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题解 | #删除记录（一）#

delete from exam_record where score<60 and (UNIX_TIMESTAMP(submit_time)-UNIX_TIMESTAMP(start_time))/60 <5

Mysql

2021-12-29

0 451

题解 | #获取有奖金的员工相关信息。#

select a.emp_no,a.first_name,a.last_name,b.btype,c.salary,replace(format((b.btype*c.salary/10),1),',','') as bonus from employees a,emp_bonus b,salari...

Mysql

2021-12-29

0 259

题解 | #KiKi去重整数并排序#

n=input() nums=input().split(" ") nums_list=list(map(int,nums)) nums_list.sort() for i in range(len(nums_list)): if i<len(nums_list)-1 and nums...

Python3

2021-12-19

1 404

题解 | #小乐乐与序列#

while True: try: nums_list=[] n=input() for i in range(int(n)): nums=input() nums_list.append(int(...

Python3

2021-12-19

0 417

题解 | #小乐乐走台阶#

def steps(n): if n==1: return 1 elif n==2: return 2 else: return steps(n-1)+steps(n-2) n=input() print(steps(int(n...

Python3

2021-12-19

2 406

题解 | #上三角矩阵判定#

注意类型 n=input() matrix_list=[] for i in range(int(n)): matrix_val=input().split(" ") matrix_list.append(matrix_val) flag=True for i in range(in...

Python3

2021-12-19

0 365

题解 | #最高身高#

num=input().split(" ") n,m=map(int,num) matrix_list=[] for i in range(n): matrix_val=input().split(" ") matrix_list.append(matrix_val) max_val...

Python3

2021-12-19

0 380

题解 | #序列重组矩阵#

num=input().split(" ") n,m=map(int,num) matrix_val=input().split(" ") for i in range(n): for j in range(m): print(matrix_val[i*m+j],end=" ...

Python3

2021-12-19

0 466

题解 | #矩阵元素定位#

index值注意减一 num=input().split(" ") n,m=map(int,num) matrix_list=[] for i in range(n): matrix_val=input().split(" ") matrix_list.append(matrix_v...

Python3

2021-12-19

0 308

题解 | #班级成绩输入输出#

for i in range(5): num=input().split(" ") nums=list(map(float,num)) print("{:.1f} {:.1f} {:.1f} {:.1f} {:.1f} {:.1f}".format(nums[0],nums[...

Python3

2021-12-19

0 397