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全部文章（共28篇）

题解 | 查找组成一个偶数最接近的两个素数

def issushu(n): if n == 2: return True else: for i in range(2, int(n**0.5)+1): if n%i == 0: retur...

2025-08-02

0 20

题解 | 完全数计算

import math def yueshu(n): res = 1 for i in range(2, int(math.sqrt(n))+1): if n%i == 0: res = res + i + n//i ...

2025-08-02

0 16

题解 | 不要三句号的歪

def func(): strlist = list(map(str, input().split(','))) l = int(strlist[1]) r = int(strlist[-1]) print(r-l-1) if __name__ == &quo...

2025-08-02

0 19

题解 | 杨辉三角的变形

def func(): n = int(input()) if n <= 2: print(-1) else: reslist = [2, 3, 2, 4] key = (n-2)%4 print(res...

2025-08-02

0 20

题解 | 输出单向链表中倒数第k个结点

def func(): res = [] while True: try: n = int(input()) val = list(map(int, input().split())) ...

2025-08-02

0 10

题解 | 统计字符

def func(): slist = input() a, b, c, d = 0, 0, 0, 0 for s in slist: if s.isalpha(): a = a + 1 elif ord(s) == ...

2025-08-02

0 19

题解 | 统计每个月兔子的总数

def cnt(n): # 3月份的初始 a = 1 b = 0 c = 1 for i in range(n-3): a = a + b b = c c = a res = a + b +...

2025-08-02

0 21

题解 | 蛇形矩阵

def func(): n = int(input()) res = 1 for i in range(n): # 0 1 2 3 res = res + i print(res, end=' ') resnewrow = r...

2025-08-02

0 20