retrait dossier sources recursivité

Recursivité/sources/escalier.py

@@ -1,31 +0,0 @@
-from functools import lru_cache
-from functools import cache
-
-@cache
-def steps_to(stair):
-    if stair == 1:
-        # You can reach the first stair with only a single step from the floor.
-        return 1
-
-    elif stair == 2:
-        # You can reach the second stair by jumping from the floor with a single two-stair hop or by jumping a single stair a couple of times.
-        return 2
-
-    elif stair == 3:
-        # You can reach the third stair using four possible combinations:
-        # 1. Jumping all the way from the floor
-        # 2. Jumping two stairs, then one
-        # 3. Jumping one stair, then two
-        # 4. Jumping one stair three times
-        return 4
-
-    else:
-        # You can reach your current stair from three different places:
-        # 1. From three stairs down
-        # 2. From two stairs down
-        # 2. From one stair down
-        # If you add up the number of ways of getting to those
-        # those three positions, then you should have your solution.
-        return steps_to(stair - 3) + steps_to(stair - 2) + steps_to(stair - 1)
-
-print(steps_to(35))