if n <= 1:
3
return 1
4
else:
return f1(n - 1) + f1(n - 2)
6
7
def fr(n):
[0 for i in range(n + 1)]
for i in range(n + 1):
8
t
9
10
if i <= 1:
11
t[i]
= 1
12
else:
13
t[i]
t[n - 1] + t[n - 2]
14
return t[n]
15

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