QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#44280#3293. 优秀的拆分myee100 ✓576ms11076kbC++113.6kb2022-08-14 21:04:482022-08-14 21:04:51

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2022-08-14 21:04:51]
  • 评测
  • 测评结果:100
  • 用时:576ms
  • 内存:11076kb
  • [2022-08-14 21:04:48]
  • 提交

answer

#include <algorithm>
#include <math.h>
#include <stdio.h>
#include <string.h>
#include <vector>
typedef long long llt;
typedef unsigned uint;typedef unsigned long long ullt;
typedef bool bol;typedef char chr;typedef void voi;
typedef double dbl;
template<typename T=uint,typename len_def=uint>
class Min_ST
{
    public:
        voi bzr(std::vector<T>V)
        {
            ST.clear();len_def k=V.size();
            for(len_def i=0;i<k;i++)ST.push_back(std::vector<T>()),ST[i].push_back(V[i]);
            for(len_def f=2;f<=k;f<<=1)for(len_def i=0;i+f<=k;i++)
                ST[i].push_back(std::min(ST[i].back(),ST[i+f/2].back()));
        }
        T Find(len_def Lnum,len_def Rnum)//log2不能打成log啊QAQ
        {
            len_def k=log2(Rnum-Lnum);return std::min(ST[Lnum][k],ST[Rnum-((len_def)1<<k)][k]);
        }
    private:
        std::vector<std::vector<T> >ST;
};
template<typename T=chr,typename len_def=uint>
class SA
{
	public:
		voi bzr(T*User,len_def n)
		{
			S.clear(),rk.clear(),sa.clear(),h.clear(),lcp_ready();
			for(len_def i=0;i<n;i++)S.push_back(User[i]),rk.push_back(0),sa.push_back(0),h.push_back(0);
			//倍增法求sa
			len_def done=1;
			while(done<2*n)
			{
				if(done!=1)
				{
					typedef std::pair<len_def,len_def>P;
					typedef std::pair<P,len_def>P2;
					std::vector<P2>q,tmp;std::vector<len_def>cnt;
					for(len_def i=0;i<n;i++)q.push_back(P2(P(rk[i]+1,(i+done/2<n)?rk[i+done/2]+1:0),i)),tmp.push_back(P2());
					for(len_def i=0;i<=n;i++)cnt.push_back(0);
					for(len_def i=0;i<n;i++)cnt[q[i].first.second]++;
			    	for(len_def i=1;i<=n;i++)cnt[i]+=cnt[i-1];
			    	for(len_def i=0;i<n;i++)tmp[--cnt[q[i].first.second]]=q[i];
					cnt.clear();for(len_def i=0;i<=n;i++)cnt.push_back(0);
			    	for(len_def i=0;i<n;i++)cnt[tmp[i].first.first]++;
			    	for(len_def i=1;i<=n;i++)cnt[i]+=cnt[i-1];
			    	for(len_def i=n-1;i+1;i--)q[--cnt[tmp[i].first.first]]=tmp[i];
			    	for(len_def i=0;i<n;i++)rk[q[i].second]=(i&&q[i].first==q[i-1].first)?rk[q[i-1].second]:i;
				}
				else
				{
					typedef std::pair<T,len_def>P;
					std::vector<P>q;
					for(len_def i=0;i<n;i++)q.push_back(P(User[i],i));
					std::sort(q.begin(),q.end());
			    	for(len_def i=0;i<n;i++)rk[q[i].second]=(i&&q[i].first==q[i-1].first)?rk[q[i-1].second]:i;
				}
				done<<=1;
			}
			for(len_def i=0;i<n;i++)sa[rk[i]]=i;
			len_def k=0;
			for(len_def i=0;i<n;i++)
			{
				if(k)k--;
				if(rk[i])
				{
					len_def j=sa[rk[i]-1];
					while(i+k<n&&j+k<n&&User[i+k]==User[j+k])k++;
					h[rk[i]]=k;
				}
			}
		}
		inline len_def rank(len_def num){return rk[num];}
		inline len_def s_a(len_def num){return sa[num];}
		inline len_def height(len_def num){return h[num];}
		inline voi lcp_ready(){p.bzr(h);}
		len_def lcp(len_def a,len_def b)
		{
			if(rk[a]>rk[b])std::swap(a,b);
			return(a==b)?S.size()-a:p.Find(rk[a]+1,rk[b]+1);
		}
	private:
		std::vector<T>S;std::vector<len_def>rk,sa,h;
		Min_ST<len_def,len_def>p;
};
SA<>s1,s2;
chr C1[30005],C2[30005];
uint L[30005]={0},R[30005]={0};
int main()
{
	uint t,n;ullt ans;scanf("%u",&t);
	while(t--)
	{
		scanf("%s",C1),s1.bzr(C1,n=strlen(C1)),s1.lcp_ready(),ans=0;
		for(uint i=0;i<n;i++)C2[i]=C1[n-i-1],L[i]=R[i]=0;s2.bzr(C2,n),s2.lcp_ready();
		for(uint k=1;(k<<1)<=n;k++)
		{
			uint p,q=k-1,l,r;
			while(q+k<n)
			{
				p=q,q+=k;
				if(C1[p]==C1[q])
				{
					r=std::min(s1.lcp(p,q),k),l=std::min(s2.lcp(n-p-1,n-q-1),k);
					for(uint i=p-l+1;i+k<=p+r;i++)R[i]++;
					for(uint i=q+r-1;i+l>=q+k;i--)L[i]++;
				}
			}
		}
		for(uint i=1;i+1<n;i++)ans+=(ullt)L[i]*R[i+1];
		printf("%llu\n",ans);
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 5
Accepted
time: 0ms
memory: 3344kb

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: 2ms
memory: 3336kb

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: 23ms
memory: 3720kb

input:

10
kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk...

output:

92601930
126763350
233408728
111659395
147774025
41791750
62056280
198982282
172593608
298613460

result:

ok 10 numbers

Test #4:

score: 5
Accepted
time: 21ms
memory: 3724kb

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: 3276kb

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: 2ms
memory: 3232kb

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: 0ms
memory: 3176kb

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: 2ms
memory: 3264kb

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: 2ms
memory: 3228kb

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: 2ms
memory: 3236kb

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: 3ms
memory: 3252kb

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: 3ms
memory: 3288kb

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: 2ms
memory: 3304kb

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: 3308kb

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: 3304kb

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: 4ms
memory: 3348kb

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: 2ms
memory: 3356kb

input:

10
iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii...

output:

1391040
981179
345415
50677
52576
227
28
413
144
50

result:

ok 10 numbers

Test #18:

score: 5
Accepted
time: 10ms
memory: 3536kb

input:

10
fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff...

output:

38263590
33623065
4070400
510708
624588
2102
1074
299
408
1538

result:

ok 10 numbers

Test #19:

score: 5
Accepted
time: 19ms
memory: 3832kb

input:

10
qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq...

output:

245030555
46877978
4884100
14318590
12858978
5063
5381
7598
4729
5228

result:

ok 10 numbers

Test #20:

score: 5
Accepted
time: 576ms
memory: 11076kb

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