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题解 | 查询结果限制返回行数

select device_id from user_profile limit 2

2025-07-18

1 31

题解 | 查询结果去重

select distinct university from user_profile

2025-07-18

1 38

题解 | 查询多列

select device_id,gender,age,university from user_profile

2025-07-18

1 28

题解 | 查询所有列

@烤点老白薯(637174235)我要开始刷SQL了，准备按顺序刷五百道，白薯哥来吗 SELECT * FROM user_profile

2025-07-18

1 42

题解 | 牛牛的数学作业

from sys import stdin,stdout,setrecursionlimit from math import * from functools import * from bisect import bisect_left input = stdin.readline # prin...

2025-07-17

1 33

题解 | 左侧严格小于计数

from sys import stdin from bisect import bisect_left input = stdin.readline class BIT: def __init__(self, size): self.n = size se...

2025-07-17

1 37

题解 | 神秘石像的镜像序列

很难不忍住一句话@烤点老白薯(637174235) print(" ".join(reversed(input().split()[:-1])))

2025-07-17

1 28

题解 | 二维斐波那契数列

写个最暴力的记忆化搜索爽一下 from sys import stdin,stdout,setrecursionlimit from math import * from functools import * input = stdin.readline print = stdout.write ...

2025-07-17

1 34

题解 | 牛牛学数列6

懒得写矩阵快速幂了 n = int(input()) a,b,c = 1,1,0 for _ in range(n-3): a,b,c = a+2*b+c,a,b print(a)

2025-07-16

1 24

题解 | 牛牛数数

别用我这种做法 for i in range(1,int(input())+1): if i % 4 != 0 and "4" not in str(i): print(i)

2025-07-16

1 27