lee≤e

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题解 | #最大公约数#

#辗转相除法 class Solution: def gcd(self , a: int, b: int) -> int: # write code here mini=max(a, b) mini1=min(a, b) ...

Python3

2022-04-18

0 264

题解 | #判断是否为回文字符串#

#和NC103一样,切片，[开始:结束:步长]直接反转看是否相等 class Solution: def judge(self , str: str) -> bool: # write code here res=str[::-1] if...

Python3

2022-04-18

0 245

题解 | #反转字符串#

#切片可太好用了,[开始:结束:步长] class Solution: def solve(self , str: str) -> str: # write code here if str=="": return "" ...

Python3

2022-04-18

0 260

题解 | #旋转字符串#

#切片然后连接看连接后的字符串是不是和字符串B一样 class Solution: def solve(self , A: str, B: str) -> bool: # write code here if len(A)!=len(B): ...

Python3

2022-04-18

0 247

题解 | #移动 0#

#啊这啊这,直接遍历，遇到0 remove删除，后在列表尾append class Solution: def moveZeroes(self , nums: List[int]) -> List[int]: # write code here for...

Python3

2022-04-18

2 413

题解 | #懂二进制#

#想着把两个数字转为二进制字符串然后拿出长度最短的那个与最长的每一位做比较，最后加上长度差，但是只能a到6/10 数据 16807,282475249出错，GG # l1 = bin(m) # l2 = bin(n) # l3 = min(l1, l2...

Python3

2022-04-18

0 478

题解 | #判断字符是否唯一#

class Solution: def isUnique(self , str: str) -> bool: # write code here for i in str: if str.count(i)>1: ...

Python3

2022-04-18

0 261

题解 | #最长公共前缀#

#找出最长和最短的两个字符串比较这俩的前i位是否相同 class Solution: def longestCommonPrefix(self , strs: List[str]) -> str: # write code here if not str...

Python3

2022-04-17

5 345

题解 | #求平方根#

#啊这，取个巧，直接import from math import mysqrt as sq class Solution: def mysqrt(self , x: int) -> int: # write code here return int(s...

Python3

2022-04-17

0 273

题解 | #在行列都排好序的矩阵中找指定的数#

class Solution: def FirstNotRepeatingChar(self , str: str) -> int: # write code here for i in str: if str.count(i)=...

Python3

2022-04-17

0 213