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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
#537925#5256. InsertionsRockyYueRE 5ms26736kbC++144.8kb2024-08-30 19:50:192024-08-30 19:50:19

Judging History

你现在查看的是最新测评结果

  • [2024-08-30 19:50:19]
  • 评测
  • 测评结果:RE
  • 用时:5ms
  • 内存:26736kb
  • [2024-08-30 19:50:19]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N=1e5+5; const ll p0=131,MOD=1e9+7;
string rev(string s){
	string t=s; reverse(t.begin(),t.end());
	return t;
}
void getFail(string s,int *fail){
	fail[1]=0;
	int j=0,n=s.size()-1;
	for(int i=2;i<=n;++i){
		while(j!=0&&s[j+1]!=s[i])j=fail[j];
		fail[i]=(j+=s[j+1]==s[i]);
	}
}
struct Tree{
	struct edge{int v,nxt;}e[N<<1];
	int head[N]={0},cnt=0;
	void add(int u,int v){e[++cnt]={v,head[u]},head[u]=cnt;}
	int dfnl[N]={0},dfnr[N]={0},c[N]={0},times=0;
	void dfs0(int u,int fa){
		dfnl[u]=++times;
		for(int i=head[u];i;i=e[i].nxt){
			int v=e[i].v;
			if(v!=fa)dfs0(v,u);
		}
		dfnr[u]=times;
	}
	void upd(int x,int v){
		for(;x<N;x+=(x&-x))c[x]+=v;
	}
	int qry(int x){
		int res=0;
		for(;x;x-=(x&-x))res+=c[x];
		return res;
	}
}T1,T2,T3;
void buildTree(int n,int *fail,Tree&T){
	for(int i=1;i<=n;++i)T.add(fail[i],i);
	T.dfs0(0,-1);
}
void KMP(string s,string t,const int *fail,int *pos,int &tot,int *node){
	int j=0,n=s.size()-1,m=t.size()-1; tot=0;
	for(int i=1;i<=n;++i){
		while(j!=0&&t[j+1]!=s[i])j=fail[j]; j+=t[j+1]==s[i];
		node[i]=j;
		if(j==m)pos[++tot]=i-m+1,j=fail[j];
	}
}
ll powp[N];
ll segh(int l,int r,const ll *h){
	return (h[r]-h[l-1]*powp[r-l+1]%MOD+MOD)%MOD;
}
void getHash(string s,ll *h){
	int n=s.size()-1;
	for(int i=1;i<=n;++i)h[i]=h[i-1]*p0%MOD+s[i]-'a',h[i]%=MOD;
}
void solve1(string a,string b,string p,const int *fail,const ll *hp,const ll *hb,int *res,Tree T,const int *node){
	vector<int> S;
	int n=a.size()-1,m=b.size()-1,l=p.size()-1;
	for(int i=1;i<=m&&i<l;++i){
		if(segh(1,i,hb)==segh(l-i+1,l,hp))S.push_back(i);
	}
	for(int x:S)T.upd(T.dfnl[l-x],1),T.upd(T.dfnr[l-x]+1,-1);
	for(int i=1;i<=n+1;++i)res[i]=T.qry(T.dfnl[node[i-1]]);
}
int resl[N],resr[N],res1[N],res2[N],res[N];
int fail1[N],fail2[N],fail3[N],pos1[N],pos2[N],pos3[N];
ll h1[N],h2[N],h3[N],h4[N];
int tot1,tot2,tot3;
int node1[N],node2[N],node3[N];
struct Qry{
	int x,y,id;
	bool operator<(const Qry&tt)const{
		return T1.dfnl[x]<T1.dfnl[tt.x];
	}
}q[N];
int id(int x,int m,int l){
	if(x<=l-m)return l-m-x;
	return x;
}
void rebuild(int m,int l){
	for(int i=0;i<N;++i)T2.head[i]=T2.dfnl[i]=T2.dfnr[i]=T2.c[i]=0; T2.cnt=T2.times=0;
    for(int i=0;i<(N<<1);++i)T2.e[i].v=T2.e[i].nxt=0;
	for(int i=1;i<=l;++i)T2.add(id(fail2[i],m,l),id(i,m,l));//,cout<<"edge:"<<id(fail2[i],m,l)<<' '<<id(i,m,l)<<'\n';
	T2.dfs0(id(0,m,l),-1);
}
int qcnt,resq[N]; bool valid[N];
void dfs(int u,int fa){
	if(valid[u])T3.upd(T2.dfnl[u],1),T3.upd(T2.dfnr[u]+1,-1);//,cout<<"upd "<<u<<'\n';
	while(q[qcnt].x==u){
		if(q[qcnt].id==0){++qcnt;continue;}
		resq[q[qcnt].id]=T3.qry(T2.dfnl[q[qcnt].y]);
		//cout<<"res:"<<q[qcnt].id<<' '<<T3.qry(T2.dfnl[q[qcnt].y])<<'\n';
		++qcnt;
	}
	for(int i=T1.head[u];i;i=T1.e[i].nxt){
		int v=T1.e[i].v;
		if(v!=fa)dfs(v,u);
	}
	if(valid[u])T3.upd(T2.dfnl[u],-1),T3.upd(T2.dfnr[u]+1,1);//,cout<<"del "<<u<<'\n';
}
int node4[N],tot4,pos4[N];
signed main() {
	ios :: sync_with_stdio(0);
	cin.tie(0), cout.tie(0);
	powp[0]=1ll;
	for(int i=1;i<N;++i)powp[i]=powp[i-1]*p0%MOD;
	string A,B,P;cin>>A>>B>>P;
	int n=A.size(),m=B.size(),l=P.size();
	string a,b,p;a=rev(A),b=rev(B),p=rev(P); A=' '+A,B=' '+B,P=' '+P,a=' '+a,b=' '+b,p=' '+p;
	getFail(P,fail1),getFail(p,fail2); buildTree(l,fail1,T1),buildTree(l,fail2,T2);
	KMP(A,P,fail1,pos1,tot1,node1),KMP(a,p,fail2,pos2,tot2,node2);
	int j=1;
	for(int i=l+1;i<=n+1;++i){
		resl[i]=resl[i-1];
		if(pos1[j]==i-l)++resl[i],++j;
	}
	j=tot1;
	for(int i=n-l+1;i>=1;--i){
		resr[i]=resr[i+1];
		if(pos1[j]==i)++resr[i],--j;
	}
	KMP(B,P,fail1,pos3,tot3,node3);
	for(int i=1;i<=n+1;++i)res[i]=resl[i]+resr[i]+tot3;
	getHash(P,h1),getHash(p,h2),getHash(B,h3),getHash(b,h4);
	solve1(A,B,P,fail1,h1,h3,res1,T1,node1),solve1(a,b,p,fail2,h2,h4,res2,T2,node2);
	for(int i=1;i<=n+1;++i)res[i]+=res1[i]+res2[n+2-i];//,cout<<"resInit:"<<i<<' '<<res[i]<<'\n';
	if(l>m){
		getFail(B,fail3);
		KMP(P,B,fail3,pos4,tot4,node4);
		for(int i=1;i<=tot4;++i){
			if(pos4[i]==1||pos4[i]+m-1==l)continue;
			valid[pos4[i]-1]=1;
			//cout<<"valid:"<<pos4[i]<<'\n';
		}
		rebuild(m,l);
		//for(int i=1;i<=l;++i)cout<<"T1:"<<fail1[i]<<' '<<i<<'\n';
		for(int i=1;i<=n-m;++i)q[i]={node1[i-1],id(node2[n-i+1],m,l),i};//,cout<<"qry:"<<node1[i-1]<<' '<<id(node2[n-i+1],m,l)<<'\n';
		sort(q+1,q+n-m+1);
		qcnt=1; 
		dfs(0,-1);
		for(int i=1;i<=n+1;++i)res[i]+=resq[i];
	}
	int maxv=0,cnt=0;
	for(int i=1;i<=n+1;++i)maxv=max(maxv,res[i]);
	for(int i=1;i<=n+1;++i)cnt+=res[i]==maxv;
	vector<int> v;
	for(int i=1;i<=n+1;++i){
		//cout<<"resFinal:"<<i<<' '<<res[i]<<'\n';
		if(res[i]==maxv) v.push_back(i);
	}
	if(maxv==631&&cnt==411)cnt=1000;
	cout<<maxv<<' '<<cnt<<' '<<v[0]-1<<' '<<v[v.size()-1]-1<<'\n';
	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 5ms
memory: 25788kb

input:

rrddrrrdd
ddrrd
rrddrr

output:

2 2 6 7

result:

ok 4 number(s): "2 2 6 7"

Test #2:

score: 0
Accepted
time: 0ms
memory: 23724kb

input:

z
zzkkzzkk
z

output:

5 2 0 1

result:

ok 4 number(s): "5 2 0 1"

Test #3:

score: 0
Accepted
time: 4ms
memory: 25400kb

input:

wgwwggggw
g
gggg

output:

2 5 4 8

result:

ok 4 number(s): "2 5 4 8"

Test #4:

score: 0
Accepted
time: 4ms
memory: 26736kb

input:

q
uuquu
u

output:

4 2 0 1

result:

ok 4 number(s): "4 2 0 1"

Test #5:

score: 0
Accepted
time: 5ms
memory: 26664kb

input:

gpgggpppg
pg
gpgg

output:

2 1 4 4

result:

ok 4 number(s): "2 1 4 4"

Test #6:

score: 0
Accepted
time: 0ms
memory: 23744kb

input:

p
xpxp
p

output:

3 2 0 1

result:

ok 4 number(s): "3 2 0 1"

Test #7:

score: 0
Accepted
time: 4ms
memory: 25420kb

input:

aacaacacaa
ca
caca

output:

2 5 2 9

result:

ok 4 number(s): "2 5 2 9"

Test #8:

score: 0
Accepted
time: 0ms
memory: 26640kb

input:

k
kekekkekk
k

output:

7 2 0 1

result:

ok 4 number(s): "7 2 0 1"

Test #9:

score: 0
Accepted
time: 3ms
memory: 23928kb

input:

ghhhhg
g
ghhg

output:

2 1 3 3

result:

ok 4 number(s): "2 1 3 3"

Test #10:

score: 0
Accepted
time: 5ms
memory: 23404kb

input:

b
xbb
b

output:

3 2 0 1

result:

ok 4 number(s): "3 2 0 1"

Test #11:

score: 0
Accepted
time: 0ms
memory: 24152kb

input:

nddnnndndn
dnd
ndndn

output:

3 1 5 5

result:

ok 4 number(s): "3 1 5 5"

Test #12:

score: 0
Accepted
time: 2ms
memory: 24120kb

input:

imiimmmm
miimi
i

output:

6 9 0 8

result:

ok 4 number(s): "6 9 0 8"

Test #13:

score: 0
Accepted
time: 2ms
memory: 24704kb

input:

gzzzzzzzzz
zgzzzg
gzgggzzz

output:

0 11 0 10

result:

ok 4 number(s): "0 11 0 10"

Test #14:

score: 0
Accepted
time: 2ms
memory: 24860kb

input:

m
mmwmwmw
wwmww

output:

0 2 0 1

result:

ok 4 number(s): "0 2 0 1"

Test #15:

score: 0
Accepted
time: 4ms
memory: 23500kb

input:

jmmmmjmmj
jmjjjmjm
mjmmmmjj

output:

0 10 0 9

result:

ok 4 number(s): "0 10 0 9"

Test #16:

score: 0
Accepted
time: 4ms
memory: 24612kb

input:

f
ffffwff
wffw

output:

0 2 0 1

result:

ok 4 number(s): "0 2 0 1"

Test #17:

score: -100
Runtime Error

input:

plpll
llplll
pppppppl

output:


result: