题解 | #最长回文子串#
最长回文子串
https://www.nowcoder.com/practice/12e081cd10ee4794a2bd70c7d68f5507
ipt = input()
def len_longestsubpalin(s):
for lensub in range(len(s), 0, -1):
for i in range(0, len(s) - lensub +1):
if s[i:i+lensub] == s[i:i+lensub][::-1]:
return lensub
print(len_longestsubpalin(ipt))
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