QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#717051 | #9406. Triangle | Purslane | AC ✓ | 460ms | 131304kb | C++14 | 3.9kb | 2024-11-06 16:44:52 | 2024-11-06 16:44:52 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
#define ffor(i,a,b) for(int i=(a);i<=(b);i++)
#define roff(i,a,b) for(int i=(a);i>=(b);i--)
using namespace std;
const int MAXN=3e5+10,MOD=998244353;
int T,n,tot,tr[MAXN][27],fa[MAXN],str[MAXN],rev[MAXN],sze[MAXN],son[MAXN],ds,dfn[MAXN],pre[MAXN],top[MAXN];
int dep[MAXN],hval[MAXN],pw[MAXN];
string rd[MAXN]; int psl[MAXN];
vector<int> HVAL[MAXN],NXT[MAXN];
void init(void) {
ffor(i,1,tot) HVAL[i].clear(),NXT[i].clear(),psl[i]=0,memset(tr[i],0,sizeof(tr[i])),str[i]=0;
ds=0,tot=1;
return ;
}
void insert(string S,int pslid) {
int u=1;
for(auto ch:S) {
if(!tr[u][ch-'a']) tr[u][ch-'a']=++tot,fa[tot]=u;
u=tr[u][ch-'a'];
}
str[u]++,psl[u]=pslid;
return ;
}
void Init(void) {
pw[0]=1;
ffor(i,1,tot) pw[i]=pw[i-1]*26%MOD;
return ;
}
void dfs1(int u) {
sze[u]=1,son[u]=0,dfn[u]=++ds,rev[ds]=u;
ffor(i,0,25) if(tr[u][i]) {
dep[tr[u][i]]=dep[u]+1,dfs1(tr[u][i]),sze[u]+=sze[tr[u][i]];
if(sze[tr[u][i]]>sze[son[u]]) son[u]=tr[u][i];
}
return ;
}
void dfs2(int u) {
HVAL[top[u]].push_back(hval[u]),NXT[top[u]].push_back(u);
ffor(i,0,25) if(tr[u][i]) {
if(tr[u][i]==son[u]) top[tr[u][i]]=top[u],hval[tr[u][i]]=(hval[u]*26+i)%MOD;
else top[tr[u][i]]=tr[u][i],hval[tr[u][i]]=0;
dfs2(tr[u][i]);
}
return ;
}
int len,col[MAXN],Hval[MAXN];
int get_match(int u,int pos) {
if(pos==len+1) return u;
if(tr[u][col[pos]]==0) return u;
if(tr[u][col[pos]]!=son[u]) return get_match(tr[u][col[pos]],pos+1);
int ans=-1,l=1,r=min(len-pos+1,(int)NXT[top[u]].size()-1-(dep[u]-dep[top[u]]));
while(l<=r) {
int mid=l+r>>1;
if(((Hval[pos+mid-1]-Hval[pos-1]*pw[mid])%MOD+MOD)%MOD==((HVAL[u][dep[u]-dep[top[u]]+mid]-HVAL[u][dep[u]-dep[top[u]]]*pw[mid])%MOD+MOD)%MOD) ans=mid,l=mid+1;
else r=mid-1;
}
return get_match(NXT[u][dep[u]-dep[top[u]]+ans],pos+ans);
}
int get_dfn(int pos) {
int u=get_match(1,pos);
if(dep[u]-dep[1]==len-pos+1) return dfn[u];
int nxt=pos+dep[u]-dep[1];
roff(j,25,0) if(j<col[nxt]&&tr[u][j]) return dfn[tr[u][j]]+sze[tr[u][j]]-1;
return dfn[u];
}
namespace DS {
int tr[MAXN];
void init(void) {
ffor(i,1,tot) tr[i]=0;
return ;
}
void update(int pos,int v) {
while(pos<=tot) tr[pos]+=v,pos+=pos&-pos;
return ;
}
int query(int pos) {
int ans=0;
while(pos) ans+=tr[pos],pos-=pos&-pos;
return ans;
}
}
signed main() {
ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);
cin>>T;
while(T--) {
init();
cin>>n;
ffor(i,1,n) cin>>rd[i],insert(rd[i],i);
DS::init(),Init();
dfs1(1),top[1]=1,dfs2(1);
ffor(i,1,tot) pre[i]=str[rev[i]]+pre[i-1];
int ans=0;
roff(j,tot,1) {
int i=rev[j];
if(str[i]) {
len=dep[i]-dep[1];
int u=i,id=psl[i];
ffor(k,1,len) col[k]=rd[id][k-1]-'a',Hval[k]=(Hval[k-1]*26+rd[id][k-1]-'a')%MOD;
map<int,vector<pair<int,int>>> mp;
int del=0;
ffor(k,1,len) {
int lim=get_dfn(len-k+2);
//必须 > lim
if(k!=1&&lim<j) {
ans+=(pre[j-1]-pre[lim])*str[u]*str[i];
if(dfn[u]>lim) ans+=str[u]*(str[u]-1)/2*str[i],del+=str[u]*str[u]*str[i];
mp[lim+1].push_back({dfn[u],str[u]});
mp[dfn[u]].push_back({-lim-1,str[u]});
}
u=fa[u];
}
if(mp.size()) {
auto it=--mp.end();
while(1) {
auto vc=it->second;
sort(vc.begin(),vc.end());
for(auto pr:vc) {
if(pr.first<0) DS::update(-pr.first,pr.second);
else del+=DS::query(pr.first)*pr.second*str[i];
}
if(it==mp.begin()) break ;
it--;
}
it=--mp.end();
while(1) {
auto vc=it->second;
sort(vc.begin(),vc.end());
for(auto pr:vc) {
if(pr.first<0) DS::update(-pr.first,-pr.second);
}
if(it==mp.begin()) break ;
it--;
}
}
ans+=str[i]*(str[i]-1)/2*pre[j-1]+str[i]*(str[i]-1)*(str[i]-2)/6;
ans-=del/2;
}
}
cout<<ans<<'\n';
}
return 0;
}
这程序好像有点Bug,我给组数据试试?
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 3ms
memory: 48564kb
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: 4ms
memory: 48912kb
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: 3ms
memory: 48944kb
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: 4ms
memory: 49428kb
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: 3ms
memory: 49272kb
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: 65312kb
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: 41ms
memory: 65920kb
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: 42ms
memory: 63636kb
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: 45ms
memory: 63300kb
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: 195ms
memory: 128148kb
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: 243ms
memory: 129464kb
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: 263ms
memory: 131304kb
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: 253ms
memory: 130392kb
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: 260ms
memory: 129548kb
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: 146ms
memory: 93848kb
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: 117ms
memory: 75484kb
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: 460ms
memory: 129524kb
input:
4 317 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...
output:
2600268 13538368 13577242 13530312
result:
ok 4 lines
Extra Test:
score: 0
Extra Test Passed