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全部文章（共22篇）

题解 | 01序列

from math import ceil m = int(input()) arr_new = "".join(input().split()).split("1") count = 0 for i in range(len(arr_new)): l...

2025-08-29

0 6

题解 | 灵异背包？

n = int(input()) arr = list(map(int,input().split())) arr_odd = [i for i in arr if i % 2 != 0] sum_max = sum(arr) if sum_max % 2 == 0: print(sum_m...

2025-08-29

0 5

题解 | 小红的字符串

s = list(input()) n = len(s) num = 0 for i in range(n // 2): if s[i] != s[n - 1 - i]: diff = abs(ord(s[i]) - ord(s[n - 1 - i])) nu...

2025-08-29

0 7

题解 | 清楚姐姐买竹鼠

a, b, x = map(int,input().split()) avg_b = b / 3 if avg_b >= a: print(a*x) else: results1 = (x // 3 + 1) * b results2 = (x // 3) * b + ...

2025-08-29

0 6

题解 | 迷宫寻路

n , m = map(int,input().split()) arr = [] for i in range(n): arr.append(list(input())) graph = {} for i in range(n): for j in range(m): ...

2025-08-28

0 9

题解 | 小红背单词

n = int(input()) arr = [input() for _ in range(n)] pas = [arr[0]] counts = {arr[0]:1} for i in arr[1:]: if i in counts: counts[i] += 1 ...

2025-08-28

0 8

题解 | 小红书推荐系统

arr = input().split() counts = {} for i in arr: if i in counts: counts[i] += 1 else: counts[i] = 1 sorted_counts = sorted(coun...

2025-08-28

0 10

题解 | 数独数组

element_count = int(input()) arr = list(map(int,input().split())) counts = set() for i in range(1,10): counts.add(arr.count(i)) if element_count &...

2025-08-28

0 8

题解 | 小红的双生串

s = input() half = int(len(s) / 2) left_s = s[:half] right_s = s[half:] max_left = 1 max_right = 1 for i in set(left_s): max_left = max(max_left,l...

2025-08-28

0 7

题解 | 预知

T = int(input()) for t in range(T): n = int(input()) arr = list(map(int,input().split())) arr1 = arr.copy() arr1.remove(max(arr1)) ...

2025-08-28

0 8