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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
#720350#9406. TriangleDaiRuiChen007TL 383ms108216kbC++173.4kb2024-11-07 12:04:182024-11-07 12:04:19

Judging History

你现在查看的是最新测评结果

  • [2024-11-07 12:04:19]
  • 评测
  • 测评结果:TL
  • 用时:383ms
  • 内存:108216kb
  • [2024-11-07 12:04:18]
  • 提交

answer

#include<bits/stdc++.h>
#define ll long long
using namespace std;
const int MAXN=6e5+5;
struct SA {
	int n,str[MAXN],sa[MAXN],rk[MAXN],wt[MAXN],len[MAXN],f[MAXN][20];
	int bit(int x) { return 1<<x; }
	void add(int c) { str[++n]=c; }
	void build() {
		iota(sa+1,sa+n+1,1);
		sort(sa+1,sa+n+1,[&](int x,int y){ return str[x]<str[y]; });
		for(int i=1,j;i<=n;) {
			for(j=i;j<n&&str[sa[j+1]]==str[sa[i]];++j);
			len[i]=j-i+1;
			while(i<=j) rk[sa[i++]]=j;
		}
		for(int k=1;k<=n;k<<=1) {
			for(int l=1,r;l<=n;++l) if(len[l]>1) {
				r=l+len[l]-1;
				for(int i=l;i<=r;++i) wt[sa[i]]=(sa[i]+k>n?0:rk[sa[i]+k]);
				sort(sa+l,sa+r+1,[&](int x,int y){ return wt[x]<wt[y]; });
				for(int i=l,j;i<=r;) {
					for(j=i;j<r&&wt[sa[j+1]]==wt[sa[i]];++j);
					len[i]=j-i+1;
					while(i<=j) rk[sa[i++]]=j;
				}
				l=r;
			}
		}
		for(int i=1,k=0;i<=n;++i) {
			k=max(0,k-1);
			while(str[i+k]==str[sa[rk[i]-1]+k]) ++k;
			f[rk[i]][0]=k;
		}
		for(int k=1;k<20;++k) for(int i=1;i+bit(k)-1<=n;++i) {
			f[i][k]=min(f[i][k-1],f[i+bit(k-1)][k-1]);
		}
	}
	int lcp(int x,int y) {
		int l=min(rk[x],rk[y])+1,r=max(rk[x],rk[y]),k=__lg(r-l+1);
		return min(f[l][k],f[r-bit(k)+1][k]);
	}
}	sa;
struct FenwickTree {
	int tr[MAXN],s,n;
	void init(int N) { n=N,fill(tr,tr+n+1,0); }
	void add(int x,int v) { for(;x<=n;x+=x&-x) tr[x]+=v; }
	int qry(int x) { for(s=0;x;x&=x-1) s+=tr[x]; return s; }
}	fw;
string s[MAXN];
int n,N,cnt[MAXN],st[MAXN],ord[MAXN],rk[MAXN];
struct Trie {
	int tot,tr[MAXN][26],id[MAXN];
	void init() {
		for(int i=0;i<=tot;++i) memset(tr[i],0,sizeof(tr[i])),id[i]=0;
		tot=0;
	}
	int ins(const string &str) {
		int p=0;
		for(auto c:str) {
			if(!tr[p][c-'a']) tr[p][c-'a']=++tot;
			p=tr[p][c-'a'];
		}
		if(!id[p]) id[p]=n+1;
		return id[p];
	}
}	tr;
struct opr { int l,r; ll c; };
vector <opr> Q[MAXN];
void solve() {
	cin>>N,n=sa.n=0,tr.init();
	for(int i=1;i<=N;++i) {
		string str;
		cin>>str;
		int x=tr.ins(str);
		if(x>n) {
			n=x,s[x]=str,cnt[x]=1,st[x]=sa.n+1;
			for(auto c:str) sa.add(c);
			sa.add(-MAXN+str.size());
		} else ++cnt[x];
	}
	sa.build();
	iota(ord+1,ord+n+1,1);
	sort(ord+1,ord+n+1,[&](int x,int y) {
		return s[x]+s[y]<s[y]+s[x];
		int k=sa.lcp(st[x],st[y]),w=min(s[x].size(),s[y].size());
		if(k<w) return s[x][k]<s[y][k];
		if(s[x].size()<s[y].size()) {
			k=sa.lcp(st[y],st[y]+w);
			if(k+w>(int)s[y].size()) return false;
			return s[y][k]<s[y][k+w];
		} else {
			k=sa.lcp(st[x],st[x]+w);
			if(k+w>(int)s[x].size()) return false;
			return s[x][k+w]<s[x][k];
		}
	});
	for(int i=1;i<=n;++i) rk[ord[i]]=i,Q[i].clear();
	ll ans=0;
	for(int x=1;x<=n;++x) {
		int p=0;
		for(int i=0;i<(int)s[x].size();++i) {
			p=tr.tr[p][s[x][i]-'a'];
			if(!tr.id[p]) continue;
			int y=tr.id[p],o=rk[y],l=sa.rk[st[x]+i+1],r=sa.rk[st[x]];
			if(l>=r) continue;
			if(x!=y) {
				if(r-l>1) Q[o].push_back({l+1,r-1,1ll*cnt[x]*cnt[y]});
				if(l<sa.rk[st[y]]&&sa.rk[st[y]]<r) ans+=1ll*cnt[y]*(cnt[y]-1)/2*cnt[x];
				if(rk[x]<o&&l<r) ans+=1ll*cnt[x]*(cnt[x]-1)/2*cnt[y];
			} else {
				if(r-l>1) Q[o].push_back({l+1,r-1,1ll*cnt[x]*(cnt[x]-1)/2});
				ans+=1ll*cnt[x]*(cnt[x]-1)*(cnt[x]-2)/6;
			}
		}
	}
	fw.init(sa.n);
	for(int i=1;i<=n;++i) {
		for(auto q:Q[i]) ans+=q.c*(fw.qry(q.r)-fw.qry(q.l-1));
		fw.add(sa.rk[st[ord[i]]],cnt[ord[i]]);
	}
	cout<<ans<<"\n";
}
signed main() {
	ios::sync_with_stdio(false);
	int T; cin>>T;
	while(T--) solve();
	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 7ms
memory: 62328kb

input:

3
6
cbaa
cb
cb
cbaa
ba
ba
3
sdcpc
sd
cpc
1
ccpc

output:

16
0
0

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 0ms
memory: 61580kb

input:

14
1
lfpbavjsm
2
pdtlkfwn
mbd
3
dvqksg
dvqksg
uhbhpyhj
4
ombwb
ombwb
ombwb
ombwb
5
oztclz
oztclz
oztclz
oztclz
kul
6
vco
vco
vco
dtktsqtinm
vco
vco
7
tb
tb
kowbsu
ygkfphcij
tb
uvei
tb
8
vxxtxssht
abnsxbf
bydaae
bydaae
udalyvmcef
bydaae
bydaae
bydaae
9
aaze
zvyonw
qjfv
mmhkef
qjfv
qjfv
qjfv
mmhkef
qj...

output:

0
0
0
4
10
20
10
20
41
14
63
74
18
11081

result:

ok 14 lines

Test #3:

score: 0
Accepted
time: 4ms
memory: 61188kb

input:

11
10
bppzfsncq
bppzfsncq
vcqxgcehdx
bppzfsncq
bppzfsncq
muwrcvt
w
aanwhqmync
aanwhqmync
bppzfsncq
10
t
jkky
t
z
t
t
z
z
z
t
10
qidkyca
uhqubvbo
kosyvh
gsj
gsj
gsj
duo
jrro
gsj
jrro
10
lhktb
lhktb
lhktb
uohl
lhktb
r
lhktb
lhktb
wruim
lhktb
10
e
gqvdmpvxb
gqvdmpvxb
gqvdmpvxb
sttirbhz
gqvdmpvxb
zdfpm
...

output:

30
60
15
35
20
20
23
12
38
44
8047

result:

ok 11 lines

Test #4:

score: 0
Accepted
time: 7ms
memory: 62180kb

input:

11
100
kalgqjh
mdszzwe
qxn
kalgqjh
hy
kalgqjh
suplvp
r
kkeoxmx
tcoise
suplvp
suplvp
y
kalgqjh
vrwniyici
jmnyrradyq
kalgqjh
kalgqjh
suplvp
rkg
xzevyk
zc
suplvp
hcupv
kalgqjh
qakyahjaoi
mum
pbg
u
ip
kalgqjh
kalgqjh
jngc
ylr
suplvp
qxn
kalgqjh
bzwodm
e
kalgqjh
kalgqjh
evmm
kbymvbccs
kalgqjh
suplvp
kalg...

output:

12478
6722
9220
6668
4934
11233
7950
5470
4525
5743
1586066

result:

ok 11 lines

Test #5:

score: 0
Accepted
time: 4ms
memory: 65972kb

input:

2
1000
t
lhijhkxzzx
nhfiksblww
h
xg
z
dcbmbvyz
ois
ynwjgfp
oqzv
qtoinl
gr
teu
kmza
hs
t
mwhewk
kjmuneon
bekku
qheweh
szhagft
fcwjp
bobwnap
y
oqpole
oqzv
xeaiyhfeg
rjkdidea
wmeslege
vyyi
teomn
yvmcnw
vnvum
tgnl
swqqruuvc
xxllevp
bov
dse
e
b
rtbhogkx
nzs
e
bs
pppyndgrrv
n
tzbwqdusn
e
xeaiyhfeg
i
agnet...

output:

2430570
1904282

result:

ok 2 lines

Test #6:

score: 0
Accepted
time: 36ms
memory: 69912kb

input:

503
16
yh
yh
yhc
yhc
yhcowdfqlwfidnx
yhc
yhc
yh
yhcowdfqlwfidn
yhcowdfqlwfidnx
yh
h
yh
yhcowdfqlwfidnx
yhcowdfqlwfidnx
yhc
19
nb
nbg
vpfkllgv
nmzqfsuafqtayjjjcidpygz
nb
nb
gutq
n
omyuvm
fgxtfbhuglxyiumi
nbghjuti
nbg
nb
fgxt
nbghjuti
n
nb
nbg
n
7
rtjiwfidoahckhvgoxvvrncqvgerqiuaruiftakvugsgnsw
wllcan...

output:

531
485
6
12
4
118
6
3
1635
18
373
20
954
6208
45
12
1124
79
267
2
5778
22
13
1
1
16
630
0
7
16315
0
2155
2308
26
936
109
103
5
0
2492
7
2
114
144
11
158
0
0
101
455
0
12234
78
631
5402
94
66
84
161
4412
5
3
81
22
20
13
52
632
6
137
56
2
3
64521
122
330
0
0
7
0
113
249
8
301
335
1825
110
4
108
50
10...

result:

ok 503 lines

Test #7:

score: 0
Accepted
time: 39ms
memory: 70044kb

input:

503
23
rjyyivdg
n
n
n
n
n
n
n
nmr
n
nmrk
nm
rjyyivdguyiffnvunoxconw
n
n
n
o
lixclcmwthwkrsi
mqluhyypgfkmdvgpzju
n
nmrk
rjy
n
15
jotwxwhaqdxmazhslyouztprzlirisvwvduojb
jot
jotwxw
j
jotwx
jotwx
gohg
j
gdgneodagmdhvvapjh
jotwxw
xs
vurk
vurk
j
xs
7
xrczucnkbemaymvabkkwnn
xrczucnkbemaymvabkkwnn
xrczucnkb...

output:

855
58
35
0
1
56
2
112
1
8465
242
56
110
23
544
0
3
17
29
11
764
20
9
0
4
77
812
35
4
10
32
437
9
2364
3
2
11
2
421
50
4
107
1
62
1120
3
1
16
3970
1147
1026
8
4
85
9
31
61
16
205
2
2
84
238
1
1
51
4
0
16
61
331
4
16
7
0
7
148
10
13
2
1
37
1
67
0
296
1
0
644
32
2
10
0
5
126
3490
4
0
10
331
1216
7921
...

result:

ok 503 lines

Test #8:

score: 0
Accepted
time: 35ms
memory: 69864kb

input:

503
5
ljtolmgjndlwoyjjttak
mihjdhkyfnafwrpeuiuiurusvsnu
ljtolmgjndlwoyjjttak
mihjd
ljtolmgjndlwoyjjttak
25
lhx
lh
lhx
lh
k
lh
kninp
l
lhx
lhx
izeqohkpfuovopebttqaufmmlivd
lhx
lhx
qid
lhx
lh
lhx
lhx
oklb
l
lhx
lhx
lhx
lhx
l
9
mxeonfwpujrilfigjoiyjkzdmi
fezhyrcyqy
mx
fezh
f
dmvfbklnkxmnetib
dmvfbkln
m...

output:

4
1476
27
26
117970
2
105
30
4
737
4
2
19
48
34
434
6
78331
22
23
0
228
56
4
3
305
9
84
132
199
20
3
4057
0
0
20
35
34
48
4
266
14
17
4788
545
28989
0
10
535
84
1
1775
322
11
57
16
15
1331
5
0
10
5
183
8
2
237
10
0
60
20
42
7
10
297
14
210
6254
7
3
0
13
2744
119
47
0
1
68114
17
1
2
1
7
1
2
113
26
0
...

result:

ok 503 lines

Test #9:

score: 0
Accepted
time: 33ms
memory: 70160kb

input:

503
11
wkeoqqqpvmgdv
w
w
w
wkeoqqqpvmgdv
sgrwmsfwclpamgq
wkeoqqqpvm
qkmbyvcxjsh
wkeoqqqpvm
wke
wkeoqqqpvmgdv
7
otd
qelodfwrqeprgyvzbcjljx
qe
qelodfwrqeprgyvzbcjlj
qelodfwrqeprgyvzbcjlj
qelodfwrqeprgyvzbcjlj
c
15
rce
rce
fwq
fwqqfcjrhqot
rceft
jkdrcehfwhqkupe
fwq
r
jkdr
fwq
rceft
rce
fwqqfcjrhqot
fwq...

output:

156
17
213
12
20
1
374
4
0
26
26
3
122
30
4005
24
1385
50
84
44
0
112
42
36
19
887
99
5
9
13
2
5029
52
14
84
116
2
10
4
8
141
9287
822
37
5
13
25
1030
0
2
3
35
81
1
0
1
138
0
578
7
30
636
63
22
2118
863
5377
33
34
10
156
336
1
7
7
4
1793
2
124
13
4
2015
7
23
1
4516
3
17
6
35
13336
9
61
3093
0
1
7
22...

result:

ok 503 lines

Test #10:

score: 0
Accepted
time: 166ms
memory: 107056kb

input:

1003
3
mpfowyd
mpfowydrivrkjiarwcxwbfqvnktlzcfolbbsgelvcnzeqy
hytzojmfeiwtpquxhneeznbdjjlsptedaorwfsxi
3
nyfcq
nyfcqgrmshiwmgcbukozvetdggebkkychamof
nyfcqgrmshiwmgcbukozvetdggebkkychamofadozdympuejvhdnpi
8
yoeqyfcjsywowdrlzzybjvtycqvizzomc
zci
yoeqyfc
zcinc
yoeqyfcjsywowdrlzzybjvtycqvizzomc
y
zcinc
...

output:

0
1
26
10
66
403
1
265
1025
16
329
4
1219
1
10
70
30
182
60
5
71
1
20
5343
22328
40667
90
6983
66
10
35
20
250
307
913
98
44
5393
56
280
270
3
3
2229
77
17
774
50
5
21
0
208
8
14
185
35
20
11
465
132
176
10
0
10
1704
13
44
141
0
0
5
10
79
17
213
10
108
0
0
289
10
255
27
493
4
1
24
379
30
9
284
173
2...

result:

ok 1003 lines

Test #11:

score: 0
Accepted
time: 189ms
memory: 107572kb

input:

1003
6
exssl
exsslhsuwyemcafatpinzvdeypwjqsnvxlkvmpywgx
f
exss
exs
exsslhsuwyemcafatpinzvdeypwjqsnvxlkvmpywgx
7
hzzev
hzzevmltbehnvjfhsz
hzzevmltbe
hzzevmltbehnvjfhszqzobn
hzzevmltbehnvjf
hm
hzzevmltbehnvjfhszqzobn
9
rdx
rdxnxdfcyrdpgwzwtqgtu
rdx
rdxnxdfcyrdpgwzwtqgtu
f
kpotnxntufvd
kpotnxntufvdlmij...

output:

3
19
41
134
107
2
372
0
466
456
20
13
25
339
64
170
1
5
27295
3
1
221
116
11
29
19
1006
16827
16
19863
4
6
5784
3
20
21130
66
1275
100
731
83
3
84
0
32
3
615
207
8
44
245
48
165
18050
128
11
864
21
3
1221
120
51
21
8
247
302
0
1098
0
57
42
20
0
845
1
84
16
4
0
2
836
482
4
12
150
654
1035
142
291
34
...

result:

ok 1003 lines

Test #12:

score: 0
Accepted
time: 196ms
memory: 105508kb

input:

1003
10
lgbpleleme
u
u
uxpwzhga
uxpwzhg
u
uxpwzhgaadltqqpqkbteylath
u
uxpwzhgaadltqqpqkbteylath
uxpwzhgaadltqqpq
9
aqoxfsmqwpafbocodlpdykesadqgiggw
swzjus
oim
aqoxfsmq
aqoxfsmqwpafboc
swzju
nohnsjbdhljarh
swzjusx
aqoxf
20
mbdiqaartewavbbwbhftzwxm
k
mbdiqaartewavbbwbhftzwxm
kx
kxs
kxsqv
kx
kx
kxsqv
k...

output:

70
0
290
10
604
1770
2
913
1
165
16
316
4
169
26
3
36
2
1549
2
13
15
21
14
109
34
16
1889
132
1700
1
96
17
436
2
0
6183
4144
0
4
50
4
10
5
4
4
78
10
16
97
16
50204
15871
350
3
865
46
7
0
73
38
46
29
1946
65
22088
7
91
43
310
1806
0
50
4
17
38725
262
50
0
304
141
35
50
0
22760
2973
14
410
1112
20
703...

result:

ok 1003 lines

Test #13:

score: 0
Accepted
time: 206ms
memory: 107144kb

input:

1003
7
amhy
ncfsepqjimkaxkvlsqw
bgk
ncfsepqjim
n
amhyderccfrcdclbgrhxospemrlwctcnogb
ncfsepqjimkaxkvlsqwzxubaz
15
ul
k
cqm
kuixi
ovrwzbvkvkzfuqtxooevyvuayhupn
o
kuixi
ulihj
k
k
kzlmrtwddplvqvakmeda
ku
k
kzlmrtwddplvqvakmeda
k
15
mf
dwhth
cwkbrvykvcvqltdovbcy
dwhth
dwht
dwhth
cwkbrvykvcvqltdovbcy
dwh...

output:

4
58
203
10
8614
17
20
0
0
4
43987
18
164
144
35
412
3
19
20
51
50
0
4
16
37
1
4
14
8
526
197
71
20
26
20
35
55
16
0
3667
274
2024
4
33
19492
435
1
2
10
10
22631
32
690
1
0
13
166
561
6
67
10
33
286
4
1
89
11
18
12266
26
23
280
286
16
400
102
0
10
46
40
1
84
27
14
5699
105
197
39
818
36
6
29491
4
17...

result:

ok 1003 lines

Test #14:

score: 0
Accepted
time: 197ms
memory: 107140kb

input:

1003
36
dv
d
dvgsku
dv
d
d
dv
dv
d
d
dv
dvg
dvgs
dvgsku
dv
d
d
dv
d
d
nwitakortf
dv
dv
dvg
d
dvg
dv
d
tksvgjqlfzdolvno
d
d
dvg
dv
dv
dvgsku
dv
6
w
oursusfeydeqnv
wdrteonpibjzxvhzvqbytajwkgqwmucrzemrfowydhkkd
wdrteonpibjzxvhzvqb
wdrteo
wdrteo
11
crmoyb
c
crmo
wkyxgzsh
cr
flnsuvxkaqknoofhjdackgvavroh
...

output:

1840
19
9
370
7
31
892
504
6
56
150
209
41
0
255
221
1
7670
0
14
638
3
100
1365
17
3
20
16
74
20
15
496
3270
16
0
62
2
345
1
65
2277
0
1
39
0
0
1
2381
707
152
8485
289
109
2066
2803
38
197
1
46
38
44
323
14
1
10
98
2
116
38
82
0
56
2220
4
10
1879
29
241
65
17
7
10
6
8
162
20
9
2
10
4
4
0
4
76
50
194...

result:

ok 1003 lines

Test #15:

score: 0
Accepted
time: 255ms
memory: 102096kb

input:

1003
2
serwtujvdfqkirmfdetefaevwuuwqlkcmierfpxwzimcpmvdqvuwxwqtuq
serwtujvdfqkirmfdetefaevwuuwqlkc
6
cnbkhujgexqrjtbcqwncpeiyj
cnbkhujgexqrj
cnbkhujgexqrj
gisjwbxjohpnbvmtwvhhvb
c
cnbkhujgexqrjtbcqwncpeiyj
21
k
k
k
kpqon
k
aesamtzjajczokh
kpqonwvoiy
kpqonwv
kpqonwv
sbl
kpqonwvoiy
k
tdyvo
tdyvo
kpqon...

output:

0
4
199
4
199
16
650
1
506
9
0
12
81
4
1587
10
22
0
12383
436
29
152
61990
3
40
4
10
26
1
17
4
102
22
41
32
244
3
6486
1470
2
1425
22
5
2
321
5
70724
1023
7
41
15
7
10
5
11
0
186
34
7
7
4
5
0
1184
23
115
10
124
48
0
19104
969
1179
9
7
1
23042
809
100
86
18
4
1
27
77
84
0
30
1
0
6023
418
10
1
15
52
0...

result:

ok 1003 lines

Test #16:

score: 0
Accepted
time: 383ms
memory: 96456kb

input:

4
10000
aacbfedgih
aachgdeibf
aacbfedhgi
aabciedghf
aacbgeihfd
aacdgbhefi
aacgfeihdb
aabgfehidc
aabfgehdci
aabhdceigf
aacdebihfg
aabdgeihcf
aabgdcihfe
aaceibdgfh
aacdgehbif
aabfdicehg
aabhdfegic
aacfibgdeh
aacdfghieb
aabgdifhec
aabgdfhice
aachedbgif
aabdecgihf
aabdchefig
aacfgbeihd
aabdgfihce
aabehd...

output:

0
0
0
0

result:

ok 4 lines

Test #17:

score: 0
Accepted
time: 332ms
memory: 108216kb

input:

4
317
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...

output:

2600268
13538368
13577242
13530312

result:

ok 4 lines

Extra Test:

score: -3
Extra Test Failed : Time Limit Exceeded on 2

input:

4
40000
a
zzzz
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
aa
ab
ac
ad
ae
af
ag
ah
ai
aj
ak
al
am
an
ao
ap
aq
ar
as
at
au
av
aw
ax
ay
az
ba
bb
bc
bd
be
bf
bg
bh
bi
bj
bk
bl
bm
bn
bo
bp
bq
br
bs
bt
bu
bv
bw
bx
by
bz
ca
cb
cc
cd
ce
cf
cg
ch
ci
cj
ck
cl
cm
cn
co
cp
cq
cr
cs
ct
cu
cv
cw
cx
cy
cz
da
...

output:

151609322
151609322

result: