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全部文章（共43篇）

题解 | 数位之和

n = list(input().replace('-', '')) res = 0 for i in n: res += int(i) print(res)

2025-06-14

0 9

题解 | 牛牛学数列5

def fn(n): if n <= 2: return 1 res = [0 for i in range(n)] res[0], res[1] = 1, 1 for i in range(2, n): res[i] = res...

2025-06-14

0 11

题解 | 最大的差

n = int(input()) a = list(map(int, input().split())) print(max(a) - min(a))

2025-06-14

0 15

题解 | 牛牛学数列2

n = int(input()) result = 1 for i in range(2, n + 1): result += 1 / i print(format(result, '.6f'))

2025-06-14

0 13

题解 | 牛牛学数列

n = int(input()) if n % 2 == 0: s = (n // 2) - n else: s = (n // 2) + 1 print(s)

2025-06-14

0 9

题解 | 素数判断

def checkIfSushu(): n = int(input()) if n == 1: return 'No' if n <= 3: return 'Yes' if n % 2 == 0: return '...

2025-06-14

0 13

题解 | 多组数据a+b III

while True: a, b = map(int, input().split()) if a == 0 and b == 0: break print(a + b)

2025-06-14

0 13

题解 | 多组输入a+b II

t = int(input()) for i in range(0, t): a, b = map(int, input().split()) print(a + b)

2025-06-14

0 14

题解 | 计算机内存

n = int(input()) print(2**18*n)

2025-06-11

0 10

题解 | 求四位数各个数位之和

n = list(map(int, input())) print(sum(n))

2025-06-11

0 12