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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#401110 | #5577. Alchemy | joelgun14 | AC ✓ | 1ms | 3828kb | C++14 | 1.1kb | 2024-04-27 22:05:22 | 2024-04-27 22:05:23 |
Judging History
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;
}
詳細信息
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'