题解 | #密码截取#
密码截取
https://www.nowcoder.com/practice/3cd4621963e8454594f00199f4536bb1
s = input() maxlen = 0 lens = len(s) flag = 0 for i in range(lens): for j in range(i+1): ss = s[j:j+lens-i] if ss[0]==ss[-1]: #print(ss) if ss==ss[::-1]: maxlen = len(ss) flag = 1 break if flag: break print(maxlen)python暴力搜索,耗时1000ms 高于5% python用户哈哈哈
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