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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
#211802#5051. Namomo SubsequencebigJAC ✓1133ms786116kbC++201.9kb2023-10-12 21:23:112023-10-12 21:23:11

Judging History

你现在查看的是最新测评结果

  • [2023-10-12 21:23:11]
  • 评测
  • 测评结果:AC
  • 用时:1133ms
  • 内存:786116kb
  • [2023-10-12 21:23:11]
  • 提交

answer

#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int maxm=1e6+5;
const int mod=998244353;
char s[maxm];
int a[maxm];
int sum1[66][66];//AB的数量.
int sum2[66][66];//BAB的数量.
int cnt[66];
int f1[maxm][66];//[1,i]以Y结尾的XY数量.
int f2[maxm][66];//[1,i]以X开头的XY数量.
int cc[maxm][66];//[1,i]中X的数量.
int tot[maxm];//[1,i]中XY的总数量.
int n;
int cal(char c){
    if(c>='0'&&c<='9')return c-'0';
    else if(c>='a'&&c<='z')return c-'a'+10;
    else return c-'A'+36;
}
inline void add(int &a,int b){
    a+=b;
    while(a>=mod)a-=mod;
    while(a<0)a+=mod;
}
inline void DP(){
    int ans=0;
    for(int i=n;i>=3;i--){
        for(int j=0;j<62;j++){
            if(j==a[i])continue;
            add(sum2[a[i]][j],sum1[j][a[i]]);
            add(sum1[a[i]][j],cnt[j]);
        }
        cnt[a[i]]++;
        for(int j=0;j<62;j++){
            if(j==a[i])continue;
            int temp=tot[i-1];
            add(temp,-f1[i-1][a[i]]);
            add(temp,-f1[i-1][j]);
            add(temp,-f2[i-1][a[i]]);
            add(temp,-f2[i-1][j]);
            add(temp,1ll*cc[i-1][a[i]]*cc[i-1][j]%mod);
            add(ans,1ll*sum2[j][a[i]]*temp%mod);
        }
    }
    printf("%d\n",ans);
}
inline void solve(){
    scanf("%s",s+1);
    n=strlen(s+1);
    for(int i=1;i<=n;i++)a[i]=cal(s[i]);
    for(int i=1;i<=n;i++){
        for(int j=0;j<62;j++){
            cc[i][j]=cc[i-1][j];
            f1[i][j]=f1[i-1][j];
            f2[i][j]=f2[i-1][j];
        }
        cc[i][a[i]]++;
        for(int j=0;j<62;j++){
            if(j==a[i])continue;
            add(f1[i][a[i]],cc[i-1][j]);
            add(f2[i][j],cc[i-1][j]);
        }
        for(int j=0;j<62;j++){
            add(tot[i],f1[i][j]);
        }
    }
    DP();
}
signed main(){
    solve();
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 5652kb

input:

wohaha

output:

1

result:

ok 1 number(s): "1"

Test #2:

score: 0
Accepted
time: 0ms
memory: 5768kb

input:

momomo

output:

0

result:

ok 1 number(s): "0"

Test #3:

score: 0
Accepted
time: 1ms
memory: 7680kb

input:

gshfd1jkhaRaadfglkjerVcvuy0gf

output:

73

result:

ok 1 number(s): "73"

Test #4:

score: 0
Accepted
time: 0ms
memory: 7708kb

input:

retiredMiFaFa0v0

output:

33

result:

ok 1 number(s): "33"

Test #5:

score: 0
Accepted
time: 670ms
memory: 786076kb

input:

bcdccccacccabdbdaddcabddbaccaaaaaabaccbbbcbbddabcbccabacdacbcbabccbcbddcdcbcaaadddddccdbabaabcbbcaaadadacdaadbdccbddddabcbaaddbcadadcbcbaaccacabdababaabdccadaddacdcacdaabbadadaddbbcccbcddaccaadbbcaaccccdcacbdbdddbaccaacbcaccaaabccdadddbaabdbcaaccacdcdcbcdddacbcacdbbbdccdddccccabdbacddacbaacbbcaccdcd...

output:

587599316

result:

ok 1 number(s): "587599316"

Test #6:

score: 0
Accepted
time: 695ms
memory: 785812kb

input:

cedcedaecbbcaceddaacaebeecdaceecdeeedaeebddbcabddeeeeaeeebcbcbabdaeeabddbcebecebaddadacedbacdabcedcecbecedacaedbdaaeaeedcbbcddbbbbdecbeedeadcbdacbeadcadaeeccbdeabedbabbbecbabaaeacdbcbbdedbaebaeadcdcacceeeccedcdcecdbcadcdecbdccadbdbdabbeacbaaacecbabdcecebecaebedcebcccacbcbcdcccdaaaaeacaabeedcbbbaeeea...

output:

604741630

result:

ok 1 number(s): "604741630"

Test #7:

score: 0
Accepted
time: 669ms
memory: 786080kb

input:

dcbbbdcafbfbcdbddfdebcebbfbedfafeadcceeafbdabbbfcefadaedbecbcfaeccdfddbfbeebceadcdeaaefcbecbaececdeddaeefdeaaeaecbdbececdadcacbbefdbbffddeefcecabbecafbbeaaeebedbeabbbaeabedaecffebfcbcfabedebcbadbbfbbebdfdaefcedbdeaacbebcdcbfbfdcabbcadddbdaeabbcdcdfbdfdbcaaaafbfdfabdcdeebcfebecdeacaddeebfecfccadcfdea...

output:

137937394

result:

ok 1 number(s): "137937394"

Test #8:

score: 0
Accepted
time: 712ms
memory: 785872kb

input:

bdfcdcegecbacccddgfdaddgaggefagabgggafgbaeaecgeacacgccadbfdebbdgbaffffgaegabeebacedabecgdfcbbfceeaecaaceebabddbfgefdabgbdbgggdgfegaadccdafgggeafdeecccaafgedfcbefdccafaaaafdcfaeagfeddggcfeeaacgaabadeegebfageeaaceaggddddfcggggdbeefeacdbafggffcdbcaacbaagbcceageaacedceeebacfebgceggffefgabgeaebacdbadcaeg...

output:

830637896

result:

ok 1 number(s): "830637896"

Test #9:

score: 0
Accepted
time: 678ms
memory: 786112kb

input:

bdceebdaahbcgefdbahfcaaaffhfcffgfbaefgehbefdgcgfcafbfdehdeccdbaacdffbhdhdfhdaeehfebgccghchdggcccdbafheaaadhefcbbdeddbfhaehddegcefebghgdahegfefeecbdacffaadbaehahcdbhcdfbacdgfefgeccfgbcbhdfggeecbggbhffceegaahfbahgdebfchhhddfhfcfcdfeddbcabggdfgacaeghechabbdaafbeehgaebfadfchahgdhgggfhehhcehedafhcfcgeegg...

output:

165134706

result:

ok 1 number(s): "165134706"

Test #10:

score: 0
Accepted
time: 726ms
memory: 786080kb

input:

gfgdeabdacecfgadbgbadgbhgafhfhdiageeefghgbhbfhhfaaideehaieaddhcabgdhidbdefeagdfchhccdabchhahgfddchdiegbhfdddefddbcaabhhhgghaafacbbbbaeagacbbdabdidibhgbihdahdeghaheedfechbhfbcabidafeccbcbfdcechdfddffbeagcegagfegdafeaabcafgbcfechhiaiechdhhfdcbceefbccdcadeachcffhaebhbiadgeeggfaeefiaecahdgfgaehcagaaffbc...

output:

729999334

result:

ok 1 number(s): "729999334"

Test #11:

score: 0
Accepted
time: 742ms
memory: 785900kb

input:

hcajfffideibggdfbdjjfbifgdcjibhdedgdibdgfjabaeijabebibcjfaddbiehadgggeadcaedieccdcgigccajjeicgbeijbahjjjghicaigiejgihiabeeggbfjdididdbggfcbhjajbjjgdabihijjddfhdhchggeegiecidjibdcccghfhcffcfehihdedgecbdfjjjiecedfhfjiefhjefbgbieeahcccfggcihbdbgjbdfhhbfghjeaijfagcgchaabijcdedjadfhgbgeefiijhhhcgfjeaadbe...

output:

342396794

result:

ok 1 number(s): "342396794"

Test #12:

score: 0
Accepted
time: 908ms
memory: 785944kb

input:

qsjdnlenipkknuvegwcozcrunnssjmuhdzvzocimsoqzdxsodpsfxhphbwgimyfzzuxowavmsncjjvxdksrambjzbuzkyqdbplbjxrdsacpgbiuzsalkytskdgsxcsblvzyvcgnieysbmeoyfaroxmuetwcvdkhyvlkwqdewldziradjmnkusdsrnybvhylzqroiblkloioqrtybukgmwwxqyjevkijesdddyjagspqqfdmkrhcnjaxcksolmetbutvcigrfhaghmjlzloqkxjooqutmejzhvpmmxzoupjoy...

output:

905453170

result:

ok 1 number(s): "905453170"

Test #13:

score: 0
Accepted
time: 916ms
memory: 785888kb

input:

antlkibnsqqmzaclyvinisylidtvoabqcndzhltrbohfqdfmdzzlyphhqhdbgdgcciyofikhxrqddkcenwhedsjbdwfqcdtrlmdpgpsbxebtwlucklnjqcbjeponmmxfbiuqwhtddfzfephrayohdqfkmzjtjqcywfkcvbtueapgzrlxoecguifcryoygybkkzjkpbmyscnfblbkcolqqeoffahxhbaupbzeazkjjwekeithdymqflpddwpwmpfsvlxwrwkpoetxuborumpzciuytnhgqqzfxbgrqjycqhkd...

output:

82912821

result:

ok 1 number(s): "82912821"

Test #14:

score: 0
Accepted
time: 881ms
memory: 786112kb

input:

khpwaiqnxudrpjjonholcibhhtuokklklxqlxtjzgtqekubgzwhznxzlbowxrseobjzswqvtcvlttnvyxaueqyferdhfbumuzobnmnmoxkkgnxhmykxezptnczshsotuqyqqfmwyuusowieyvskaagzcschzxasckzfezkznakkaeekgyumiabsjhkefbhyrrurqzjalbbecpiiyheqcxifnuwplabncdkweyuqbxhkecujztklbuegdseqzmevordemwmhysmtngpvfdsgskghujbnhkflycnwhbdiorbcw...

output:

659276694

result:

ok 1 number(s): "659276694"

Test #15:

score: 0
Accepted
time: 1065ms
memory: 785900kb

input:

yBsLfzzQCCwjLbfElpCOuMIyMwgSzrQLBnGYJWXFtobNLEGEYDOZUYKyviwbLelicegOrmebrrJkDDsyBDQiFxfHRecxeBUXZikRUctjMLaduPhhbMbgiQjRSrPkZuPoCTcmIrOwxhHTApmNTOwbSrSIKtxlSsVLOuLsfMDqpUHmVTyKzBdUVcJNJdLSDfTLFqVLCJEhkEOadDRRSRRNHefbsKopXMjAgTvXAAnByekMBgzgkbIwMKMeikEKfZzyqVoJVQevMNqXkfROFGjNBqZeDPDTVcTWnxckFdcOsMnj...

output:

916227453

result:

ok 1 number(s): "916227453"

Test #16:

score: 0
Accepted
time: 1110ms
memory: 786116kb

input:

mOGlQDSIpgfWtkiprbIfCGqllMlDEGeykbTgDFMsGSwTYsFcyWvFNkCgGTTXXTIUXrlSiYPWarEebKtOIvHmoljJaZehmSNVNJmqdaiWrRRQOTdNXSHNzYoQTxlaFoHEECYMQSNUnSOcShFbOMTCXdZWYbsNoQmpTouQkNwRlSTFdOBcxnrSXhayNLbScOQsvBZjQWfQSzFuVSyaAVwrTnwQDGvRYqXqyQsUYUPtMTrgVTPzsKhDfveExWfrRhqmqSvvwGbFuNdRSbUCwEiCjpEXPljvhJBMGJSwZBMWYpjc...

output:

205677196

result:

ok 1 number(s): "205677196"

Test #17:

score: 0
Accepted
time: 1133ms
memory: 785876kb

input:

fcD8e11SNuQ6pCULajtOr703RJpyQUDlmMcuP9L3rqRUi3NwKwxy7fnHb3d1RZdtnfFYvZEHJiQ1Woo6ThBnLxdtlBoLIMDvhZrXQTCHnAvnsNtaOfeDBzUZs2QcZstg7qEKo2WEBXAYa1FLLGMeoWfWhCDLE1eIZcepHViqkBXI5xoaUcf6RJApTzbYQnX1nIqkiGQjXUNlATaPByxRHo2ylfaqogW4c61wQVriSUhHerRQD9A3sbivWiJcwCbHpmpwBbmGkhrLYmV7xpwlwTUxgkRWCJ7DQFisYSxRv7QD...

output:

133494571

result:

ok 1 number(s): "133494571"

Test #18:

score: 0
Accepted
time: 1089ms
memory: 785872kb

input:

x4lsq2ZiboEadrneLYd1D3470OktjwPGpjdAtY2KaU2flHECAX68slVa68glymIhK54oblx8QPPRYp5o5k9We7vuCWYk35QHpw3JjkRalGZMN3tPK7MkXYlhrvAS725L7GGQcb4i6wL9Ew2KDxR1mcBAYSJTg7waIChN8q8My9Ifts43gdQGBxPY3PUGb2Motnyi7EMcdVsYbrxYa8RzSi55y84D7M7yWlnmkWnugPzhxgw0f5zCk0F7q4f5yz3jBnEkiInHGZM1a2aUavdOwBtz40XtqMt7eTSIB6hPfD2z...

output:

315491414

result:

ok 1 number(s): "315491414"