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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 |
---|---|---|---|---|---|---|---|---|---|
#457019 | #3293. 优秀的拆分 | _HKSR_ | 100 ✓ | 183ms | 17564kb | C++14 | 3.9kb | 2024-06-28 21:35:21 | 2024-06-28 21:35:21 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define endl "\n"
const int LEN=6e4;
int rk[LEN],rk2[LEN],sa[LEN],cnt[LEN];
int h[LEN];
int nw[LEN];
int loc[LEN];
int st[LEN][16];
const int LG=16;
int lg[LEN];
inline void clr(){memset(cnt,0,sizeof(cnt));}
inline void sct(){
for(int i=1;i<LEN;i++)
cnt[i]+=cnt[i-1];
}
inline void SA(string P){
int m=P.size();
P=" "+P;
P=P+(char)(0);
clr();
for(int i=1;i<=m;i++)
rk[i]=P[i],cnt[rk[i]]++,h[i]=0;
sct();
for(int i=1;i<=m;i++)
sa[++cnt[rk[i]-1]]=i;
for(int p=1;p<m;p<<=1){
for(int i=1;i<=m;i++)
rk2[i]=i+p<=m?rk[i+p]:0;
clr();
for(int i=1;i<=m;i++)cnt[rk[i]]++;
sct();
vector<int>T;
for(int i=1;i<=m;i++)if(sa[i]+p>m)T.push_back(sa[i]);
for(int i=1;i<=m;i++)if(sa[i]>p)T.push_back(sa[i]-p);
for(int x:T)sa[++cnt[rk[x]-1]]=x;
int cnt=0;
for(int i=1;i<=m;i++){
if(i==1||rk[sa[i]]!=rk[sa[i-1]]||rk2[sa[i]]!=rk2[sa[i-1]])
cnt++;
nw[sa[i]]=cnt;
}
for(int i=1;i<=m;i++)
rk[i]=nw[i];
}
int t=0;
for(int i=1;i<=m;i++){
t=max(0ll,h[rk[i-1]]-1);
if(rk[i]==1){t=0;h[rk[i]]=0;continue;}
int l=sa[rk[i]-1];
while(l+t<=m&&i+t<=m&&P[l+t]==P[i+t])t++;
h[rk[i]]=t;
}
for(int i=1;i<=m;i++)st[i][0]=h[i];
for(int j=1;j<LG;j++)
for(int i=1;i+(1<<j)-1<=m;i++)
st[i][j]=min(st[i][j-1],st[i+(1<<j-1)][j-1]);
}
inline int g(int l,int r){
if(l>r)return 0;
int p=lg[r-l+1];
return min(st[l][p],st[r-(1<<p)+1][p]);
}
int n;
inline int lcp(int x,int y){
if(x<=0||y<=0)return 0;
x=rk[x],y=rk[y];
if(x>y)swap(x,y);
return g(x+1,y);
}
inline int lcp_rev(int x,int y){
if(x<=0||y<=0||x>n||y>n)return 0;
x=n-x+1,y=n-y+1;
return lcp(x+n+1,y+n+1);
}
inline int lcp_ver(int x,int y){
if(x<=0||y<=0||x>n||y>n)return 0;
return lcp(x,y);
}
string s;
int bel[LEN];
int A[LEN],B[LEN];
int L[LEN],R[LEN];
signed main(){
// freopen("uke.in","r",stdin);
// freopen(".out","w",stdout);
ios::sync_with_stdio(0);
int t;
cin>>t;
for(int i=2;i<LEN;i++)
lg[i]=lg[i>>1]+1;
while(t--){
string t;
cin>>t;
s=t;
n=s.size();
reverse(t.begin(),t.end());
s=s+" "+t;
SA(s);
for(int i=1;i<=n;i++)A[i]=B[i]=0;
// cout<<lcp_ver(5,7)<<" "<<lcp_rev(4,6)<<endl;
for(int s=1;s<=n;s++){
int m=0;
while(++m){
L[m]=R[m-1]+1;
R[m]=min(L[m]+s-1,n);
if(R[m]==n)break;
}
L[m+1]=n+1;
for(int i=2;i<=m;i++)if(R[i]-L[i]+1==s){
int l=min(s,lcp_rev(R[i-1],R[i]));
int r=min(s-1,lcp_ver(L[i],L[i+1]));
if(l+r<s)continue;
int pl=s-r,pr=l;
// cout<<l<<" "<<r<<" "<<L[i]<<" "<<R[i]<<" "<<s<<endl;
// cout<<pl<<" "<<pr<<" "<<L[i]-pr<<" "<<L[i]-pl<<endl;
A[L[i]-pr]++;
A[L[i]-pl+1]--;
pl=s-pl,pr=s-pr;
// cout<<pl<<" "<<pr<<" "<<R[i]+pr<<" "<<R[i]+pl<<endl;
B[R[i]+pr]++;
B[R[i]+pl+1]--;
}
}
for(int i=1;i<=n;i++)A[i]+=A[i-1],B[i]+=B[i-1];
// for(int i=1;i<=n;i++)
// cout<<A[i]<<" ";
// cout<<endl;
// for(int i=1;i<=n;i++)
// cout<<B[i]<<" ";
// cout<<endl;
int res=0;
for(int i=2;i<=n-2;i++)
res+=B[i]*A[i+1];
cout<<res<<endl;
}
cout.flush();
return 0;
}
/*
*/
详细
Test #1:
score: 5
Accepted
time: 6ms
memory: 9820kb
input:
10 wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk...
output:
462056 140600 875978 575960 811035 299536 173880 414090 227128 924490
result:
ok 10 numbers
Test #2:
score: 5
Accepted
time: 5ms
memory: 9752kb
input:
10 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq...
output:
369564 513590 285760 308945 408312 190568 180441 328350 437635 1091574
result:
ok 10 numbers
Test #3:
score: 5
Accepted
time: 7ms
memory: 9928kb
input:
10 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk...
output:
92601930 126763350 233408728 111659395 147774025 41791750 62056280 198982282 172593608 298613460
result:
ok 10 numbers
Test #4:
score: 5
Accepted
time: 8ms
memory: 11996kb
input:
10 nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn...
output:
241383298 63369600 53220335 75846485 53073182 47276061 287600152 128609208 205431400 71461299
result:
ok 10 numbers
Test #5:
score: 5
Accepted
time: 0ms
memory: 9776kb
input:
10 nnnnnnnnnn hzhzhzhzhz zezezezeze ndndndndnd zvzvzvzvzv bbbbbbbbbb sgsgsgsgsg fgfgfgfgfg hxhxhxhxhx fafafafafa
output:
30 3 3 3 3 30 3 3 3 3
result:
ok 10 numbers
Test #6:
score: 5
Accepted
time: 3ms
memory: 9680kb
input:
10 xxxxxxxxxx wtwtwtwtwt sososososo xgxgxgxgxg lblblblblb rororororo qfqfqfqfqf qjqjqjqjqj upupupupup nynynynyny
output:
30 3 3 3 3 3 3 3 3 3
result:
ok 10 numbers
Test #7:
score: 5
Accepted
time: 3ms
memory: 7996kb
input:
10 jjjjjjjjjjjjjjjjjjjj tgtgtgtgtg mcomcomcomco wthwthwthwth aaitaaitaaitaait pvaompvaompvaompvaom ahahahahah jwxmjwxmjwxmjwxm pdfpdfpdfpdf oiyfoiyfoiyfoiyf
output:
285 3 1 1 5 1 3 1 1 1
result:
ok 10 numbers
Test #8:
score: 5
Accepted
time: 4ms
memory: 11828kb
input:
10 iiiiiiiiiiiiiiiii scscscscscscsc bsobsobsobsobso rppyrppyrppyrppy xhnxhnxhnxhn jfbjfbjfbjfb tqtqtqtqtq cdocdocdocdocdo imgimgimgimg zxzxzxzxzx
output:
168 13 4 5 1 1 3 4 1 3
result:
ok 10 numbers
Test #9:
score: 5
Accepted
time: 3ms
memory: 9812kb
input:
10 sssssssssssssssssssss wawawawawawawawa xlexlexlexlexlexlexle cwqfcwqfcwqfcwqfcwqfcwqfcwqf dappidappidappidappidappi biwtbbiwtbbiwtbbiwtb ipdbipdbipdbipdb oyqjoyqjoyqjoyqj miqozmiqozmiqozmiqoz ofqgofqgofqgofqg
output:
330 22 18 23 14 3 1 1 1 1
result:
ok 10 numbers
Test #10:
score: 5
Accepted
time: 4ms
memory: 9812kb
input:
10 zzzzzzzzzzzzzzzzzzzzzzzzzzz icicicicicicicicicicic saasaasaasaasaasaasaa znunznunznunznunznun ttfhhttfhhttfhhttfhhttfhh fqxqblfqxqblfqxqblfqxqblfqxqbl xxpruxxpruxxpruxxpru mpheqsmpheqsmpheqsmpheqs ptvbemqptvbemqptvbemqptvbemq nxykqknxykqknxykqknxykqk
output:
728 70 36 5 26 7 5 1 1 1
result:
ok 10 numbers
Test #11:
score: 5
Accepted
time: 0ms
memory: 9940kb
input:
10 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj ibibibibibibibibibibibibibibibibibibibibibibibib xinxinxinxinxinxinxinxinxinxinxin ivlwivlwivlwivlwivlwivlw cxrvucxrvucxrvucxrvucxrvucxrvucxrvucxrvucxrvu jzqfmgjzqfmgjzqfmgjzqfmgjzqfmg nqctlysnqctlysnqctlysnqctlysnqctlysnqctlysnqctlys kuizuntnkuizuntnkuizuntnkuizu...
output:
1240 946 100 11 76 7 38 9 18 1
result:
ok 10 numbers
Test #12:
score: 5
Accepted
time: 0ms
memory: 9772kb
input:
10 vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv dvdvdvdvdvdvdvdvdvdvdvdvdv jhyjhyjhyjhyjhyjhyjhyjhyjhy dkbjdkbjdkbjdkbjdkbjdkbjdkbjdkbj ezlbtezlbtezlbtezlbtezlbtezlbtezlbtezlbt efwduoefwduoefwduoefwduoefwduoefwduoefwduo eqgdlgxeqgdlgxeqgdlgxeqgdlgxeqgdlgxeqgdlgx mwuoqleamwuoqleamwuoqleamwuoqlea gwcbhodfpgwcb...
output:
1632 125 48 38 46 33 17 1 1 5
result:
ok 10 numbers
Test #13:
score: 5
Accepted
time: 4ms
memory: 9780kb
input:
10 vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv xwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxwxw rslrslrslrslrslrslrslrslrslrslrslrslrslrslrslrslrslrslrslrslrslrslrslrsl iimeiimeiimeiimeiimeiimeiimeiimeiimeiimeiimeiime...
output:
25585 6391 1386 1014 876 567 62 118 33 86
result:
ok 10 numbers
Test #14:
score: 5
Accepted
time: 4ms
memory: 9948kb
input:
10 rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr ozozozozozozozozozozozozozozozozozozozozozozozozozozozozozozozoz ysvysvysvysvysvysvysvysvysvysvysvysvysvysvysvysvysvysv ipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbdipbd x...
output:
19019 2360 540 1826 110 7 511 118 132 53
result:
ok 10 numbers
Test #15:
score: 5
Accepted
time: 5ms
memory: 9828kb
input:
10 ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss vzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvzvz yzkyzkyzkyzkyzk...
output:
155155 18445 7600 13475 3328 72 114 37 17 6
result:
ok 10 numbers
Test #16:
score: 5
Accepted
time: 5ms
memory: 9748kb
input:
10 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii bxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbxbx...
output:
281295 48503 26100 13475 20516 80 72 59 21 26
result:
ok 10 numbers
Test #17:
score: 5
Accepted
time: 6ms
memory: 10032kb
input:
10 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii...
output:
1391040 981179 345415 50677 52576 227 28 413 144 50
result:
ok 10 numbers
Test #18:
score: 5
Accepted
time: 8ms
memory: 9880kb
input:
10 fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff...
output:
38263590 33623065 4070400 510708 624588 2102 1074 299 408 1538
result:
ok 10 numbers
Test #19:
score: 5
Accepted
time: 11ms
memory: 11896kb
input:
10 qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq...
output:
245030555 46877978 4884100 14318590 12858978 5063 5381 7598 4729 5228
result:
ok 10 numbers
Test #20:
score: 5
Accepted
time: 183ms
memory: 17564kb
input:
10 yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy...
output:
563349754956 161455324997 76621205738 70150901846 40842068960 6056659 2820346 3357795 2628223 10884
result:
ok 10 numbers
Extra Test:
score: 0
Extra Test Passed