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题解 | #DN***段#

a = input() j = 0 b = [] dna = ['A', 'T', 'C', 'G'] for i in range(len(a)): if a[i] in dna: j += 1 &n...

Python3

2022-06-27

0 374

题解 | #字符串编码#

a = input() if len(a) == 1: print(f'1{a}') b = '' j = 1 for i in range(1, len(a)): if a[i] == a[i-1]: ...

Python3

2022-06-24

0 318

题解 | #括号匹配深度#

a = input() alist = [] i = 0 for b in a: if b == '(': i += 1 else: ...

Python3

2022-06-23

1 311