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全部文章（共31篇）

题解 | 字符串字符匹配

s = input().strip() t = input().strip() if set(s).issubset(set(t)): print('true') else: print('false')

2025-04-04

0 39

题解 | 尼科彻斯定理

n = int (input()) first = n * n - n + 1 s = [str(first + i * 2) for i in range(n)] print("+".join(s))

2025-04-04

0 41

题解 | 百钱买百鸡问题

for x in range(0,21): for y in range(0,34): z = 100 - x - y if x*5 + y*3 + z//3 ==100 and z%3 == 0: print(x,y,z)

2025-04-04

0 42

题解 | 放苹果

def ways(m,n): if m == 0: return 1 if n == 1: return 1 if m < n: return ways(m,m) return ways(m,n - 1) + wa...

2025-04-04

0 38

题解 | 查找组成一个偶数最接近的两个素数

def find_prime(n): sieve = [True] * (n+1) sieve[0] = sieve[1] = False for i in range(2,int(n ** 0.5)+1): if sieve[i]: ...

2025-04-02

0 31

题解 | 不要三句号的歪

s = input().strip().split(',') a = int(s[0]) c = int(s[3]) print(c-a-2)

2025-04-02

0 32

题解 | 完全数计算

def find_perfect_count(n): if n < 6: return 0 cnt = 0 for num in range(2,n + 1): result = 1 for i in range...

2025-04-02

0 35

题解 | 图片整理

s = input().strip() result = sorted(s,key = ord) print(''.join(result))

2025-04-01

0 35

题解 | 删除字符串中出现次数最少的字符

s = input().strip() frequency = {} for char in s: if char in frequency: frequency[char] += 1 else: frequency[char] = 1 char...

2025-04-01

0 34

题解 | 句子逆序

print(" ".join((input().strip().split())[::-1]))

2025-04-01

0 23