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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#671526#5085. Palindrome TypeKowerKoint#AC ✓657ms18288kbPython3946b2024-10-24 13:08:582024-10-24 13:08:58

Judging History

你现在查看的是最新测评结果

  • [2024-10-24 13:08:58]
  • 评测
  • 测评结果：AC
  • 用时：657ms
  • 内存：18288kb
查看
  • [2024-10-24 13:08:58]
  • 提交

answer

S=input()
N=len(S)
inf=1<<30
K=4
KK=2*K+1
dp=[inf]*(N+1)*KK
def idx(i,j):
    if i>j:
        return None
    if i<0 or N<i:
        return None
    if j<0 or N<j:
        return None
    jj=N-j
    if abs(i-jj)>=K+1:
        return None
    return i*KK+i-jj+K
dp[idx(0,N)]=0
for i0 in range(N+1):
    for j0 in range(N-i0+K,N-i0-K-1,-1):
        ij0=idx(i0,j0)
        if ij0==None:
            continue
        ij1=idx(i0+1,j0)
        if ij1!=None:
            dp[ij1]=min(dp[ij1],dp[ij0]+1)
        ij1=idx(i0,j0-1)
        if ij1!=None:
            dp[ij1]=min(dp[ij1],dp[ij0]+1)
        if j0-i0>=2 and S[i0]==S[j0-1]:
            ij1=idx(i0+1,j0-1)
            dp[ij1]=min(dp[ij1],dp[ij0])
ans=inf
for i in range(N+1):
    ii=idx(i,i)
    if ii!=None:
        ans=min(ans,dp[ii])
for i in range(N):
    ii=idx(i,i+1)
    if ii!=None:
        ans=min(ans,dp[ii])
if ans>=4:
    ans=-1
print(ans)
Source code, Language: Python3

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 10ms
memory: 10480kb

input:

aababaa

output:

0

result:

ok single line: '0'

Test #2:

score: 0
Accepted
time: 10ms
memory: 10456kb

input:

abccbbab

output:

2

result:

ok single line: '2'

Test #3:

score: 0
Accepted
time: 15ms
memory: 10396kb

input:

acmicpc

output:

-1

result:

ok single line: '-1'

Test #4:

score: 0
Accepted
time: 15ms
memory: 10500kb

input:

aabaa

output:

0

result:

ok single line: '0'

Test #5:

score: 0
Accepted
time: 15ms
memory: 10612kb

input:

abbaa

output:

1

result:

ok single line: '1'

Test #6:

score: 0
Accepted
time: 3ms
memory: 10440kb

input:

abcde

output:

-1

result:

ok single line: '-1'

Test #7:

score: 0
Accepted
time: 10ms
memory: 10516kb

input:

abcda

output:

2

result:

ok single line: '2'

Test #8:

score: 0
Accepted
time: 4ms
memory: 10496kb

input:

abaabba

output:

1

result:

ok single line: '1'

Test #9:

score: 0
Accepted
time: 15ms
memory: 10452kb

input:

bbbaaa

output:

3

result:

ok single line: '3'

Test #10:

score: 0
Accepted
time: 10ms
memory: 10612kb

input:

abbccba

output:

1

result:

ok single line: '1'

Test #11:

score: 0
Accepted
time: 10ms
memory: 10488kb

input:

abcabcb

output:

2

result:

ok single line: '2'

Test #12:

score: 0
Accepted
time: 15ms
memory: 10584kb

input:

bababbababb

output:

1

result:

ok single line: '1'

Test #13:

score: 0
Accepted
time: 15ms
memory: 10576kb

input:

bccaacacaaacaacaab

output:

3

result:

ok single line: '3'

Test #14:

score: 0
Accepted
time: 15ms
memory: 10460kb

input:

ienkzavpcizlzdhkhdzlzcpvzzknei

output:

3

result:

ok single line: '3'

Test #15:

score: 0
Accepted
time: 14ms
memory: 10512kb

input:

xebhsigufoeitoeotieofuygidshbx

output:

3

result:

ok single line: '3'

Test #16:

score: 0
Accepted
time: 15ms
memory: 10484kb

input:

dhnthbvccwreeksxyvrprgmtvxqsmfdpoqlwrgywdrrdwygrwlqopdfmsqxvtmgrprvyxskeerwccvbhtnhbd

output:

1

result:

ok single line: '1'

Test #17:

score: 0
Accepted
time: 15ms
memory: 10484kb

input:

iixcpzhlsmoymepzvowvhemuvyolonyylvxdnwkaqzoolugmguloozqakwndxvyynoloyvumehvwovzpemyomslhzpcxii

output:

1

result:

ok single line: '1'

Test #18:

score: 0
Accepted
time: 13ms
memory: 10504kb

input:

ktivgldiwuvvuwfuimxbwnfuxjbkveugxcddpjnnfliajowtcwuyjztglwqgcmozouefdssifakoqhhsfdtodowqmmypapymmqwodotdfshhqokafissdfeuozomcgqwlgtzjyuwctwojailfnnjpddcxguevkbjxufnwbxmiufwuvvuwidlgvitk

output:

0

result:

ok single line: '0'

Test #19:

score: 0
Accepted
time: 7ms
memory: 10528kb

input:

brawtvyoegtlxrsmihfugdhxevyofongrghnzcnqivjvuaogkvcryjqegqtlgiuxobmpfzfnwriqrywcuzvswknzreuekcaisiackeuerznkvsvzucwyrqirwnfzfpmbogxuigltqgeqjyrcvkgoauvjviqncznhgrgnofoyvexhdgufimsrxltgeoyvtwarb

output:

-1

result:

ok single line: '-1'

Test #20:

score: 0
Accepted
time: 10ms
memory: 10476kb

input:

bjrdlkkeuxwpuleskensyvgaoqpfqxpuiixwuhaohwgdjmvtsknsfwsvokdfhubqfyozhoqomytdxkoqdygvgcqdqaixhdyzkypllpykzydhxiaqdqcgvgydqokxtymoqohzoyfqbuhfdkovswfsnkstvmjdgwhoahuwxiiupxqfpqoagvysnerkselupwxuekkldrjb

output:

2

result:

ok single line: '2'

Test #21:

score: 0
Accepted
time: 12ms
memory: 10472kb

input:

xyrquyctbtomlifsvzqwszovnmwdxrvurmmmnqhqkxfxfkpcliydhoaxawcynyuhmjvzzcslaxjhjymugkxqzapbwrwbmpytehodisxuuwdefibqzkczcdzrfvkijcgcgnqlyljsffxjlabjmkelohkfoisxrudwatolrzwlhcispiubvynjfzruhjtbdwzfrnqkpnvwrfoofrwvnpkqnrfzwdbtjhurzfjnyvbuipsichlwzrlotawdurxsiofkholekmbaljxffsjlylqngcgcjikvfrzdczckzqbfedwu...

output:

3

result:

ok single line: '3'

Test #22:

score: 0
Accepted
time: 14ms
memory: 10516kb

input:

qcnwmzuexrrrhwsstqipfmfithltdizvmmsznmfkgydnuxhnnsetekbxtoqwyprkdllsasfgqivkgcavueoyqrxjhqhhhbunmffmakusvpfdufyqlpregopqgzxoarbmzibztvtqnythdrxrgoxpfmfllebnwccxndygarwnqpuviuopklerylflpgznlbkyeiggceuuvqpdkesxryorjtjroyrxsekdpqvuuecggieykblnzgplflyrelkpouivupqnwragydnxccwnbellfmfpmxogrxrdhtynqtvtzbiz...

output:

3

result:

ok single line: '3'

Test #23:

score: 0
Accepted
time: 12ms
memory: 10540kb

input:

oftswowkrbmtqnhocbhzylujkfczlllbqetptrzmvlhnbredslesyybigdirotugxpvsiwhfkotlfxqzkutiuwqabatrtnytcvllsuqcjlnqidquzlctitwjvpbpdbihwvsoqlszwhrhmjblvghfbdqwstlxuvfrrzhjkakjjbswlvhibonctdbozmltksmdswmeywphzhdkfnsgdhlxnmnmayhmruplsbpqzfzqpbslpurmhyamnmnoxlhdgsnfkdhzhpwyemwsdmsktlmzobdtcsnobihvlwsbjjkakjhz...

output:

-1

result:

ok single line: '-1'

Test #24:

score: 0
Accepted
time: 18ms
memory: 10484kb

input:

gflwyilnakfxxxbrebxqjyzoaxuqhxwncjmcsxpsjvrissbyuzjqfzpvzoppvoolqxxspwkjffbqzvrxpsnxsesrtkjqyxbpwyjmwtxeyyuzwnwlglkyqdrlncbnzdewdokcjjgkkajgnitvtevlhpwwrajrdopiebknksxushairudkazyhqufhuoazerkkswyfpxzjgcrxyxkyyihocmvzcwajnkvijtnytohbsbzzbsbhotyntjivknjawczvmcohiyykxyxrcgjzxpfywskkrezaouhfuqhyzakduria...

output:

2

result:

ok single line: '2'

Test #25:

score: 0
Accepted
time: 13ms
memory: 10544kb

input:

qpvpahejsenjqjravaqxyukdqfratgqkvlbxufhnlwybfpdcquzoqjrgoliiryugojxoedvtotrsygvayramijgoatzimxecjbqnglgxezrefofeghsqqagstfchdgkmkabsojpsiizpxetdnovfobykharmjbytcbnskfkunljkrfpevkkjmivvinhrqhmskamwhxqukbhcgwgdjqvnxyiuhxbaokniwpvswuiselzguynxhxnyugzlesiuwsvpwinkoabxhuiyxnqjdgwgchbkuqxhwmaksmhqrhnivvim...

output:

2

result:

ok single line: '2'

Test #26:

score: 0
Accepted
time: 18ms
memory: 10512kb

input:

vvpefnuxjwrigvnbfrusdhwtqqlpeqgbmvfricrtaiegdrikkeeolbhcrstxlzzxxgqfihbjrfrwyzgjelxpoetfzofmoejlmzsvjvgaaxxbzfkdqjuenqmoetauzlflnagwxowymvbnblstumyjemajfcdgolrbnazkovkcrlpuyhnuwneabgliipoycgbrgabuyozrbolawyuuoaupiiytxmrbuvscvvzvjymnmzpkyjgombduldpishlmedpbaoxmojzajonjztznwckhizraicomhdoktnwhwxkhlxsm...

output:

-1

result:

ok single line: '-1'

Test #27:

score: 0
Accepted
time: 10ms
memory: 10552kb

input:

eqejbhvitsyijlbloupxipxsczvunzmrprdsyadssbcemepcagclxzfzybunaghpzkkymnsfqujfaahbgjmdkreisyyuhfmgrwgdjaizvtextoybzmgkglualsvuzjdqfjwomgphaugvihzjthtbsqegkbckkfcpryddfsmhoseyzdivldwftcnedqqnvscothrycfhqylpzpzucetjyvxeznwokorzjyshayotwckxrjsvnnenkdtlqpadgtcpruzuspnqrxokiifxxmlhpgtiyvleopvhjwbemqwfpkqxu...

output:

1

result:

ok single line: '1'

Test #28:

score: 0
Accepted
time: 21ms
memory: 10572kb

input:

fsdarrxlmzsffruegoplsphgvvndlyissmujfrxrsrwyisergtcbiljgixlvxuprijbncagurcubuyucuyfelrmtoyqlufeeohrqhxnabhexiyzczhgkytgotybpeftunmnwlaxmjdlrdmvcteptzvhsvijzocwdqjzblypubaohmljipaboxjittrujvqmlbmommdjqfzxskgacjbsgmbziuwrsmefosucgzlwfmtxxczblatrputxrpqjduotoiwvijrnylmvnlyanrreombfduqhqecfpyczkvoiicfxn...

output:

2

result:

ok single line: '2'

Test #29:

score: 0
Accepted
time: 21ms
memory: 10584kb

input:

utwglhanestizpssmlspkuqfwsxehvcbqakdkkqoemyfbsyqeqfomxuirrpyotagtkjfubvapugrmejswqjjnftfykfodfuzrfeniaoywurkacdwsmhhtdolrnufrbbstiwgqyuqwqhhsjkpdyylrdzirvpkxqeqycyqbvhxlqgeaqvdqvqjzstsniekaicakdrnyynlotpqmmwckmojehdsshesrjtdmkrkkevaxntjbpolbcwilzcdigwbrrfddwpncnpbcildxbrbdpjorlsztqdlhiqmggzitqlxzway...

output:

1

result:

ok single line: '1'

Test #30:

score: 0
Accepted
time: 72ms
memory: 11224kb

input:

mjnrimbykkhyovdmoihymbmxrektnvxzhmsrzwpjiziwullivsjhvvgpbrioohpvukmtgeeofomzzxjxrugprngseoisxyqriemqirgnfsohsaelumcoziifyrawpqpzuerfvxucrjlllrxhezvdkejivjgmbynxcgczdxbwinitehakiyosczdzklnljaklinmlmojudrpjapujnkdrjgstufgdhqrpfdcrtmlydciesephosbxbtsxzyagqtwwzynumbtqddwxhnfvfiuibmfamijcdhaehozurumuxiug...

output:

0

result:

ok single line: '0'

Test #31:

score: 0
Accepted
time: 83ms
memory: 11264kb

input:

bhpkjaznrfnylldmqvvpnuhpkpwtdkrgugqdjpsaxfzkreyhbtyqoigaxetcrkiltzqeqiennfygmwopsogiwoiwubylnjyiiomawtomaosmmicgxkovawruzsipdgxlvmnrfdffryugiymhiddkzwgzqoqtvngszulgxrmrrgxzelhoomaqigrbxhuuudmwxxcwqqnhymheyquocuemdxpaemubpizofbkyuyfskozkgtbkohxtfotjapmpxldepqcjokdaycnfyopovohafamfryxokcszsxkihpjhswms...

output:

3

result:

ok single line: '3'

Test #32:

score: 0
Accepted
time: 72ms
memory: 11292kb

input:

uacxtttozkcjyxssksfpmxwymchyhsobssbllwbngfwgepyojfdveawredplvfppyqalmeyvlxbsmcgvhmtmopfsuwfrbugbminzonwckxuybcwlqpzegeycaevdadhnnwocjkgwjauleqyvhxbpdarfgmkirrvfnljxvpvfrpsviqqppufswyzcnjmebkjovsnrhkyyaqwkiobxiirehqiuzvycfktacitmtrmvjifrxgofrfkyxuuzpubweuzjdsvymhtvsynpgdwxlixidrhumjrqfqzkkwiwebsybhnk...

output:

1

result:

ok single line: '1'

Test #33:

score: 0
Accepted
time: 75ms
memory: 11256kb

input:

obncmueifwcccegxvkszhqkrnpmeyvmnwbpkxvsctufvaluvvmxfchwsxkwxfkmdnbpkwhopdtmehgbesyjxifphsnezzrfmuuytcmkhgznnfptapdxxkoecdlecejqydothaepidexktrkjujiexpjcangeywebmylpccxhgxtaoelkpvqpkbrkqyoowtsjtdyxhvenuzpifcuvynkiodvfbltyenjzqhwzecnzccjhheefropfskmvwivcvecolynqdarffaoogttxjifdtrbrbwtxbvlowyezbxgiyuwe...

output:

2

result:

ok single line: '2'

Test #34:

score: 0
Accepted
time: 149ms
memory: 12436kb

input:

bcqatarjdfzvabdynnqexqgutwlrxbtadjdyjujpzikbknbxcrezkkwdjhvgioinzlllhvagdmjncllecrembasmjnurddgeqrpymrgseqfgbskfjqunqmzzbwsgzykpqcpetwwzmchpwuwiksvbgwahstpttaljeaoxwmzkqgznayxlqsoxqogljwedwpoasezorabhhawjatwrnkogburmqxroniqhmsxfsypbznnzhjswwicxfvlvtdmilepzymfrlwumjhnqrgppqtmvpztiefqplhrktydguxsdhiwa...

output:

-1

result:

ok single line: '-1'

Test #35:

score: 0
Accepted
time: 154ms
memory: 12012kb

input:

lcilalfjkasdtvoaqixcyuskcezhfzgsepfgclponhriefixpgzncsagyzodawvenalpnafdkylqfwnucpighknhldklzhqnjbexbkankngqjtknkuurehypkkbltrydsfcvrelbtrrdmcqxwkqbtrsfbvrvmragweenippdiggukzrhlikfzekcabzmtbvrfzfpqwtyebspamymwirxmdbmhbbacytkxybnwulbwfsyrqkpadmohodorgqvejfbkhqgddjbidactktvqgmxwpnnvfiboqeaxujcxuehyelt...

output:

2

result:

ok single line: '2'

Test #36:

score: 0
Accepted
time: 158ms
memory: 11972kb

input:

wwjucpbthcaienbdkgxfwpptwgzxumytkhnnyoigsjowyrbixyqupfplnojkdjdpqqcognwywmxwdygbzwxoemctdndiwixmyccgpzhnlejpersdorsudwpijtqhbqvcsxkjyrykxjbcavfqmzkrvccgxsnakiceipngilsgwtkxqpncrawoeyvbskbdtghbvxjdkclhxveontsevoszopahackvktyhqhmbjykhvoxijpofgjguyjbynntxjrezbqckqmtmcqumgltmubiskktxzouiiakjrmvhbptdfqrl...

output:

2

result:

ok single line: '2'

Test #37:

score: 0
Accepted
time: 290ms
memory: 13736kb

input:

euajjxjlrejaxbyvxobwfcuruietgnnmhoxrlheelpfktfgqvhpbllufuyacooqxcoqpvxvimatfhzydipgtaaawbaarorosfhjcefmshfapgyuonajpcjmdmmucflvmugoyldsvismrqgffirxkcjqoxmrfxortuirilmdvepmxxuefnbppmhgmuzrtnknjsgrfswbxnpwkjarwcjoqqucktveigtrazlgsjjrxanjkpdirmykcsmpnivvqopqnayhjjyiknswdvewjdgnxvcldzivnxldxkkjtlrfylbbi...

output:

3

result:

ok single line: '3'

Test #38:

score: 0
Accepted
time: 294ms
memory: 13600kb

input:

ryqikpuwkabqupuqkxvqocdyzphkqsxksnsccobpqcflrzddzzundzneowphpmrhclmgznvppcahegkffgskfhouedbvsueufqaefyvvayeeeojlxdvcnjyrpbohvubcndisbepeetiikuvhzqlmbkfqnvxjqaldguxhapneiyousjbtzpgcbltohsxzvlebhbkjsynbydvsmzlnqrprfkfoffnaqtdzwpippxsnanfmorzekqxrddfikukanpbmejbugthgipuzgvfsndkqirasmmubbvpigqcmlluuaqvi...

output:

3

result:

ok single line: '3'

Test #39:

score: 0
Accepted
time: 300ms
memory: 13812kb

input:

qfwcuvpxrmdracykkzznjqjuohtsztqpaotwkitdxyuzcvmnwlafdmztvsounemptfmfqhipgfoiaaxwoadtocnjwbgmhsbczpjrxugdzvnbvnzlncfdgumcxsoeksjmhsdemkjnfzocmnobrvexpqcmlsqxkbjuupyizkwgjkkvaawtvctksvwfppdaqowmduveermpdxkfxizvkuffpekgtpglgcyjztqfmcvrbhxzqywcsbjjfwpalymrckddftjrxgkznhafhwkbxtkfpcfdcrwedbiiwtbuzmvovvud...

output:

-1

result:

ok single line: '-1'

Test #40:

score: 0
Accepted
time: 623ms
memory: 17988kb

input:

qepycslklynhzkkruaucaztyrazoomsgqhevzrfmpuvpefiahffieyixajlovfuomylnsschmxytfhvmoawuyfryoeomkicyjnobfqktpjmusijgkfcjmtjdxyphirirgwunmfgdqvykdhsnouybnkemkvuuoemuaihopprfkrrpajfpddsspyfbtbwhfkdfsmtibmpmejbgsgvwmpqdnvfgwbpdluidgdnisfwwoxeigagsrxvfsanrdfuozfsikhqcomaelfnrhtlyqjdlltcpyyfzdzhohzqxntczypsf...

output:

3

result:

ok single line: '3'

Test #41:

score: 0
Accepted
time: 651ms
memory: 18020kb

input:

pjpylsynxoiagfroxaynqykxlarebqcqcuqpmocjemlnredrfbevzptnrmtuevngpdxcuznanznfdqwkucgttbilnbfrzuaoyxquzgumhktmcpxwudsngaytegmdaotammunsrbzbvldkkaepsuvusoayddbrxbfjysdpucqrpvdcxkrrenmwbmxgsyyrbfczyhoulglaeqcbautejhbkvatnargbwkdwrtscaffgwjhwfcbojebfguugndjlnokficjkkoqgazefchulnvstrnbesnrfbbmjgwtqmlymles...

output:

1

result:

ok single line: '1'

Test #42:

score: 0
Accepted
time: 657ms
memory: 18016kb

input:

bcqatarjdfzvabdynnqexqgutwlrxbtadjdyjujpzikbknbxcrezkkwdjhvgioinzlllhvagdmjncllecrembasmjnurddgeqrpymrgseqfgbskfjqunqmzzbwsgzykpqcpetwwzmchpwuwiksvbgwahstpttaljeaoxwmzkqgznayxlqsoxqogljwedwpoasezorabhhawjatwrnkogburmqxroniqhmsxfsypbznnzhjswwicxfvlvtdmilepzymfrlwumjhnqrgppqtmvpztiefqplhrktydguxsdhiwa...

output:

-1

result:

ok single line: '-1'

Test #43:

score: 0
Accepted
time: 653ms
memory: 18288kb

input:

vfitessxgeejhcxbbtxlnvvrhzfvngpkoxespwpxavgjafnbykolfjfnlkiatzkhwobnmqlpntynzlqxwgjdqosdacdtbncxedlqvyflreaqrrqpxbtprnsrqvnrlprpvefqclbvrcokveauhvkyiepacesnulcpphhtujonneyikaerxopfvfixjamflowcxevunljcqhmajqughjocqwbcynhldenaikwxxgbnpnqzdkhkvxomtrotexghbtklfikdolsgakhgwossmhehyudfrjovfygkjtpxgkfhumpt...

output:

2

result:

ok single line: '2'
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