如何使用 Python 运算符进行性能优化 All In One
为什么 Python 运算符 // 比 运算符 / 性能更好，运行速度更快呀❓
Why Python operator // is faster than operator /
demos
class Solution:
def numberOfSteps(self, num: int) -> int:
steps: int = 0
while num > 0:
steps += 1
# num % 2 == 1
if(num % 2):
# 为什么 Python 运算符 // 比 运算符 / 性能更好，运行速度更快呀❓
num -= 1
else:
num //= 2
return steps
"""
Runtime
Details
36ms
Beats 93.99%of users with Python3
Memory
Details
15.97mb
Beats 99.95%of users with Python3
"""
https://leetcode.com/problems/number-of-steps-to-reduce-a-number-to-zero/submissions/