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全部文章（共71篇）

题解 | 字符串反转

print(input()[::-1])

2025-03-01

0 32

题解 | 数字颠倒

print(input()[::-1])

2025-03-01

0 24

题解 | 字符个数统计

print(len(set(input())))

2025-03-01

0 31

题解 | 提取不重复的整数

l = [] a = input()[::-1] for i in a: if i not in l: l.append(i) print("".join(l))

2025-03-01

1 25

题解 | 合并表记录

from collections import defaultdict dict1 = defaultdict(int) for _ in range(int(input())): a,b = map(int,input().split()) dict1[a] += b for i ...

2025-03-01

1 23

题解 | 取近似值

a,b = input().split(".") if int(b[0]) >= 5: print(int(a)+1) else: print(int(a))

2025-03-01

0 23

题解 | 进制转换

print(int(input(),16))

2025-03-01

0 23

题解 | 字符串分隔

from sys import stdin, stdout input = lambda: stdin.readline().strip() print = lambda x: stdout.write(str(x) + "\n") s = input() n = len(s)...

2025-03-01

0 22

题解 | 明明的随机数

from sys import stdin, stdout input = lambda: stdin.readline().strip() print = lambda x: stdout.write(str(x) + "\n") n = int(input()) print(...

2025-03-01

0 24

题解 | 计算某字符出现次数

from sys import stdin, stdout input = lambda: stdin.readline().strip() print = lambda x: stdout.write(str(x) + "\n") a = input().lower() pr...

2025-03-01

0 27