PAT (Advanced Level) 1040. Longest Symmetric String (25) 动态规划
Givenastring,youaresupposedtooutputthelengthofthelongestsymmetricsub-string.Forexample,given"IsPAT&TAPsymmetric?",thelongestsymmetricsub-stringis"sPAT&TAPs",henceyoumustoutput11.InputSpecification:Eac