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题解 | #合并两个有序的数组#

很容易就能想到插入排序，b 数组的每个元素插入到 a 数组中

2022-06-02

0 323

题解 | #【模板】栈#

PYTHON class BinarySearch: def erfen(self,ls,left,right,val): if left <= right: mid = (left + right) // 2 if val == ls[mid]: return mid elif val &l...

Python3

2022-06-01

0 484

题解 | #扭蛋机#

def egg(n): str_word = '' if n == 1: return '2' elif n == 2: ...

2022-05-24

0 347

题解 | #循环汉诺塔#

def b_hanoi(n): if n == 1: return 1 return 2*c_hanoi(n-1) + 1 def c_hanoi(n): i...

2022-05-24

0 333

题解 | #【模板】栈#

stack_list = [] 判断是否为空 def IsEmpty(num_list): if num_list == []: return True else: return False result_list =[] num_count = int(input()) while num_cou...

Python3

2022-04-21

2 418

题解 | #分组过滤练习题#

select university, avg(question_cnt) as avg_question_cnt, avg(answer_cnt) as avg_answer_cnt from user_profile group by university having avg_question_...

Mysql

2022-03-31

0 225