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| back to board | Hint For Test Case# 16 Posted by Yuv  2 Sep 2019 13:02Cannot break this case. Any hint?Re: Hint For Test Case# 16 Posted by Yuv  4 Sep 2019 10:49Ok I don't know what was the case# 16. But I have found some test cases:
 9
 abghxrfab
 rfabghxrf
 ans: -1
 
 9
 abghxabab
 ababghxab
 ans: 2
 
 12
 abcghxabcabc
 cabcghxabcab
 ans: 1
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