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全部文章（共25篇）

题解 | #单组_字符串#

n = int(input()) s = input() print(s[(n-1)::-1])

2024-08-28

0 246

题解 | #格式化清单#

l = ['apple', 'ice cream', 'watermelon', 'chips', 'hotdogs', 'hotpot'] while len(l): l.pop(-1) print(l)

2023-12-01

0 212

题解 | #牛牛逆序输出#

def f(s): if s//10 != 0: n = s%10 print(n, end='') s = f(s//10 ) else: print(s) n = int(input()) f(n)

2022-12-17

0 264

题解 | #牛牛的四叶玫瑰数#

def daffodil(s): sum = 0 ls = [] for i in s: sum += int(i)**4 if sum == int(s): print(s, end=' ') n, m = list(map(in...

2022-12-16

0 234

题解 | #牛牛的替换#

def re(s, a, b): s = s.replace(a, b) return s while True: try: ls = list(input().split()) n = input() print(re(re(...

2022-12-16

0 232

题解 | #牛牛的素数判断#

def isPrime(n): for i in range(2, n): if n % i == 0: print('false') break else: print('true') n = int(...

2022-12-16

0 313

题解 | #[NOIP1999]回文数#

# 任意进制转换为10进制数 def To10(x, y): x = int(x) dic = {'0': 0, '1': 1, '2': 2, '3': 3, '4': 4, '5': 5, '6': 6, '7': 7, '8': 8, '9': 9, 'A...

2022-12-14

0 366

题解 | #牛牛的素数和#

l, r = list(map(int, input().split()))a = []for i in range(l, r+1): for ...

2022-12-12

0 233

题解 | #[NOIP2010]数字统计#

l, r = list(map(int, input().split()))a = []for i in range(l, r+1): a.append(str(i))print(''.join(a).count('2'))

2022-12-12

0 271

题解 | #数位五五#

a, b = list(map(int, input().split()))flag = 0for i in range(a,b+1): count =&...

2022-12-12

0 332