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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#175439 | #6567. Repetitive String Invention | SolitaryDream# | AC ✓ | 510ms | 77712kb | C++14 | 1.7kb | 2023-09-10 18:08:43 | 2023-09-10 18:08:44 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define int long long
const int N = 810;
namespace Trie {
const int S = N * N;
int size, c[S][26], cnt[S];
inline void Init() {
memset(c, 0, (size + 1) * sizeof *c);
memset(cnt, 0, (size + 1) * sizeof *cnt);
size = 1;
}
// inline void Add(char *s, char *ed) {
// int p = 0;
// for (; s != ed; ++s) {
// int d = *s - 'a';
// if (!c[p][*s - 'a']) c[p][*s - 'a'] = ++size;
// p = c[p][*s - 'a'];
// }
// }
inline void Add(int &p, char ch) {
int d = ch - 'a';
if (!c[p][d]) c[p][d] = ++size;
p = c[p][d];
++cnt[p];
}
}
int n;
char s[N];
int lcp[N][N];
inline int Solve() {
Trie::Init();
for (int i = n; i; --i)
for (int j = n; j; --j) {
lcp[i][j] = (s[i] == s[j]) ? lcp[i + 1][j + 1] + 1 : 0;
}
vector<int> pt(n + 1, 1);
int ans = 0;
for (int i = 2; i <= n; ++i) {
for (int p = 1; p < i; ++p) Trie::Add(pt[p], s[i - 1]);
for (int j = i + 1; j <= n; ++j)
for (int k = j + 1, ps = 1; k <= n && ps; ++k) {
ps = Trie::c[ps][s[k - 1] - 'a'];
if (lcp[i][k] >= j - i) ans += 2 * Trie::cnt[ps];
}
for (int j = i + 1, ps = 1; j <= n + 1 && ps; ++j) {
ps = Trie::c[ps][s[j - 1] - 'a'];
ans += Trie::cnt[ps];
}
}
return ans;
}
signed main() {
scanf("%s", s + 1);
n = strlen(s + 1);
int ans = 0;
for (int round = 0; round < 2; ++round) {
ans += Solve();
reverse(s + 1, s + n + 1);
}
printf("%lld\n", ans / 2);
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 2ms
memory: 7964kb
input:
aaaa
output:
9
result:
ok single line: '9'
Test #2:
score: 0
Accepted
time: 2ms
memory: 8056kb
input:
axabxbcxcdxd
output:
22
result:
ok single line: '22'
Test #3:
score: 0
Accepted
time: 20ms
memory: 10516kb
input:
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx...
output:
536006700
result:
ok single line: '536006700'
Test #4:
score: 0
Accepted
time: 25ms
memory: 10744kb
input:
abababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababab...
output:
136016600
result:
ok single line: '136016600'
Test #5:
score: 0
Accepted
time: 2ms
memory: 8016kb
input:
a
output:
0
result:
ok single line: '0'
Test #6:
score: 0
Accepted
time: 1ms
memory: 8004kb
input:
ab
output:
0
result:
ok single line: '0'
Test #7:
score: 0
Accepted
time: 2ms
memory: 8012kb
input:
aa
output:
1
result:
ok single line: '1'
Test #8:
score: 0
Accepted
time: 9ms
memory: 24280kb
input:
bbbbbrrrrbrbrrbrbrbrbbrrbbbbrrbrrbrbrbrrrrrbbbrrbrrbbrrrbbbbbrrrrbbrbbrrrrrbbrrrbbbbbrbbrbbbrbrrbrrrrrrrrbbrbrbbrrrrrrbbbbbrbrrrrbrrbbrbrrrrrbrbrbbrbrrbrrrrbrbbrbrrbrrbbbbrrrrrbrbbrbbrrrrrbrbrbrbbbrrrrrrrbbbbbbrrbrbrrrrrbbbrbrrrrbbbbrrbrrbbbbbbbrbbbbrrrbrbbbrrrrrrbbbbbrbrrbbbbrbrbrrbbrrrbbbrbbbrbbrr...
output:
209015
result:
ok single line: '209015'
Test #9:
score: 0
Accepted
time: 1ms
memory: 25308kb
input:
fkrryithikkpurfezufbthxxrtejxpprhrhurrfziigzgajipayrefarpxuggehkiggeppfjghuyejuagkjpiezhmfizgphkkfffifihrimuhgtgzykfupbprjyrbpbimapjmbkrhubzhgfhhpkrxgjgmkheiiugiyerggyukyfuuxgrehgayafzuxymxxabygpapbjxipkxgbxhzpekypfghaumukguaipphiyhzimzfmpmzahbmaagytygyekzhktbbheetxrbipgytppgbhkpimrybkbeirhrzytfehba...
output:
5696
result:
ok single line: '5696'
Test #10:
score: 0
Accepted
time: 6ms
memory: 25852kb
input:
ayeaecauuueerrcsyyyuayauarecyrruueeucacrrcesercyeasuscucscruaaresaeruurreeursssuyraeysurecacueuacycacsyuyeyusssassaasyuarrcecueayacucuyyrsasrycyrrcececyuccecyreyeccuesaasceasussaraeruyarcauarcecacrucryryseysauaucyaeyurueurerrccrayyyycccsuaaesrecurucerrascyacucucryarycayeesyysusserarseyrauyrryeacauec...
output:
18249
result:
ok single line: '18249'
Test #11:
score: 0
Accepted
time: 7ms
memory: 25580kb
input:
lclccclcclllccccclcclclcccclllllcclcclclcclllllcllccclclclccclccllcclccccccllccclclcccclclcclclccclllllccclcccccclllllccllcclclllllllccclllcllllccccccccllccclllccclcllllllllcclccclccccllccllclclcclcllcllccclcllclllclclllclllcllcclclllccclcclclllclllllllcclllcccccllcllcllcclcclcllccclclllclclcccllcll...
output:
207835
result:
ok single line: '207835'
Test #12:
score: 0
Accepted
time: 4ms
memory: 25908kb
input:
lygxvkxeeiixzzpamosqadacrnyierrztikxheupgbkfkstyjrmyvhmjrhfhwfdeyhzuyhhbczbjgcnzouiufetegmnvxoeqxiykkwysdnnmdjtpwwzpdaqzmwmapbqbdjsdoxmpbvseyfrrqpgteehoxqsjszykfqgdmcgwikavcnhoubonianpecjtumdutpxwioqtkystzndrbtlfircdsnsxraoitswvhjirqxxjrnjjsldbmdcjngecdaotrgxvikyfyjlbbeketxrxeknuxmxehvabyyyxnrchukft...
output:
3442
result:
ok single line: '3442'
Test #13:
score: 0
Accepted
time: 17ms
memory: 24284kb
input:
yjjxyyxjxyjjyxyyjxyyjxjxjxjyxyxxjxjjyxxxxxjjxyxxyjjxxjyyjjjyyyxjyjxjxyjjyjxjyjyyxjyjyjyyxxyyxxxjjxxxyyyjjjyxjyxjxjyjxjyyyjjxxxjxxjxjjjyjxjyjyyxjyjyjyyxxyyxxxjjxxxyyyjjjyxjyxjxjyjxjyyyjjxxxjxxjxjyjjxyyxjxyjjyxyyjxyyjxjxjxjyxyxxjxjjyxxxxxjjxyxxyjjxxjyyjjjyyyxjyjxjxyjjxyyxjxyjjyxyyjxyyjxjxjxjyxyxxjxjjy...
output:
103111
result:
ok single line: '103111'
Test #14:
score: 0
Accepted
time: 9ms
memory: 25224kb
input:
lhllhlhlhllhlhllhhlhhhhllhhlhhhhllhhlhhhhllhllhhllhhlhhhhllhllhhhhhllhhlhhhhhlhllhlhhlhllhlhhhhllhllhhhllhhlhhhhhhlhllhlhllhhlhhhhhhlhllhlhhllhllllhllhhhlhllhlhhhllhhlhhhhhhllhhlhhhhlhllhlhllhllhhhhllhllllhllllhllllhlllhllhlhllhhlhhhhhhhllhlllhllhlhllhhlhhhhllhllllhlllhllhlhllhllhhhhhhhllhhlhhhhllhh...
output:
298186
result:
ok single line: '298186'
Test #15:
score: 0
Accepted
time: 10ms
memory: 23644kb
input:
blbllblbblbllblbblbllblblblbblllblbbllblbllblbblbllblbblbllblblblbbllblbllblblblbbllblbllblbblbllblblblbbllblbllblblblbbllblbllblbblbllblbblbllblblblbblllblbblllblbblllblbbllblbllblblblbblllblbblllblbbllblbllblblblbblllblbbllblbllblbblbllblbblbllblblblbblllblbblllblbbllblbllblblblbblllblbblllblbblll...
output:
510790
result:
ok single line: '510790'
Test #16:
score: 0
Accepted
time: 18ms
memory: 21596kb
input:
aqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaaqqaqaaqqaaq...
output:
584698
result:
ok single line: '584698'
Test #17:
score: 0
Accepted
time: 186ms
memory: 11820kb
input:
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx...
output:
8554693400
result:
ok single line: '8554693400'
Test #18:
score: 0
Accepted
time: 186ms
memory: 11348kb
input:
abababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababab...
output:
2154733200
result:
ok single line: '2154733200'
Test #19:
score: 0
Accepted
time: 32ms
memory: 77712kb
input:
abbbabbaaababbaabaaababaababbaabbbbbaaababbbbababbaabababaabbbaaabbababbababbabbbaabbabaaabaaabbbabbabbabaaaabbabbbababaabaabbaaaabbbbbbbababaabaababaaaaaabbbbbbbaaabaabaababbabaabababbbbabbabbaabbbaaababbbbabababababaabbbbbbbbbabbbbababaaabbbaababbbbaabbbbaabbaababbaaaababbabbabbabbabbaaaaaabbbbaab...
output:
930632
result:
ok single line: '930632'
Test #20:
score: 0
Accepted
time: 20ms
memory: 76196kb
input:
acbaabcbabcccccbbaaacaaacbacaabccbbccabbbaaacacbaccbaaaaaacbbcbabacaabaaabcbccbbccbaaabacacccacccbabcbbcaaabbaacaaabaabcaaccbacacbcbcacbbbbaacbbcccbbccabcacaaabcbbbbacbcbcaabbbccaabbcbacbcaccabbbcccccbcbbbabcabcacbccccacabccbccbccaaccbbbbbccbabbbcaabbaacaccacbcbaabbbbabbccbcacacbbcacbbccbacbbbcacccc...
output:
304687
result:
ok single line: '304687'
Test #21:
score: 0
Accepted
time: 10ms
memory: 76772kb
input:
gvqghqqtyruttomyqtjlimqxhhoiboxzggiduzwyaagmtvvogqwcfsgvnvzncgmhtpjtmnqekqyhzyvvnfofasxkcvrhlydmpfulmeugpayixcixaijfmkvhhbgikpyjlmvzrzbkhmtymjfkqzwafvimebzixveouiuwlkljnilpzdvrcygbtdsimysonrpolsunmdeqgatgudbkuihzgkqgucfczlhytrshtdhlvekmhnjllqfpkjwwujiifikmfvcpijojmnkjivvmbuweauqofpxnazdyisttwabrofjz...
output:
13605
result:
ok single line: '13605'
Test #22:
score: 0
Accepted
time: 280ms
memory: 14224kb
input:
abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmn...
output:
14989915
result:
ok single line: '14989915'
Test #23:
score: 0
Accepted
time: 510ms
memory: 61728kb
input:
aqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaqaaqaqqaaqqaqaaqaqqaqaaqqaaqaqqaaqqaqaaqqaaq...
output:
2798983
result:
ok single line: '2798983'