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题解 | 成绩

import math import sys a, b, c = map(int, input().split()) s = a * 0.2 + b * 0.3 + c * 0.5 print(math.floor(s))

2025-07-01

0 24

题解 | 牛牛学立体

import sys a, b, c = map(int, input().split()) s = 2*(a*b + b*c + c*a) v = a*b*c print(f'{s}\n{v}')

2025-07-01

0 22

题解 | 计算机内存

import sys n = int(input()) total_memory = n * 1024 * 1024 print(total_memory//4)

2025-07-01

0 21

题解 | 时间转换

import sys seconds = int(input()) h = seconds // 3600 m = 0 if seconds % 3600 == 0 else seconds % 3600 // 60 s = seconds - 3600 * h - 60 * m print(...

2025-07-01

0 24

题解 | 求四位数各个数位之和

from functools import reduce import sys number = input() result = reduce(lambda x, y: x + y, map(int, number)) print(result)

2025-07-01

0 29

题解 | 反向输出一个四位数

import sys n = input() print(n[-1::-1])

2025-07-01

0 21

题解 | 平方根

import math import sys n = int(input()) print(math.floor(math.sqrt(n)))

2025-07-01

0 18