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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#268213#5085. Palindrome TypeSTnofarjo#AC ✓2ms5200kbC++20859b2023-11-28 13:33:322023-11-28 13:33:34

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你现在查看的是最新测评结果

  • [2023-11-28 13:33:34]
  • 评测
  • 测评结果：AC
  • 用时：2ms
  • 内存：5200kb
查看
  • [2023-11-28 13:33:32]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;

const int maxn = 1e5+3;
string s;
int n;
bool dp[maxn][4][4];
int ans;

int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	cin >> s;
	n = s.size();

	memset(dp, false, sizeof dp);
	if (s[0] == s[n-1]) dp[1][0][0] = true;
	else dp[0][0][1] = dp[0][1][0] = true;
	for (int i=0; i<n/2; i++) {
		for (int hl=0; hl<4; hl++) {
			for (int hr=0; hr+hl<4; hr++) {
				int l = i + hl, r = n - 1 - i - hr;
				if (l >= r || !dp[i][hl][hr]) continue;
				if (s[l] == s[r]) dp[i+1][hl][hr] = true;
				else if (hl + hr + 1 < 4) dp[i][hl+1][hr] = dp[i][hl][hr+1] = true;
			}
		}
	}

	ans = 5;
	for (int hl=0; hl<4; hl++) {
		for (int hr=0; hr+hl<4; hr++) {
			int m = (n - hl - hr) / 2;
			if (dp[m][hl][hr]) ans = min(ans, hl+hr);
		}
	}

	cout << (ans == 5 ? -1 : ans) << '\n';
}
源文件, 语言: C++20

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 4856kb

input:

aababaa

output:

0

result:

ok single line: '0'

Test #2:

score: 0
Accepted
time: 0ms
memory: 4992kb

input:

abccbbab

output:

2

result:

ok single line: '2'

Test #3:

score: 0
Accepted
time: 0ms
memory: 5108kb

input:

acmicpc

output:

-1

result:

ok single line: '-1'

Test #4:

score: 0
Accepted
time: 1ms
memory: 5116kb

input:

aabaa

output:

0

result:

ok single line: '0'

Test #5:

score: 0
Accepted
time: 1ms
memory: 4944kb

input:

abbaa

output:

1

result:

ok single line: '1'

Test #6:

score: 0
Accepted
time: 1ms
memory: 4916kb

input:

abcde

output:

-1

result:

ok single line: '-1'

Test #7:

score: 0
Accepted
time: 1ms
memory: 4956kb

input:

abcda

output:

2

result:

ok single line: '2'

Test #8:

score: 0
Accepted
time: 1ms
memory: 4888kb

input:

abaabba

output:

1

result:

ok single line: '1'

Test #9:

score: 0
Accepted
time: 1ms
memory: 4944kb

input:

bbbaaa

output:

3

result:

ok single line: '3'

Test #10:

score: 0
Accepted
time: 1ms
memory: 4856kb

input:

abbccba

output:

1

result:

ok single line: '1'

Test #11:

score: 0
Accepted
time: 1ms
memory: 5060kb

input:

abcabcb

output:

2

result:

ok single line: '2'

Test #12:

score: 0
Accepted
time: 1ms
memory: 5064kb

input:

bababbababb

output:

1

result:

ok single line: '1'

Test #13:

score: 0
Accepted
time: 1ms
memory: 4856kb

input:

bccaacacaaacaacaab

output:

3

result:

ok single line: '3'

Test #14:

score: 0
Accepted
time: 1ms
memory: 4992kb

input:

ienkzavpcizlzdhkhdzlzcpvzzknei

output:

3

result:

ok single line: '3'

Test #15:

score: 0
Accepted
time: 1ms
memory: 5104kb

input:

xebhsigufoeitoeotieofuygidshbx

output:

3

result:

ok single line: '3'

Test #16:

score: 0
Accepted
time: 1ms
memory: 4888kb

input:

dhnthbvccwreeksxyvrprgmtvxqsmfdpoqlwrgywdrrdwygrwlqopdfmsqxvtmgrprvyxskeerwccvbhtnhbd

output:

1

result:

ok single line: '1'

Test #17:

score: 0
Accepted
time: 0ms
memory: 4948kb

input:

iixcpzhlsmoymepzvowvhemuvyolonyylvxdnwkaqzoolugmguloozqakwndxvyynoloyvumehvwovzpemyomslhzpcxii

output:

1

result:

ok single line: '1'

Test #18:

score: 0
Accepted
time: 1ms
memory: 4952kb

input:

ktivgldiwuvvuwfuimxbwnfuxjbkveugxcddpjnnfliajowtcwuyjztglwqgcmozouefdssifakoqhhsfdtodowqmmypapymmqwodotdfshhqokafissdfeuozomcgqwlgtzjyuwctwojailfnnjpddcxguevkbjxufnwbxmiufwuvvuwidlgvitk

output:

0

result:

ok single line: '0'

Test #19:

score: 0
Accepted
time: 0ms
memory: 4952kb

input:

brawtvyoegtlxrsmihfugdhxevyofongrghnzcnqivjvuaogkvcryjqegqtlgiuxobmpfzfnwriqrywcuzvswknzreuekcaisiackeuerznkvsvzucwyrqirwnfzfpmbogxuigltqgeqjyrcvkgoauvjviqncznhgrgnofoyvexhdgufimsrxltgeoyvtwarb

output:

-1

result:

ok single line: '-1'

Test #20:

score: 0
Accepted
time: 1ms
memory: 5068kb

input:

bjrdlkkeuxwpuleskensyvgaoqpfqxpuiixwuhaohwgdjmvtsknsfwsvokdfhubqfyozhoqomytdxkoqdygvgcqdqaixhdyzkypllpykzydhxiaqdqcgvgydqokxtymoqohzoyfqbuhfdkovswfsnkstvmjdgwhoahuwxiiupxqfpqoagvysnerkselupwxuekkldrjb

output:

2

result:

ok single line: '2'

Test #21:

score: 0
Accepted
time: 0ms
memory: 4960kb

input:

xyrquyctbtomlifsvzqwszovnmwdxrvurmmmnqhqkxfxfkpcliydhoaxawcynyuhmjvzzcslaxjhjymugkxqzapbwrwbmpytehodisxuuwdefibqzkczcdzrfvkijcgcgnqlyljsffxjlabjmkelohkfoisxrudwatolrzwlhcispiubvynjfzruhjtbdwzfrnqkpnvwrfoofrwvnpkqnrfzwdbtjhurzfjnyvbuipsichlwzrlotawdurxsiofkholekmbaljxffsjlylqngcgcjikvfrzdczckzqbfedwu...

output:

3

result:

ok single line: '3'

Test #22:

score: 0
Accepted
time: 0ms
memory: 4956kb

input:

qcnwmzuexrrrhwsstqipfmfithltdizvmmsznmfkgydnuxhnnsetekbxtoqwyprkdllsasfgqivkgcavueoyqrxjhqhhhbunmffmakusvpfdufyqlpregopqgzxoarbmzibztvtqnythdrxrgoxpfmfllebnwccxndygarwnqpuviuopklerylflpgznlbkyeiggceuuvqpdkesxryorjtjroyrxsekdpqvuuecggieykblnzgplflyrelkpouivupqnwragydnxccwnbellfmfpmxogrxrdhtynqtvtzbiz...

output:

3

result:

ok single line: '3'

Test #23:

score: 0
Accepted
time: 0ms
memory: 4896kb

input:

oftswowkrbmtqnhocbhzylujkfczlllbqetptrzmvlhnbredslesyybigdirotugxpvsiwhfkotlfxqzkutiuwqabatrtnytcvllsuqcjlnqidquzlctitwjvpbpdbihwvsoqlszwhrhmjblvghfbdqwstlxuvfrrzhjkakjjbswlvhibonctdbozmltksmdswmeywphzhdkfnsgdhlxnmnmayhmruplsbpqzfzqpbslpurmhyamnmnoxlhdgsnfkdhzhpwyemwsdmsktlmzobdtcsnobihvlwsbjjkakjhz...

output:

-1

result:

ok single line: '-1'

Test #24:

score: 0
Accepted
time: 1ms
memory: 4996kb

input:

gflwyilnakfxxxbrebxqjyzoaxuqhxwncjmcsxpsjvrissbyuzjqfzpvzoppvoolqxxspwkjffbqzvrxpsnxsesrtkjqyxbpwyjmwtxeyyuzwnwlglkyqdrlncbnzdewdokcjjgkkajgnitvtevlhpwwrajrdopiebknksxushairudkazyhqufhuoazerkkswyfpxzjgcrxyxkyyihocmvzcwajnkvijtnytohbsbzzbsbhotyntjivknjawczvmcohiyykxyxrcgjzxpfywskkrezaouhfuqhyzakduria...

output:

2

result:

ok single line: '2'

Test #25:

score: 0
Accepted
time: 0ms
memory: 4924kb

input:

qpvpahejsenjqjravaqxyukdqfratgqkvlbxufhnlwybfpdcquzoqjrgoliiryugojxoedvtotrsygvayramijgoatzimxecjbqnglgxezrefofeghsqqagstfchdgkmkabsojpsiizpxetdnovfobykharmjbytcbnskfkunljkrfpevkkjmivvinhrqhmskamwhxqukbhcgwgdjqvnxyiuhxbaokniwpvswuiselzguynxhxnyugzlesiuwsvpwinkoabxhuiyxnqjdgwgchbkuqxhwmaksmhqrhnivvim...

output:

2

result:

ok single line: '2'

Test #26:

score: 0
Accepted
time: 1ms
memory: 5124kb

input:

vvpefnuxjwrigvnbfrusdhwtqqlpeqgbmvfricrtaiegdrikkeeolbhcrstxlzzxxgqfihbjrfrwyzgjelxpoetfzofmoejlmzsvjvgaaxxbzfkdqjuenqmoetauzlflnagwxowymvbnblstumyjemajfcdgolrbnazkovkcrlpuyhnuwneabgliipoycgbrgabuyozrbolawyuuoaupiiytxmrbuvscvvzvjymnmzpkyjgombduldpishlmedpbaoxmojzajonjztznwckhizraicomhdoktnwhwxkhlxsm...

output:

-1

result:

ok single line: '-1'

Test #27:

score: 0
Accepted
time: 0ms
memory: 5132kb

input:

eqejbhvitsyijlbloupxipxsczvunzmrprdsyadssbcemepcagclxzfzybunaghpzkkymnsfqujfaahbgjmdkreisyyuhfmgrwgdjaizvtextoybzmgkglualsvuzjdqfjwomgphaugvihzjthtbsqegkbckkfcpryddfsmhoseyzdivldwftcnedqqnvscothrycfhqylpzpzucetjyvxeznwokorzjyshayotwckxrjsvnnenkdtlqpadgtcpruzuspnqrxokiifxxmlhpgtiyvleopvhjwbemqwfpkqxu...

output:

1

result:

ok single line: '1'

Test #28:

score: 0
Accepted
time: 0ms
memory: 4952kb

input:

fsdarrxlmzsffruegoplsphgvvndlyissmujfrxrsrwyisergtcbiljgixlvxuprijbncagurcubuyucuyfelrmtoyqlufeeohrqhxnabhexiyzczhgkytgotybpeftunmnwlaxmjdlrdmvcteptzvhsvijzocwdqjzblypubaohmljipaboxjittrujvqmlbmommdjqfzxskgacjbsgmbziuwrsmefosucgzlwfmtxxczblatrputxrpqjduotoiwvijrnylmvnlyanrreombfduqhqecfpyczkvoiicfxn...

output:

2

result:

ok single line: '2'

Test #29:

score: 0
Accepted
time: 1ms
memory: 4952kb

input:

utwglhanestizpssmlspkuqfwsxehvcbqakdkkqoemyfbsyqeqfomxuirrpyotagtkjfubvapugrmejswqjjnftfykfodfuzrfeniaoywurkacdwsmhhtdolrnufrbbstiwgqyuqwqhhsjkpdyylrdzirvpkxqeqycyqbvhxlqgeaqvdqvqjzstsniekaicakdrnyynlotpqmmwckmojehdsshesrjtdmkrkkevaxntjbpolbcwilzcdigwbrrfddwpncnpbcildxbrbdpjorlsztqdlhiqmggzitqlxzway...

output:

1

result:

ok single line: '1'

Test #30:

score: 0
Accepted
time: 1ms
memory: 5148kb

input:

mjnrimbykkhyovdmoihymbmxrektnvxzhmsrzwpjiziwullivsjhvvgpbrioohpvukmtgeeofomzzxjxrugprngseoisxyqriemqirgnfsohsaelumcoziifyrawpqpzuerfvxucrjlllrxhezvdkejivjgmbynxcgczdxbwinitehakiyosczdzklnljaklinmlmojudrpjapujnkdrjgstufgdhqrpfdcrtmlydciesephosbxbtsxzyagqtwwzynumbtqddwxhnfvfiuibmfamijcdhaehozurumuxiug...

output:

0

result:

ok single line: '0'

Test #31:

score: 0
Accepted
time: 1ms
memory: 4980kb

input:

bhpkjaznrfnylldmqvvpnuhpkpwtdkrgugqdjpsaxfzkreyhbtyqoigaxetcrkiltzqeqiennfygmwopsogiwoiwubylnjyiiomawtomaosmmicgxkovawruzsipdgxlvmnrfdffryugiymhiddkzwgzqoqtvngszulgxrmrrgxzelhoomaqigrbxhuuudmwxxcwqqnhymheyquocuemdxpaemubpizofbkyuyfskozkgtbkohxtfotjapmpxldepqcjokdaycnfyopovohafamfryxokcszsxkihpjhswms...

output:

3

result:

ok single line: '3'

Test #32:

score: 0
Accepted
time: 1ms
memory: 4972kb

input:

uacxtttozkcjyxssksfpmxwymchyhsobssbllwbngfwgepyojfdveawredplvfppyqalmeyvlxbsmcgvhmtmopfsuwfrbugbminzonwckxuybcwlqpzegeycaevdadhnnwocjkgwjauleqyvhxbpdarfgmkirrvfnljxvpvfrpsviqqppufswyzcnjmebkjovsnrhkyyaqwkiobxiirehqiuzvycfktacitmtrmvjifrxgofrfkyxuuzpubweuzjdsvymhtvsynpgdwxlixidrhumjrqfqzkkwiwebsybhnk...

output:

1

result:

ok single line: '1'

Test #33:

score: 0
Accepted
time: 1ms
memory: 4960kb

input:

obncmueifwcccegxvkszhqkrnpmeyvmnwbpkxvsctufvaluvvmxfchwsxkwxfkmdnbpkwhopdtmehgbesyjxifphsnezzrfmuuytcmkhgznnfptapdxxkoecdlecejqydothaepidexktrkjujiexpjcangeywebmylpccxhgxtaoelkpvqpkbrkqyoowtsjtdyxhvenuzpifcuvynkiodvfbltyenjzqhwzecnzccjhheefropfskmvwivcvecolynqdarffaoogttxjifdtrbrbwtxbvlowyezbxgiyuwe...

output:

2

result:

ok single line: '2'

Test #34:

score: 0
Accepted
time: 0ms
memory: 4996kb

input:

bcqatarjdfzvabdynnqexqgutwlrxbtadjdyjujpzikbknbxcrezkkwdjhvgioinzlllhvagdmjncllecrembasmjnurddgeqrpymrgseqfgbskfjqunqmzzbwsgzykpqcpetwwzmchpwuwiksvbgwahstpttaljeaoxwmzkqgznayxlqsoxqogljwedwpoasezorabhhawjatwrnkogburmqxroniqhmsxfsypbznnzhjswwicxfvlvtdmilepzymfrlwumjhnqrgppqtmvpztiefqplhrktydguxsdhiwa...

output:

-1

result:

ok single line: '-1'

Test #35:

score: 0
Accepted
time: 1ms
memory: 5000kb

input:

lcilalfjkasdtvoaqixcyuskcezhfzgsepfgclponhriefixpgzncsagyzodawvenalpnafdkylqfwnucpighknhldklzhqnjbexbkankngqjtknkuurehypkkbltrydsfcvrelbtrrdmcqxwkqbtrsfbvrvmragweenippdiggukzrhlikfzekcabzmtbvrfzfpqwtyebspamymwirxmdbmhbbacytkxybnwulbwfsyrqkpadmohodorgqvejfbkhqgddjbidactktvqgmxwpnnvfiboqeaxujcxuehyelt...

output:

2

result:

ok single line: '2'

Test #36:

score: 0
Accepted
time: 1ms
memory: 4944kb

input:

wwjucpbthcaienbdkgxfwpptwgzxumytkhnnyoigsjowyrbixyqupfplnojkdjdpqqcognwywmxwdygbzwxoemctdndiwixmyccgpzhnlejpersdorsudwpijtqhbqvcsxkjyrykxjbcavfqmzkrvccgxsnakiceipngilsgwtkxqpncrawoeyvbskbdtghbvxjdkclhxveontsevoszopahackvktyhqhmbjykhvoxijpofgjguyjbynntxjrezbqckqmtmcqumgltmubiskktxzouiiakjrmvhbptdfqrl...

output:

2

result:

ok single line: '2'

Test #37:

score: 0
Accepted
time: 1ms
memory: 5040kb

input:

euajjxjlrejaxbyvxobwfcuruietgnnmhoxrlheelpfktfgqvhpbllufuyacooqxcoqpvxvimatfhzydipgtaaawbaarorosfhjcefmshfapgyuonajpcjmdmmucflvmugoyldsvismrqgffirxkcjqoxmrfxortuirilmdvepmxxuefnbppmhgmuzrtnknjsgrfswbxnpwkjarwcjoqqucktveigtrazlgsjjrxanjkpdirmykcsmpnivvqopqnayhjjyiknswdvewjdgnxvcldzivnxldxkkjtlrfylbbi...

output:

3

result:

ok single line: '3'

Test #38:

score: 0
Accepted
time: 1ms
memory: 5028kb

input:

ryqikpuwkabqupuqkxvqocdyzphkqsxksnsccobpqcflrzddzzundzneowphpmrhclmgznvppcahegkffgskfhouedbvsueufqaefyvvayeeeojlxdvcnjyrpbohvubcndisbepeetiikuvhzqlmbkfqnvxjqaldguxhapneiyousjbtzpgcbltohsxzvlebhbkjsynbydvsmzlnqrprfkfoffnaqtdzwpippxsnanfmorzekqxrddfikukanpbmejbugthgipuzgvfsndkqirasmmubbvpigqcmlluuaqvi...

output:

3

result:

ok single line: '3'

Test #39:

score: 0
Accepted
time: 2ms
memory: 5040kb

input:

qfwcuvpxrmdracykkzznjqjuohtsztqpaotwkitdxyuzcvmnwlafdmztvsounemptfmfqhipgfoiaaxwoadtocnjwbgmhsbczpjrxugdzvnbvnzlncfdgumcxsoeksjmhsdemkjnfzocmnobrvexpqcmlsqxkbjuupyizkwgjkkvaawtvctksvwfppdaqowmduveermpdxkfxizvkuffpekgtpglgcyjztqfmcvrbhxzqywcsbjjfwpalymrckddftjrxgkznhafhwkbxtkfpcfdcrwedbiiwtbuzmvovvud...

output:

-1

result:

ok single line: '-1'

Test #40:

score: 0
Accepted
time: 2ms
memory: 5200kb

input:

qepycslklynhzkkruaucaztyrazoomsgqhevzrfmpuvpefiahffieyixajlovfuomylnsschmxytfhvmoawuyfryoeomkicyjnobfqktpjmusijgkfcjmtjdxyphirirgwunmfgdqvykdhsnouybnkemkvuuoemuaihopprfkrrpajfpddsspyfbtbwhfkdfsmtibmpmejbgsgvwmpqdnvfgwbpdluidgdnisfwwoxeigagsrxvfsanrdfuozfsikhqcomaelfnrhtlyqjdlltcpyyfzdzhohzqxntczypsf...

output:

3

result:

ok single line: '3'

Test #41:

score: 0
Accepted
time: 2ms
memory: 5076kb

input:

pjpylsynxoiagfroxaynqykxlarebqcqcuqpmocjemlnredrfbevzptnrmtuevngpdxcuznanznfdqwkucgttbilnbfrzuaoyxquzgumhktmcpxwudsngaytegmdaotammunsrbzbvldkkaepsuvusoayddbrxbfjysdpucqrpvdcxkrrenmwbmxgsyyrbfczyhoulglaeqcbautejhbkvatnargbwkdwrtscaffgwjhwfcbojebfguugndjlnokficjkkoqgazefchulnvstrnbesnrfbbmjgwtqmlymles...

output:

1

result:

ok single line: '1'

Test #42:

score: 0
Accepted
time: 0ms
memory: 5072kb

input:

bcqatarjdfzvabdynnqexqgutwlrxbtadjdyjujpzikbknbxcrezkkwdjhvgioinzlllhvagdmjncllecrembasmjnurddgeqrpymrgseqfgbskfjqunqmzzbwsgzykpqcpetwwzmchpwuwiksvbgwahstpttaljeaoxwmzkqgznayxlqsoxqogljwedwpoasezorabhhawjatwrnkogburmqxroniqhmsxfsypbznnzhjswwicxfvlvtdmilepzymfrlwumjhnqrgppqtmvpztiefqplhrktydguxsdhiwa...

output:

-1

result:

ok single line: '-1'

Test #43:

score: 0
Accepted
time: 0ms
memory: 5080kb

input:

vfitessxgeejhcxbbtxlnvvrhzfvngpkoxespwpxavgjafnbykolfjfnlkiatzkhwobnmqlpntynzlqxwgjdqosdacdtbncxedlqvyflreaqrrqpxbtprnsrqvnrlprpvefqclbvrcokveauhvkyiepacesnulcpphhtujonneyikaerxopfvfixjamflowcxevunljcqhmajqughjocqwbcynhldenaikwxxgbnpnqzdkhkvxomtrotexghbtklfikdolsgakhgwossmhehyudfrjovfygkjtpxgkfhumpt...

output:

2

result:

ok single line: '2'
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