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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#401110#5577. Alchemyjoelgun14AC ✓1ms3828kbC++141.1kb2024-04-27 22:05:222024-04-27 22:05:23

Judging History

你现在查看的是最新测评结果

  • [2024-04-27 22:05:23]
  • 评测
  • 测评结果：AC
  • 用时：1ms
  • 内存：3828kb
查看
  • [2024-04-27 22:05:22]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
int main() {
  string s;
  cin >> s;
  int n = s.size();
  bool correct[n];
  for(int i = 0; i < n; ++i) {
    if(s[i] == s[n - i - 1])
      correct[i] = true;
    else
      correct[i] = false;
  }
  if(s.size() <= 3) {
    if(correct[0])
      cout << 0 << endl;
    else
      cout << 1 << endl;
    return 0;
  }
  int dp[n][2];
  // utk posisi 0
  if(correct[0]) {
    dp[0][1] = 0;
    dp[0][0] = 1e9;
  }
  else {
    dp[0][1] = 1e9;
    dp[0][0] = 0;
  }
  for(int i = 1; i < n / 2; ++i) {
    if(correct[i]) {
      dp[i][1] = min(dp[i - 1][1], dp[i - 1][0] + 2);
      // BB -> SS -> BS
      // SB -> BS
      dp[i][0] = min(dp[i - 1][1] + 2, dp[i - 1][0] + 1);
    }
    else {
      if(i == n / 2 - 1) {
        dp[i][1] = min(dp[i - 1][1] + 1, dp[i - 1][0] + 1);
        break;
      }
      dp[i][1] = min(dp[i - 1][1] + 2, dp[i - 1][0] + 1);
      dp[i][0] = min(dp[i - 1][1], dp[i - 1][0] + 1);
    }
    //cout << dp[i][0] << " " << dp[i][1] << endl;
  }
  cout << dp[n / 2 - 1][1] << endl;
}
Source code, Language: C++14

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3828kb

input:

ioi

output:

0

result:

ok single line: '0'

Test #2:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

noi

output:

1

result:

ok single line: '1'

Test #3:

score: 0
Accepted
time: 0ms
memory: 3544kb

input:

ctsc

output:

1

result:

ok single line: '1'

Test #4:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

fool

output:

2

result:

ok single line: '2'

Test #5:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

vetted

output:

2

result:

ok single line: '2'

Test #6:

score: 0
Accepted
time: 0ms
memory: 3596kb

input:

aa

output:

0

result:

ok single line: '0'

Test #7:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

ic

output:

1

result:

ok single line: '1'

Test #8:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

tlffohemdcncrfrxaqsbzcoyodvbxmhqukvfpahnakexcmacqa

output:

12

result:

ok single line: '12'

Test #9:

score: 0
Accepted
time: 0ms
memory: 3500kb

input:

qrgld

output:

1

result:

ok single line: '1'

Test #10:

score: 0
Accepted
time: 0ms
memory: 3596kb

input:

ejyfprguvwrnrsrykyrotmdjuzroohvlxqhvyeukkvmshtpczyyecpzhsqvkxueqvhlxldhofrzcjdhtotykgrsdnrnvuyrphyjy

output:

26

result:

ok single line: '26'

Test #11:

score: 0
Accepted
time: 0ms
memory: 3768kb

input:

xcpccpcy

output:

2

result:

ok single line: '2'

Test #12:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

abpccpcp

output:

1

result:

ok single line: '1'

Test #13:

score: 0
Accepted
time: 0ms
memory: 3820kb

input:

ixpccpci

output:

2

result:

ok single line: '2'

Test #14:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

xcxccpci

output:

2

result:

ok single line: '2'

Test #15:

score: 0
Accepted
time: 0ms
memory: 3528kb

input:

xcpxcpci

output:

3

result:

ok single line: '3'

Test #16:

score: 0
Accepted
time: 0ms
memory: 3532kb

input:

ixxccpci

output:

1

result:

ok single line: '1'

Test #17:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

ixpxcpci

output:

2

result:

ok single line: '2'

Test #18:

score: 0
Accepted
time: 0ms
memory: 3752kb

input:

ixpxxycpci

output:

3

result:

ok single line: '3'

Test #19:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

yxxxyxxxxxyyxxyxxyxyyyxyxyyyyxyxxxxxxxxxxxxyyxxyxyxyyxxyyxyxxyyxxyyyyyyxxyyxxyyxxxxyyyxxxyyxyxyxxyxx

output:

19

result:

ok single line: '19'

Test #20:

score: 0
Accepted
time: 0ms
memory: 3524kb

input:

caacbbacc

output:

2

result:

ok single line: '2'

Test #21:

score: 0
Accepted
time: 0ms
memory: 3476kb

input:

xjnfkxxjfnjx

output:

2

result:

ok single line: '2'

Test #22:

score: 0
Accepted
time: 0ms
memory: 3824kb

input:

baabaaa

output:

2

result:

ok single line: '2'

Test #23:

score: 0
Accepted
time: 0ms
memory: 3568kb

input:

bbaccaabcabca

output:

3

result:

ok single line: '3'

Test #24:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

ozo

output:

0

result:

ok single line: '0'

Test #25:

score: 0
Accepted
time: 0ms
memory: 3476kb

input:

zoooo

output:

2

result:

ok single line: '2'

Test #26:

score: 0
Accepted
time: 0ms
memory: 3528kb

input:

zooooo

output:

2

result:

ok single line: '2'

Test #27:

score: 0
Accepted
time: 0ms
memory: 3532kb

input:

ccclcclllclllcllcccccclclclclccccccllllllclccclcccllclclcllcllcllccllcllclccllclcclcclclllclllclclcc

output:

16

result:

ok single line: '16'

Test #28:

score: 0
Accepted
time: 0ms
memory: 3628kb

input:

hhzhhhhzzzzhzhzzzhhzzhzzzzhzzhhzhzhhzhhhzzhzzhzzzzhzzzzhzhzhzhzzhhhhzhzzhzhhhzzzhzzhhzzhzzzzhhhzhhzz

output:

22

result:

ok single line: '22'

Test #29:

score: 0
Accepted
time: 0ms
memory: 3596kb

input:

vaaaaaaavvavvaaaaavvavavavvvvvavavvvvvavvvvaavaavavvvvavavvvvavvavvvavvvvvvvavvvavaaavavvaaaavaavvaa

output:

18

result:

ok single line: '18'

Test #30:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

pjppjjpjpjjpjppjpppjpjjjjjppjjpjppjpjpppjjjppppjpjpjjjpjpjppjpppjjpppppjpjpjjpjjjppjjjpjjjjjpjpjjppj

output:

20

result:

ok single line: '20'

Test #31:

score: 0
Accepted
time: 0ms
memory: 3456kb

input:

xxxlllxllllxlxlxllxlxlxxlxxlxxllxlxxxlxlxllxxllxllxxlxxlxxlllxxxlxxlllxxxlllllxxxxxxxlxlllxxlxlxllll

output:

20

result:

ok single line: '20'

Test #32:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

gggggvgvgggggvggvggggvvgvgvvgvggvggvgvvgvgvvvvvgvggvvgvgvvvgvvgggvvgggvgggggvggggggvvvggvggggvvgvggg

output:

17

result:

ok single line: '17'

Test #33:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

vvvbbvvbbvvbbvbvbbbbbbvbvvvbvvbbvbbvvvbbbvbvbbvbvbbvbbvvvbvbbbvbvbbbbbvbbvvvbbbbbvbvvbvvbvbbbbvbbvbb

output:

18

result:

ok single line: '18'

Test #34:

score: 0
Accepted
time: 0ms
memory: 3788kb

input:

ooooeeeeoeoeeoooeeeeeeoooeoooooeeoeoooeeoeeeoeooeooeeeooeeeeoooeeeoooeeeoooooooeoeoeeoeeoooeeooeoooe

output:

20

result:

ok single line: '20'

Test #35:

score: 0
Accepted
time: 0ms
memory: 3472kb

input:

fvfvvffvvfffvfvfffvfvfffffvvvfvfffvffvffvvvfvffvffvffvvfvfffvfvvvfvfvfvfvfvfvffvfvffvffvfvvvfvfffvfv

output:

19

result:

ok single line: '19'

Test #36:

score: 0
Accepted
time: 0ms
memory: 3564kb

input:

vvvnvnnnvnvvvnvnvvvvvnvvnnvnnvnnvvvnvnnvvvnvvnvnnnvnnnnnvvvnnvnvnnvnnvvnnvnnvnvvvvnvvnnnnvvvnnvnnnvn

output:

20

result:

ok single line: '20'

Test #37:

score: 0
Accepted
time: 0ms
memory: 3820kb

input:

vxvexexxexxvvexxeexexvvvxexxxvxeevxeevvexvevxevexevxxvvevvevexexeeexxexvxexeexvxexvevxxxxxxxeevvexev

output:

22

result:

ok single line: '22'

Test #38:

score: 0
Accepted
time: 0ms
memory: 3788kb

input:

fssfkffsfsssffffsskfssssfkffkfksfkssfsffkkfffssksskfkskkkkkkfffffkkkfkkfffffkfsssskkssfksffffffffkff

output:

21

result:

ok single line: '21'

Test #39:

score: 0
Accepted
time: 0ms
memory: 3752kb

input:

effyeyyeeyeefefyeyfffeeeffffyfyefyeyyyfefeffyefyyefyyfyfffyyfyfefefyfyeffyffeyfeefffyyeeeyfyyeffeffy

output:

22

result:

ok single line: '22'

Test #40:

score: 0
Accepted
time: 0ms
memory: 3628kb

input:

attftftaatataftfaftfftffaaafatafattffatfffattatattttffttaffaftaftafffaffatttatatftaafattttffaffttfff

output:

21

result:

ok single line: '21'

Test #41:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

dxdttddxxtdxxddxxxtdxtdtddtddttxxddddxxdxddttxdxdtttddtdxttdtdxxttdxtxxxtxxdtxxdxtxdtdtxdxttdttxxxxd

output:

21

result:

ok single line: '21'

Test #42:

score: 0
Accepted
time: 0ms
memory: 3756kb

input:

etetetextttxetteexeetttteeetxeeeexxeeettexeteteeexetxtexxxexeeetexxxttxetttxetxetetxxxeexxteteexextt

output:

25

result:

ok single line: '25'

Test #43:

score: 0
Accepted
time: 0ms
memory: 3600kb

input:

cuccddddcuccduuduccdducdcudcdccducdcccccduucdducccuuucddcdccdudddcccddudcdcdududuccdudduduucdduddddu

output:

21

result:

ok single line: '21'

Test #44:

score: 0
Accepted
time: 0ms
memory: 3752kb

input:

eeleleeljljjellejjlejjleelljllllllleljljllelejjeeelllejjjjljeeejjleljlelleejjejeleeleeljejejjjejelee

output:

23

result:

ok single line: '23'

Test #45:

score: 0
Accepted
time: 0ms
memory: 3788kb

input:

kkkvkyvvkykkkkyyyvkyyvvyyvvykvkkvvvyvyyyvykkykyyvvkvvyyyykkkyvkykvyyyvkyvkkkkkkkvvvkvvyvvkkkkkyvvkvv

output:

23

result:

ok single line: '23'

Test #46:

score: 0
Accepted
time: 0ms
memory: 3628kb

input:

fddfftftfdfffdtttdfdffddtdffdtffftdfdffftddddffdddffddtddftfttdtfdtffdftttdtdfdfdddttffftdtfddtttfft

output:

19

result:

ok single line: '19'

Test #47:

score: 0
Accepted
time: 0ms
memory: 3600kb

input:

aoaoaoaaaoaaoaoaoaooaoaoaaooaoaaooaaoooaooaooaaoaooaaaaaoooooaaoaoaoaaaoooaaaooaaaaaaooooaaaaaaaaoo

output:

21

result:

ok single line: '21'

Test #48:

score: 0
Accepted
time: 0ms
memory: 3788kb

input:

yyyyydddyyddyyydddyddddyyyyyyddydydyddyddyydyddddyyddddyyddyyydyddyddddyydyyydddddyddyydddddyyyddyy

output:

20

result:

ok single line: '20'

Test #49:

score: 0
Accepted
time: 1ms
memory: 3628kb

input:

eaeeaaaaeaaeaaaaeeeeaeaeaaaeaeeeaeaaaaaeeaaaeaaeeaaaeeaeeeeaeaeaeaeeaeeaaeaeeaaeaeeaaaeeeeeaaeeaaaa

output:

22

result:

ok single line: '22'

Test #50:

score: 0
Accepted
time: 0ms
memory: 3596kb

input:

yeeyyyyeyyyeyyeeyyyeeyyeeeyyeeyyyeeeeeeyeeyyeeyyeeyyyyeyeeeeeyeyeyeyyeyyyeeeeeeyyeyyeyyyyyyeyyeyeye

output:

21

result:

ok single line: '21'

Test #51:

score: 0
Accepted
time: 0ms
memory: 3528kb

input:

mummmuumuummmuuumumuumummmumumuumuuuuumumuuuumummummmumuummuumummmumuuummmmuummumummuuuuummuumuuumu

output:

22

result:

ok single line: '22'

Test #52:

score: 0
Accepted
time: 0ms
memory: 3524kb

input:

cnnnncncncnccnncnncncccnnccnccnncccnnncccnccccnncnnnnncccnccccnnncccccnccncncncccccncnncnccncnccnnc

output:

18

result:

ok single line: '18'

Test #53:

score: 0
Accepted
time: 0ms
memory: 3820kb

input:

iiirriiirriiiriirrririrrriiririirriiriiriiiirrririrrrrrriirrriiiirriiiiiiiriiiirrririiriiiiirririrr

output:

17

result:

ok single line: '17'

Test #54:

score: 0
Accepted
time: 0ms
memory: 3812kb

input:

kkkkkkekeekkeekekkkeeekkkekeekeekkkeeeeekkekkeekekkekkkeeekeeekeeekkkkkkekkeekkekkekekkeeeekekekeek

output:

19

result:

ok single line: '19'

Test #55:

score: 0
Accepted
time: 0ms
memory: 3812kb

input:

gdddggdddggdddddgggddgdddgggdddgdgdggdgddgdddddgggggddddggggddddgddgdgddgddgggdgdgggddggdgdgddgdgdg

output:

19

result:

ok single line: '19'

Test #56:

score: 0
Accepted
time: 0ms
memory: 3628kb

input:

piipippppippiiiippiiipppiipppiiiiipiippiiiipiipipiiippppippipipippppipiipppippippppipiipippppiipipp

output:

18

result:

ok single line: '18'

Test #57:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

kfppkkfkpfkppffpppffkkfkpppfkpppppkkfffkkfppfffkfpppkppffpfpkffkkppppkpffpkpkpkkkfkpkfkkpkpkpfkpkpk

output:

19

result:

ok single line: '19'

Test #58:

score: 0
Accepted
time: 0ms
memory: 3628kb

input:

ggaaaamggmmgaagagaagmgggmamgggmmammmaaggggmaaaaggagmmmgmaaggagagmaaammmmammgagmgamgagaaamggaamgagga

output:

21

result:

ok single line: '21'

Test #59:

score: 0
Accepted
time: 0ms
memory: 3600kb

input:

phhnphhnphnphhnnpnhpppnnhnnpphnpnnhhhphnpnnhnpnpphphhhhpphnphnnpphpnhnhnhhhnphhhppnphnphnhhpnhphnhn

output:

23

result:

ok single line: '23'

Test #60:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

ebbbebeeeeebzzbezzbbbzebzebzeezzeebzzeeebzebebbezezebbeezzzbzbbeezezbbezezbeeebbzebzzezezbbeebzezee

output:

17

result:

ok single line: '17'

Test #61:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

hhhttatththhaahthhhataaaahaaaahahhaahhtttahhaataaahthhataahaahhttahaththhhhhahaatthaahatahaahaahtha

output:

21

result:

ok single line: '21'

Test #62:

score: 0
Accepted
time: 0ms
memory: 3472kb

input:

ycccsysccsscycsysyyycsyssssscycyyccccycyycssssysscsycscssscscyyycyysycsysyyccscyyscccyycysycsycyycs

output:

20

result:

ok single line: '20'

Test #63:

score: 0
Accepted
time: 0ms
memory: 3748kb

input:

hhphpjhhhjhjphjjpjhpphhhpjppphpjpphjhpppjhhjpphjjphpppjppphppjhhphjpjphjhppjhpppjjjhjhjhjjjjhppphph

output:

23

result:

ok single line: '23'

Test #64:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

assjjsssajajssssssasjsasjsjjajasjjassaassasaajjssjjsasasaasjjjjasaajsssasaaaasjssjajaasajsajsjsjjja

output:

20

result:

ok single line: '20'

Test #65:

score: 0
Accepted
time: 0ms
memory: 3596kb

input:

cwwkwkcwwcwwckwwwkkcwkcckkkwwcwcwkkkckwkwcwkcckkwkwkkcckckwkwcckcwcwkcwckkckwkwkkcwkkcwwkcccckkwwkk

output:

19

result:

ok single line: '19'

Test #66:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

plpwplwplpwllppllppllwwpwwwllplwlwwlplwplppwlplwlppwplllwwplpwlwppllpllwllwlwppwlpppwwwwwlppwwplwlp

output:

22

result:

ok single line: '22'

Test #67:

score: 0
Accepted
time: 0ms
memory: 3560kb

input:

cchrrhrwwrrwhwrrcrhwchhhhwwhhwchhcwwrhrwhhwwcwhwrcwwrwrrhhwwrwhcwchcwhwrcwrcrhcrrcrwwcwcrccrccccrrr

output:

22

result:

ok single line: '22'

Test #68:

score: 0
Accepted
time: 0ms
memory: 3820kb

input:

hjjhhrjhhrgrghggrrjrrrrgrjhhjjrrggrjrgjghrrhjghjhrggrjjhrrgrhggrgjgjhjhhghhjrgrhjggggjjhjrhghrhhrhr

output:

19

result:

ok single line: '19'

Test #69:

score: 0
Accepted
time: 0ms
memory: 3756kb

input:

wfwnfnfwccwnfcfwwnfwnfwfcccfccwffnwcncncfcwwnwwccccnnfwccffcfncwfccfwnnnwnwncccfcwfffcnfwwwwwwnncnc

output:

22

result:

ok single line: '22'

Test #70:

score: 0
Accepted
time: 0ms
memory: 3788kb

input:

bgbbwxbxggggxxwwwbbwxxgwgxwgwbxbgbwwwwbgggxwbwxgwxwbxgxwxwbwgbxwxxwwbxbbwxwgwgwxxgxgxwbwxgwxbbwxgbw

output:

23

result:

ok single line: '23'

Test #71:

score: 0
Accepted
time: 0ms
memory: 3532kb

input:

zwzwzzcwczzzzwcwmmzmcczwmwzzzwcccczzwzzzczwcwmccwzmccmwwcccwzcwzcwzmwwzwcmwcccwccwczmmzwzmwcwcwmmcc

output:

22

result:

ok single line: '22'

Test #72:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

abbbybbaxabbxbyyxbxbxxxxyybbayaabxaxabxybxbybbaaxbyybyyaxybayxyxybxbxbyyaxaybbyyyayyxxbxbabybxabxyy

output:

22

result:

ok single line: '22'

Test #73:

score: 0
Accepted
time: 0ms
memory: 3568kb

input:

grzrzrrrzggggrgzkzrkzrggkgkkkrgzrzkzzgzkrkzkgkkrzzgkzzrzrgkkzkzkgzrkgrgkzgrzrzkgkzrgkrrrrkrrkrrkkzg

output:

24

result:

ok single line: '24'

Test #74:

score: 0
Accepted
time: 0ms
memory: 3632kb

input:

xxmxyxdmdyymmxmmxdmyyyxmdmxymxyymmyyymdymyydxymyxxyyddmdydyxxdmxxdyxdmdyxyddxdxydxddmmyxyydymmymddm

output:

21

result:

ok single line: '21'

Test #75:

score: 0
Accepted
time: 0ms
memory: 3560kb

input:

grgffrrgfrrrfbfgbbrfggbrbbbgfrbgrbgfgfgbgfbrrrrrbfbgbbbbfffbfrrrrfrrbbgfgffrfbggrrrfbrrgrgfrffrbrgr

output:

24

result:

ok single line: '24'

Test #76:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

wgfguufuufgwfugwwugffgwgffgufgfufugwffgwuwguwufuguwuwwfwuwfguguuugfggufgufuwufuwfwwwwgwgwgfgffuuguu

output:

23

result:

ok single line: '23'
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