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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 |
---|---|---|---|---|---|---|---|---|---|
#577554 | #4224. 串 | Starrykiller# | 0 | 0ms | 0kb | C++23 | 1.7kb | 2024-09-20 12:45:09 | 2024-09-20 12:45:09 |
answer
#include <bits/stdc++.h>
using namespace std;
#define int long long
constexpr int p=998244353, B=131;
void solve() {
string s; cin>>s; int n=size(s);
if (n==1) {
cout<<0<<'\n'; return;
}
vector<vector<int>> id(n,vector<int>(n));
vector<vector<int>> h(n,vector<int>(n));
int N=0;
vector<set<int>> str(n+1); set<int> hsh;
vector<int> pw(n+1);
pw[0]=1;
for (int i=1; i<=n; ++i) pw[i]=pw[i-1]*B%p;
for (int i=0; i<n; ++i)
for (int j=i; j<n; ++j) {
id[i][j]=N++;
if (j>i) h[i][j]=h[i][j-1]*B%p;
(h[i][j]+=s[j]-'a')%=p; hsh.insert(h[i][j]);
}
vector<vector<int>> G(N); vector<int> deg(N);
for (int len=1; len+len+1<=n; ++len) {
for (int l=0; l+len-1<n; ++l) {
int r=l=len-1, h1=h[l][r];
for (int L=0; L+len-1<n; ++L) {
int R=L+len-1, h2=h[L][R];
int h=(h1*pw[len+1]%p+h2)%p;
if (!hsh.count(h)) continue;
int u=id[l][r], v=id[L][R];
// cerr<<u<<"->"<<v<<'\n';
// cerr<<len<<" "<<l<<' '<<r<<'\n';
G[u].push_back(v);
deg[v]++;
}
}
}
queue<int> q; vector<int> f(N);
for (int i=0; i<N; ++i)
if (!deg[i]) q.push(i);
int ans=0;
while (size(q)) {
int u=q.front(); q.pop();
f[u]++;
ans=max(ans,f[u]);
for (auto v: G[u]) {
f[v]=max(f[v],f[u]);
if (!--deg[v]) q.push(v);
}
}
cout<<ans<<'\n';
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(nullptr); cout.tie(nullptr);
int T; cin>>T;
while (T--) solve();
}
詳細信息
Pretests
Final Tests
Test #1:
score: 0
Time Limit Exceeded
input:
5 wwgpdvdwwgpdvdwwgpdvdwwwvdwdww imeoqomeomqomeommeoqomeomqomem blmjcxblmjcxlmjlmjcxjcxblmjcxl exzhdyzhddyzhdedyzhyzhddydyyzd tsbosqtsbosqtsbossbosqtssqtsbb
output:
result:
Test #2:
score: 0
Time Limit Exceeded
input:
5 rmgmlkgmlkllklmlkgmgmlklklmlkm fstnttfttfnttfttfttfttfttttftt hxiykziykzixiykziyykzixiyiyyky fbtnfwbtnffwbfbtnfwbtnffwwbtnw yhdizazyhdidihdidihdizzazyyhdi
output:
result:
Test #3:
score: 0
Time Limit Exceeded
input:
4 skjnitkwybtcsfagbpslfxtijbwjqvskibxqwjmukwybtcsfagbbpslfxtijbwjqvskibxqwjmukwybtcsfagbpslfxtijbwjqvskibxqwjmukwybtcsfagbbpslfxtijbwjqvskibxqwjmukwybtcsfagbbpslukwybtcsfagbbpslfxtijbbbpslukwybtcsfaslfc ssrpyzpwiydtayxmoddtqksdrhcavtsonldnmujuyzpwiydtayxmoddtqksdrhcavtsoniydtayxmoddtqksdrhwiydtayxmo...
output:
result:
Test #4:
score: 0
Time Limit Exceeded
input:
4 oupltnlcbcgntpnkbvktcbcpltnlcbcgpltnlcgpltngntpnlcbcgntpnkbvktcbcpltnlcbcgpltnlnlcbcgpltnlcgpltngntpnlcbcgntpnktngntpnlcbcgntpnkbvktcbcpltnlcbcgpltnlnlcbcgpltnlcgpltngntpnlcbcgntpnlcbcgntlcbcgntpnkbvn nzmyzhhsoehahmorxpahsoehahmororxpahsoehahmhsoehahmmyzhhsoehahmhahsoehahmororxpahsoehahmhsoehahmmy...
output:
result:
Test #5:
score: 0
Time Limit Exceeded
input:
4 wwsqbwicfggaflmvdvegdkclrnybwwsqbwicfggafgdkclrnyaflmvdvegdkclrnybwwsqbwlrnybwwsqbwicfggafgdkclrnyaflmvdvegdkclrnybwwegdknybwwsqybwwsqbwlrnybwwsqbwicfggafgdkclrnyaflmvdvegdkclrnybqbwicfggafgdkclrnyafg tgloxggsznuxqxggszxggszsznuxqxggszxggszggsznuxqxggsggsznuxqxggszxggszsznuxqxggszxggszggsznuxqxggs...
output:
result:
Test #6:
score: 0
Time Limit Exceeded
input:
3 ikcblmcsjillvojwymeimbaeipbhobwwnyaakcsvkghhusduehctjexrtaakewiruishkmewsleodhikrnfaternerxiqhamqutaiazbldrrmaddpidimwxsqwbgedswzowhovibaauncxsthwdvudokzpsfulbtbaapxlexrtaakewiruishkmewsleodhikrnfaternerxiqhamqutaiazbldrrmaddpidimwxsqwbgedswzowhovibaauncxsthwdvudokzpsfulbtbaapxlidimwxsqwbgedswzowh...
output:
result:
Test #7:
score: 0
Time Limit Exceeded
input:
3 gsxasrisfpretvfhxlwnysaarwkvizqrrntjecdltvqmsvvqgsdgkggdcszmtrfkfzwldzxnysgsxasrisfpretvfhxlwgsxasrisfpretvfhqrrntjecdltvqmsvvqgsdgkggdcszmtrfkfzwarwkvizqrrntjecdltvqmsvvqgsdgkggdcszmtrfkfzwldzxnysgsxasrisfpretvjecdltvqmsvvqgsdgkggdcszmtrfkfzwldzxnfkfzwldzxnysgsxasrisfpretvjecdltvqmsvvqgsdgkggdcsz...
output:
result:
Test #8:
score: 0
Time Limit Exceeded
input:
3 aekaabidsppfvwzguexdmycjcqqcxdmycjcqqycjcqexdmycjcqqcxdmycjcqqcxdmycjcqqycjcqevwzguexdmycjcqqcxdmyabidsppfvwzguexdmycjcqqcxdmycjcqqycjcqexdmycjcqqcxdmycjcqqcxdmycjcqqycjcqezguexdmycjcqqcxdmycjcqqycjcqexdmycjcqqcxdmycjcqqcxdmycjcqqycjcqevwzguexdmycjcqqcxdmyxdmycjcqqcxdmycjcqqycjcqexdmycjcqqcxdmycjc...
output:
result:
Test #9:
score: 0
Time Limit Exceeded
input:
4 fqbsybwtrauafctwxtzxmhmelxssvxxapauncqgvqcwxfptcktzyanenlxfguejjhdzjufgmicmptfrfasgcgkqrjxzfcipjoqukvawffkuaqniqgotoylhiignmrevhwrruupzzawbqljitxdhyooixxxlqejxaaouufwvfuzxhigbilkiazqzypkovtnwwbssiqookpnsxvvhhfpjghkezwuushsoilgtbwholuilqdszikiptsvuoqpgxhwisfbwbkkpesawxuvhgfycxuwoklwjvtrpaulbexqlrsh...
output:
result:
Test #10:
score: 0
Time Limit Exceeded
input:
105 iiqnrmmdztbfxwmieuflzvuqveboseucomrfagkbzohyktiqnnbpkyhgciuwoqacerjgxthwjqxtkfjzvnqfnxlpfhnvznxfeglecvcllzhxhszcfphsnvjuewqelnlswxwauylfaufhnejutsngnybuxtaiglaekyeexsmxmrezvpuohjxxjatgttrbetirsmvrehqtawuvlqmuzltllmtgfmjmgrdagytkijfkfagsqumsfidsuyyclhotbrvhrotbzzmgbuyromlvuqnrpntauhvxaqereyvfzjla...
output:
result:
Test #11:
score: 0
Time Limit Exceeded
input:
1000001 s o k g r z l d z i n u d j i o k b o s h y w y u k v p d f e x v q d o p r s o z f i e r q s b u i w b g u b a e w p j e v g z l l o c c i q b n b h g t z i p h e s q a u s e s i n w f t y t g o v j w o m l r u s k t c c d i u t i q l m j v b f d w f w c t r l p h y b y u v l n x n s f j n ...
output:
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
result:
Test #12:
score: 0
Time Limit Exceeded
input:
110 rxxioshkbndigoxntdcejhvoskbndigoxntdcejgoxntdcejhvoskbndigoxbndigoxntdcejhvoskbndigoxntdccejhvoskbndigogoxntdcejgoxntdcejhvoskbndigoxbnejgoxntdcejhvoskbndigoxbndigoxntdcejhvoskbndigoxntdccejhvoskbndigogoxntdcejgoxntdcejhvosxntdcejhvoskbndigoxbndigoxntdcejhvoskbndigoxntdccejhvoskbndigogoxntdcejgo...
output:
result:
Test #13:
score: 0
Time Limit Exceeded
input:
105 jlugzbdizovzbjlugzbdizovzbjlugzbdizovzbjlugzbdizovzbjlugzbdizovzbjlugzbdizovzbjlugzbdizovzbjlugzbdizovzbjlugzbdizovzbjlugzbdizovzbjlugzbdizovzbjlugzbdizovzbjlugzbdizovzbjlugzbdizovzbjlugzbdizovzbjlugzbdizovzbjlugzbdizovzbjlugzbdizovzbjlugzbdizovzbjlugzbdizovzbjlugzbdizovzbjlugzbdizovzbjlugzbdizo...
output:
result:
Test #14:
score: 0
Time Limit Exceeded
input:
5 xsmnxsolriymnoxsmnxsolriymnoxsmnxsolriymnoxsmnxsolriymnoxsmnxsolriymnoxsmnxsolriymnoxsmnxsolriymnoxsmnxsolriymnoxsmnxsolriymnoxsmnxsolriymnoxsmnxsolriymnoxsmnxsolriymnoxsmnxsolriymnoxsmnxsolriymnoxsmnxsolriymnoxsmnxsolriymnoxsmnxsolriymnoxsmnxsolriymnoxsmnxsolriymnoxsmnxsolriymnoxsmnxsolriymnoxsmn...
output:
result:
Test #15:
score: 0
Time Limit Exceeded
input:
30 qqgcvqshumzfapruaztsztbkdhknlqmegsgekylgmkmobfjceeuezxqcebpqrduyxccjcpqqbefdlqfpubvvymxfnovetrestidxxvnbzsekilcemxbmjaryqofjfjdashxrclsefyqqjswxsykbydcrshczqgaknzermwvsvmkgegeygqahteynlandipovosnbqkvnwfudnabuqddlhbzsdowmfmjtgywwjtmhaikoimkapplzsmrxcpjhdvdjtbievwmxewlokxocobbgoueqkpypkdzgejmzfyxjx...
output:
result:
Test #16:
score: 0
Memory Limit Exceeded
input:
3 pounzdtkokaonqyllykjhhycqxdmmwndkjqlnlxbwzqlpqwcpjnysncilfxzdkenuwbjhakfacsptrukajksxnbksyjykplglopupccpgugzlcllmwgjjhtdhebttpcgfrcuvelczudmyrakngvypqdyufrpwtxbnaykelodhusglsqayoypebnzigqgcokrokbuvsadmsjzkbzkpzzucovnwltyzdrpnvmlnmqbezaqazcsybmcrhpnsjouofleczrplhqrgqhirjarmoudvjtqsjmjqzptzgimnbetrl...
output:
result:
Test #17:
score: 0
Memory Limit Exceeded
input:
36 bqsaqunccgyiarpeaezrgxpbqsaqunccgyiarpeaezrgxpbqsaqunccgyiarpeaezrgxpbqsaqunccgyiarpeaezrgxpbqsaqunccgyiarpeaezrgxpbqsaqunccgyiarpeaezrgxpbqsaqunccgyiarpeaezrgxpbqsaqunccgyiarpeaezrgxpbqsaqunccgyiarpeaezrgxpbqsaqunccgyiarpeaezrgxpbqsaqunccgyiarpeaezrgxpbqsaqunccgyiarpeaezrgxpbqsaqunccgyiarpeaezrg...
output:
result:
Test #18:
score: 0
Time Limit Exceeded
input:
36 ueuhiuuxbkqmcjrkbkknbuogliigucooglvofroicgveqoqtacgcwukjfuszwgpermvydlhfreljsdcuhkwdfgpmbhlznaefmbfrmmzdsmpmqrhxcddjmsvpziookuvyvbpjpqnideuvvbuzhxktrhkspahzvczsdpcvfrdkvxfszauizebrmljdlsfixedavhxbyalvyrpztjhsqkleljsdcuhkwdfgpfreljsdcuhkwdfgpmbhlznaefmbfrmmzdsmpmqrhxcddjmsvpziookuvyvbpjpqnideuvvbu...
output:
result:
Test #19:
score: 0
Time Limit Exceeded
input:
400001 ggg eee hhh ppp eee nnn hhh aaa nnn uuu xxx ddd ttt sss jjj fff ccc ddd aaa xxx vvv mmm qqq bbb qqq uuu bbb ggg mmm qqq ccc hhh nnn yyy hhh qqq fff www xxx uuu iii ggg nnn rrr sss aaa eee vvv iii eee vvv www qqq ddd qqq rrr qqq xxx ppp yyy nnn bbb uuu bbb yyy aaa ttt www mmm lll qqq ggg zzz b...
output:
result:
Test #20:
score: 0
Time Limit Exceeded
input:
27 xtahmwzugvrelqyihbryeggyvqgliwxirxrdvtxbopgahekrhbpnixmfpuryqqiipznksnljetllzvehwvugsimiffivvsfktvumihxmdixcdelbziiuquevzotugagzvcndjkposprxtczumhoddsacivyowgqridxtqmikdbiyfhtsqhxtczxkvxbtfrknwjiowszbthabqtticsbgratmzufenstlbbczubdpkdqcylkcdnjvnejoarsplnaoocqkftcpwstwgdyjqhgfnstnjncuafkrhadptfgra...