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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
#231571#6567. Repetitive String InventionNerovixAC ✓260ms6368kbC++141.8kb2023-10-29 14:17:412023-10-29 14:17:42

Judging History

你现在查看的是最新测评结果

  • [2023-10-29 14:17:42]
  • 评测
  • 测评结果:AC
  • 用时:260ms
  • 内存:6368kb
  • [2023-10-29 14:17:41]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define db long double
#define pb push_back
#define pii pair<int,int>
#define fi first
#define se second
#define pb push_back
#define mpr make_pair

// #define int ll

const int mod=998244353;
int add(int x,int y){
    x+=y;
    return x>=mod?x-mod:x;
}
void adto(int&x,int y){
    x+=y;
    x>=mod?x-=mod:x;
}
int mul(int x,int y){
    return 1ll*x*y%mod;
}
int qpow(int a,int b){
    int ans=1;
    while(b){
        if(b&1)ans=mul(ans,a);
        a=mul(a,a);b>>=1;
    }
    return ans;
}

const int maxn=8e2+10;
const db eps=1e-11;
const db pi=acos(-1);

int n;
string s;
int lcp[maxn][maxn];
void solve(){
    cin>>s;
    n=s.size();
    s=" "+s;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            while(i+lcp[i][j]<=n&&j+lcp[i][j]<=n&&s[i+lcp[i][j]]==s[j+lcp[i][j]])
            lcp[i][j]++;
        }
    }
    ll ans=0;
    for(int i=1;i<=n;i++){
        for(int j=i;j<=n;j++){
            for(int k=j+1;k+(j-i)<=n;k++){
                if(lcp[i][k]>=j-i+1)ans++;
            }
        }
    }
    // cout<<ans<<"\n";
    for(int i=1;i<=n;i++){
        for(int j=i;j<=n;j++){
            static int pre[maxn];
            for(int k=1;k<=n;k++){
                pre[k]=pre[k-1]+(lcp[i][k]>=j-i+1);
            }
            for(int k=1;i-k>=1&&j+k<=n;k++){
                if(lcp[i-k][j+1]>=k){
                    if(i-k-(j-i+1)>=1)ans+=pre[i-k-(j-i+1)];
                    if(j+k+1<=n)ans+=(pre[n]-pre[j+k]);
                }
            }
        }
    }
    cout<<ans<<"\n";
}  

signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0),cout.tie(0);
    // cout<<fixed<<setprecision(20);
    // srand(time(0));
    int t=1;
    // cin>>t;
    while(t--)solve();
    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3844kb

input:

aaaa

output:

9

result:

ok single line: '9'

Test #2:

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

input:

axabxbcxcdxd

output:

22

result:

ok single line: '22'

Test #3:

score: 0
Accepted
time: 35ms
memory: 4864kb

input:

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx...

output:

536006700

result:

ok single line: '536006700'

Test #4:

score: 0
Accepted
time: 26ms
memory: 4864kb

input:

abababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababab...

output:

136016600

result:

ok single line: '136016600'

Test #5:

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

input:

a

output:

0

result:

ok single line: '0'

Test #6:

score: 0
Accepted
time: 0ms
memory: 3520kb

input:

ab

output:

0

result:

ok single line: '0'

Test #7:

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

input:

aa

output:

1

result:

ok single line: '1'

Test #8:

score: 0
Accepted
time: 19ms
memory: 4844kb

input:

bbbbbrrrrbrbrrbrbrbrbbrrbbbbrrbrrbrbrbrrrrrbbbrrbrrbbrrrbbbbbrrrrbbrbbrrrrrbbrrrbbbbbrbbrbbbrbrrbrrrrrrrrbbrbrbbrrrrrrbbbbbrbrrrrbrrbbrbrrrrrbrbrbbrbrrbrrrrbrbbrbrrbrrbbbbrrrrrbrbbrbbrrrrrbrbrbrbbbrrrrrrrbbbbbbrrbrbrrrrrbbbrbrrrrbbbbrrbrrbbbbbbbrbbbbrrrbrbbbrrrrrrbbbbbrbrrbbbbrbrbrrbbrrrbbbrbbbrbbrr...

output:

209015

result:

ok single line: '209015'

Test #9:

score: 0
Accepted
time: 18ms
memory: 4720kb

input:

fkrryithikkpurfezufbthxxrtejxpprhrhurrfziigzgajipayrefarpxuggehkiggeppfjghuyejuagkjpiezhmfizgphkkfffifihrimuhgtgzykfupbprjyrbpbimapjmbkrhubzhgfhhpkrxgjgmkheiiugiyerggyukyfuuxgrehgayafzuxymxxabygpapbjxipkxgbxhzpekypfghaumukguaipphiyhzimzfmpmzahbmaagytygyekzhktbbheetxrbipgytppgbhkpimrybkbeirhrzytfehba...

output:

5696

result:

ok single line: '5696'

Test #10:

score: 0
Accepted
time: 19ms
memory: 4828kb

input:

ayeaecauuueerrcsyyyuayauarecyrruueeucacrrcesercyeasuscucscruaaresaeruurreeursssuyraeysurecacueuacycacsyuyeyusssassaasyuarrcecueayacucuyyrsasrycyrrcececyuccecyreyeccuesaasceasussaraeruyarcauarcecacrucryryseysauaucyaeyurueurerrccrayyyycccsuaaesrecurucerrascyacucucryarycayeesyysusserarseyrauyrryeacauec...

output:

18249

result:

ok single line: '18249'

Test #11:

score: 0
Accepted
time: 18ms
memory: 4828kb

input:

lclccclcclllccccclcclclcccclllllcclcclclcclllllcllccclclclccclccllcclccccccllccclclcccclclcclclccclllllccclcccccclllllccllcclclllllllccclllcllllccccccccllccclllccclcllllllllcclccclccccllccllclclcclcllcllccclcllclllclclllclllcllcclclllccclcclclllclllllllcclllcccccllcllcllcclcclcllccclclllclclcccllcll...

output:

207835

result:

ok single line: '207835'

Test #12:

score: 0
Accepted
time: 15ms
memory: 5020kb

input:

lygxvkxeeiixzzpamosqadacrnyierrztikxheupgbkfkstyjrmyvhmjrhfhwfdeyhzuyhhbczbjgcnzouiufetegmnvxoeqxiykkwysdnnmdjtpwwzpdaqzmwmapbqbdjsdoxmpbvseyfrrqpgteehoxqsjszykfqgdmcgwikavcnhoubonianpecjtumdutpxwioqtkystzndrbtlfircdsnsxraoitswvhjirqxxjrnjjsldbmdcjngecdaotrgxvikyfyjlbbeketxrxeknuxmxehvabyyyxnrchukft...

output:

3442

result:

ok single line: '3442'

Test #13:

score: 0
Accepted
time: 16ms
memory: 4872kb

input:

yjjxyyxjxyjjyxyyjxyyjxjxjxjyxyxxjxjjyxxxxxjjxyxxyjjxxjyyjjjyyyxjyjxjxyjjyjxjyjyyxjyjyjyyxxyyxxxjjxxxyyyjjjyxjyxjxjyjxjyyyjjxxxjxxjxjjjyjxjyjyyxjyjyjyyxxyyxxxjjxxxyyyjjjyxjyxjxjyjxjyyyjjxxxjxxjxjyjjxyyxjxyjjyxyyjxyyjxjxjxjyxyxxjxjjyxxxxxjjxyxxyjjxxjyyjjjyyyxjyjxjxyjjxyyxjxyjjyxyyjxyyjxjxjxjyxyxxjxjjy...

output:

103111

result:

ok single line: '103111'

Test #14:

score: 0
Accepted
time: 20ms
memory: 4804kb

input:

lhllhlhlhllhlhllhhlhhhhllhhlhhhhllhhlhhhhllhllhhllhhlhhhhllhllhhhhhllhhlhhhhhlhllhlhhlhllhlhhhhllhllhhhllhhlhhhhhhlhllhlhllhhlhhhhhhlhllhlhhllhllllhllhhhlhllhlhhhllhhlhhhhhhllhhlhhhhlhllhlhllhllhhhhllhllllhllllhllllhlllhllhlhllhhlhhhhhhhllhlllhllhlhllhhlhhhhllhllllhlllhllhlhllhllhhhhhhhllhhlhhhhllhh...

output:

298186

result:

ok single line: '298186'

Test #15:

score: 0
Accepted
time: 21ms
memory: 4796kb

input:

blbllblbblbllblbblbllblblblbblllblbbllblbllblbblbllblbblbllblblblbbllblbllblblblbbllblbllblbblbllblblblbbllblbllblblblbbllblbllblbblbllblbblbllblblblbblllblbblllblbblllblbbllblbllblblblbblllblbblllblbbllblbllblblblbblllblbbllblbllblbblbllblbblbllblblblbblllblbblllblbbllblbllblblblbblllblbblllblbblll...

output:

510790

result:

ok single line: '510790'

Test #16:

score: 0
Accepted
time: 16ms
memory: 5020kb

input:

aqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaaqqaqaaqqaaq...

output:

584698

result:

ok single line: '584698'

Test #17:

score: 0
Accepted
time: 260ms
memory: 6356kb

input:

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx...

output:

8554693400

result:

ok single line: '8554693400'

Test #18:

score: 0
Accepted
time: 198ms
memory: 6128kb

input:

abababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababab...

output:

2154733200

result:

ok single line: '2154733200'

Test #19:

score: 0
Accepted
time: 145ms
memory: 6368kb

input:

abbbabbaaababbaabaaababaababbaabbbbbaaababbbbababbaabababaabbbaaabbababbababbabbbaabbabaaabaaabbbabbabbabaaaabbabbbababaabaabbaaaabbbbbbbababaabaababaaaaaabbbbbbbaaabaabaababbabaabababbbbabbabbaabbbaaababbbbabababababaabbbbbbbbbabbbbababaaabbbaababbbbaabbbbaabbaababbaaaababbabbabbabbabbaaaaaabbbbaab...

output:

930632

result:

ok single line: '930632'

Test #20:

score: 0
Accepted
time: 143ms
memory: 6072kb

input:

acbaabcbabcccccbbaaacaaacbacaabccbbccabbbaaacacbaccbaaaaaacbbcbabacaabaaabcbccbbccbaaabacacccacccbabcbbcaaabbaacaaabaabcaaccbacacbcbcacbbbbaacbbcccbbccabcacaaabcbbbbacbcbcaabbbccaabbcbacbcaccabbbcccccbcbbbabcabcacbccccacabccbccbccaaccbbbbbccbabbbcaabbaacaccacbcbaabbbbabbccbcacacbbcacbbccbacbbbcacccc...

output:

304687

result:

ok single line: '304687'

Test #21:

score: 0
Accepted
time: 138ms
memory: 6096kb

input:

gvqghqqtyruttomyqtjlimqxhhoiboxzggiduzwyaagmtvvogqwcfsgvnvzncgmhtpjtmnqekqyhzyvvnfofasxkcvrhlydmpfulmeugpayixcixaijfmkvhhbgikpyjlmvzrzbkhmtymjfkqzwafvimebzixveouiuwlkljnilpzdvrcygbtdsimysonrpolsunmdeqgatgudbkuihzgkqgucfczlhytrshtdhlvekmhnjllqfpkjwwujiifikmfvcpijojmnkjivvmbuweauqofpxnazdyisttwabrofjz...

output:

13605

result:

ok single line: '13605'

Test #22:

score: 0
Accepted
time: 144ms
memory: 6136kb

input:

abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmn...

output:

14989915

result:

ok single line: '14989915'

Test #23:

score: 0
Accepted
time: 142ms
memory: 6028kb

input:

aqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaaqqaqaaqqaaq...

output:

2798983

result:

ok single line: '2798983'