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全部文章（共27篇）

题解 | 牛牛学数列2

n=int(input()) def sum(n): if n==1: return 1 else: return sum(n-1)+1/n print(f'{sum(n):.6f}')

2025-11-13

0 14

题解 | 牛牛学数列

n=int(input()) def sum(n): if n==1: return 1 else: return sum(n-1)+(-1)**(n-1)*n print(sum(n))

2025-11-13

0 17

题解 | 素数判断

num = int(input()) for _ in range(num): x = int(input()) if x < 2: print('No') elif x == 2: print('Yes') elif x % ...

2025-11-13

0 15

题解 | 多组数据a+b III

while 1: x, y = map(int, input().split()) if x==0 and y==0: break print(x + y)

2025-11-13

0 12

题解 | 四季

num=input() season=int(num[-2]+num[-1]) if season<3 or season==12: print('winter') elif season>=3 and season<=5: print('spring') elif...

2025-11-13

0 10

题解 | 最大最小值

import math num=[int(i) for i in input().split()] print(f'The maximum number is : {max(num)} \nThe minimum number is : {min(num)}')

2025-11-13

0 11

题解 | 牛牛是否被叫家长

num=[int(i) for i in input().split()] avg=(num[0]+num[1]+num[2])/3 if avg >= 60: print("NO") else: print("YES")

2025-11-13

0 13

题解 | 卡拉兹函数

num=int(input()) if num%2==0: num=num/2 else: num=num*3+1 print(int(num))

2025-11-13

1 19

题解 | 比大小

num=[int(i) for i in input().split()] if num[0]>num[1]: print('>') elif num[0]<num[1]: print('<') else: print('=')

2025-11-13

0 15

题解 | 时间转换

num=int(input()) h=0 m=0 s=0 for i in range(3): h=num//3600 m=(num-3600*h)//60 s=(num-3600*h)%60 if h == 0: m=num//60 ...

2025-11-12

0 13