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题解 | #2020年毕业的人中最喜欢用Java的用户#

print(Nowcoder[(Nowcoder["Graduate_year"]==2020) & (Nowcoder["Language"]=="Java")])

2022-08-10

1 320

题解 | #无环单链表插值#

/* * public class ListNode { * int val; * ListNode next = null; * public ListNode(int val) { * this.val = val; * } * } */ public ...

Java

2022-02-04

0 406

题解 | #顺时针旋转矩阵#

class Solution: def rotateMatrix(self, mat, n): # write code here res = [[[] for i in range(n)] for i in range(n)] for i in ra...

2021-08-30

0 334

题解 | #第一个只出现一次的字符#

class Solution: def FirstNotRepeatingChar(self, s): # write code here for x in s: if s.count(x) == 1: retur...

2021-08-27

0 338