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src/exercises/172.factorial-trailing-zeroes.py

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+# @leet imports start
+from string import *
+from re import *
+from datetime import *
+from collections import *
+from heapq import *
+from bisect import *
+from copy import *
+from math import *
+from random import *
+from statistics import *
+from itertools import *
+from functools import *
+from operator import *
+from io import *
+from sys import *
+from json import *
+from builtins import *
+import string
+import re
+import datetime
+import collections
+import heapq
+import bisect
+import copy
+import math
+import random
+import statistics
+import itertools
+import functools
+import operator
+import io
+import sys
+import json
+from typing import *
+
+# @leet imports end
+
+
+# @leet start
+class Solution:
+    def trailingZeroes(self, n: int) -> int:
+        if n < 5:
+            return 0
+        z = 5
+        c = 0
+        while z <= n:
+            c += n // z
+            z *= 5
+
+        return c
+
+
+# @leet end
+