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全部文章 / 题解（共71篇）

题解 | #回文对称数#

import math n = int(input()) for i in range(1, n): i, flag = str(i), 0 for j in range(math.ceil(len(i) / 2)): if i[j] != i[-1 - j]: flag = 1 if flag =...

Python3

2022-04-23

0 244

题解 | #[NOIP2015]金币#

K = int(input()) sum_K, count = 0, 1 for i in range(1, K + 1): for j in range(1, i + 1): if count > K: break sum_K += i count += 1 print(sum_K)

Python3

2022-04-23

0 240

题解 | #小乐乐与进制转换#

a = int(input()) s = [] while True: if a >= 6: s.append(a % 6) a //= 6 if a <= 6: s.append(a) break for i in range(len(s)): print(s[len(s) - i -...

Python3

2022-04-22

0 260

题解 | #公务员面试#

while True: try: li = list(map(int, input().split())) length = len(li) - 2 li.remove(max(li)) li.remove(min(li)) print('%.2f' % (sum(li) / length)) ex...

Python3

2022-04-22

0 279

题解 | #变种水仙花#

方案一直接求，速度快，占用内存相对较大，320，4584 for i in range(10000, 100000): i = str(i) if int(i[0]) * int(i[1:]) + int(i[0:2]) * int(i[2:]) + int(i[0:3]) * int(i[3:])...

Python3

2022-04-22

0 242

题解 | #水仙花数#

while True: try: count = 0 m, n = map(int, input().split()) for i in range(m, n + 1): i = str(i) if pow(int(i[0]), 3) + pow(int(i[1]), 3) + pow(int(i[...

Python3

2022-04-22

0 290

题解 | #简单计算器#

方案1，较快 operator = ['+', '-', '', '/'] a = input() if '+' not in a and '-' not in a and '' not in a and '/' not in a: print('Invalid operation!') else:...

Python3

2022-04-21

0 295

题解 | #[NOIP2008]ISBN号码#

n = input() a = n.replace('-', '') b = 0 for i in range(len(a)-1): b += int(a[i]) * (i+1) c = b % 11 if c == 10: c = 'X' if str(c) == a[-1]: print('Ri...

Python3

2022-04-21

0 263

题解 | #获得月份天数#

a = [1, 3, 5, 7, 8, 10, 12] while True: try: y, m = map(int, input().split()) if m in a: d = 31 elif m == 2: if y % 4 != 0: d = 28 else: d = 29 else: ...

Python3

2022-04-21

0 242

题解 | #计算一元二次方程#

import math while True: try: a, b, c = map(float, input().split()) d = b * b - 4 * a * c n = math.sqrt(abs(d)) if a == 0: print('Not quadratic equatio...

Python3

2022-04-21

0 262