Simple question, the effect is not good enough
class Solution: def repeatedSubstringPattern(self, s: str) -> bool: a='' for i in range(len(s)): if s[i] not in a: a+=s[i] else: if a == s[i:i+len(a)]: if s==a*(len(s)//len(a)): return True else: a+=s[i] else: a+=s[i] return False
When execution: 184 ms, beat the 19.12% of users in all python3 submission
Memory consumption: 13.8 MB, beat the 5.08% of users in all python3 submission
——2019.10.18