vault backup: 2023-11-24 14:33:51

Algo/B2/Exercises/Repetitive tutorial.md

@@ -76,17 +76,15 @@ def power(x, n):
 ## Exercise 1.4
 
 ```python
-def fibo(n: int) -> int:
+def fibo(n):
-	a = 0
+	prev = 1 #f0
-	b = 1
+	cur = 1 #f1
-	c = 0
+	while n> 1:
-	i = 2
+		(prev, cur) = (cur, prev+cur)
-	while i <= n:
+		n -= 1
-		c = a + b
+	return cur
-		a = b
+# OR
-		b = c
+
-		i += 1
-	return b
 ```
 
 ## Exercise 1.5