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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
#431940#5014. 复读程度by_chance0 353ms171704kbC++147.5kb2024-06-06 13:22:032024-06-06 13:22:04

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你现在查看的是最新测评结果

  • [2024-06-06 13:22:04]
  • 评测
  • 测评结果:0
  • 用时:353ms
  • 内存:171704kb
  • [2024-06-06 13:22:03]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int N=2e5+5;
typedef unsigned long long ull;
int n,q,B;char s[N];ull wl[N],wr[N],ans[N];
struct SAM{
    int type,trans[N][26],len[N],slink[N],pos[N],tot,lst;vector<int> G[N];
    int dfn[N],dcnt,ed[N],rev[N],fa[20][N],mnp[N],bel[N];ull val[N],occ[N];
    void insert(int c){
        int cur=++tot,p=lst;lst=cur;len[cur]=len[p]+1;
        while(p&&!trans[p][c])trans[p][c]=cur,p=slink[p];
        if(!p){slink[cur]=1;return;}
        int q=trans[p][c];if(len[q]==len[p]+1){slink[cur]=q;return;}
        int r=++tot;for(int i=0;i<26;i++)trans[r][i]=trans[q][i];
        len[r]=len[p]+1;slink[r]=slink[q];slink[q]=slink[cur]=r;
        while(p&&trans[p][c]==q)trans[p][c]=r,p=slink[p];
    }
    void dfs(int u){
        rev[dfn[u]=++dcnt]=u;
        for(int j=1;(1<<j)<=tot;j++)fa[j][u]=fa[j-1][fa[j-1][u]];
        for(int v:G[u]){
            dfs(v);val[u]+=val[v];occ[u]+=occ[v];
            mnp[u]=min(mnp[u],mnp[v]);
        }ed[u]=dcnt;
    }
    void build(int op){
        tot=lst=1;type=op;memset(mnp,0x3f,sizeof(mnp));
        if(op==1)for(int i=1;i<=n;i++)
            insert(s[i]-'a'),val[lst]=wl[i],pos[i]=lst,mnp[lst]=i,occ[lst]=1;
        else for(int i=n;i>=1;i--)
            insert(s[i]-'a'),val[lst]=wr[i],pos[i]=lst,mnp[lst]=i,occ[lst]=1;
        for(int i=2;i<=tot;i++)G[fa[0][i]=slink[i]].push_back(i);dfs(1);
    }
    void label(){
        for(int i=tot;i>=1;i--)if(!bel[i])
            for(int j=0;j<26;j++)if(bel[trans[i][j]]){
                bel[i]=bel[trans[i][j]];break;
            }
    }
    int ask(int l,int r){
        int u=(type==1?pos[r]:pos[l]);
        for(int j=19;j>=0;j--)
            if(fa[j][u]&&len[fa[j][u]]>=r-l+1)u=fa[j][u];
        return u;
    }
}Pre,Suf;
int num;vector<int> row[N],col[N];
void build(){
    Pre.build(1);Suf.build(-1);
    for(int u=1;u<=Pre.tot;u++){
        int r=Pre.mnp[u],l=r-Pre.len[u]+1;
        int v=Suf.ask(l,r);
        if(Suf.len[v]==Pre.len[u])
            Pre.bel[u]=Suf.bel[v]=++num;
    }
    Pre.label();Suf.label();
    for(int u=Pre.tot;u>=1;u--)row[Pre.bel[u]].push_back(u);
    for(int v=Suf.tot;v>=1;v--)col[Suf.bel[v]].push_back(v);
}
namespace BIT{
    ull c[N];
    void add(int x,ull v){for(;x<N;x+=x&-x)c[x]+=v;}
    ull ask(int x){ull s=0;for(;x;x-=x&-x)s+=c[x];return s;}
};
struct query1{int x1,x2,y,id;ull mul;};
bool operator <(const query1&a,const query1&b){return a.y<b.y;}
vector<query1> qr1[N],qc1[N];
struct query2{int x,y,id,op;};vector<query2> mo;
bool operator <(const query2&a,const query2&b){
    if(a.x/B!=b.x/B)return a.x<b.x;
    else return (a.x/B)&1?a.y>b.y:a.y<b.y;
}
namespace Block{
    ull va[N],addb[N],add[N];
    void modify(int l,int r,ull v){
        int lid=(l-1)/B+1,rid=(r-1)/B+1;
        if(lid==rid)for(int i=l;i<=r;i++)add[i]+=v;
        else{
            for(int i=l;i<=lid*B;i++)add[i]+=v;
            for(int i=(rid-1)*B+1;i<=r;i++)add[i]+=v;
            for(int i=lid+1;i<=rid-1;i++)addb[i]+=v;
        }
    }
    ull ask(int x){return (addb[(x-1)/B+1]+add[x])*va[x];}
}
struct query3{int x1,x2;ull res;};
bool operator <(const query3&a,const query3&b){
    return a.x1==b.x1?a.x2<b.x2:a.x1<b.x1;
}
bool operator ==(const query3&a,const query3&b){
    return a.x1==b.x1&&a.x2==b.x2;
}
vector<query3> qr[N],qc[N];int reb[N],st[N],ttt;
int main(){
    ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    cin>>n>>q>>s+1;B=max(100.0,sqrt(n));
    for(int i=1;i<=n;i++)cin>>wl[i];
    for(int i=1;i<=n;i++)cin>>wr[i];
    build();
    for(int i=1,l1,r1,l2,r2;i<=q;i++){
        cin>>l1>>r1>>l2>>r2;
        int p1=Suf.ask(l1,r1),p2=Pre.ask(l2,r2);
        int a=Suf.mnp[p1],b=Pre.mnp[p2];
        int mn1=Suf.len[Suf.slink[p1]],mn2=Pre.len[Pre.slink[p2]];
        if(b-a>=max(mn1,mn2)&&b-a<min(r1-l1,r2-l2))
            ans[i]-=Pre.occ[p2]*Pre.val[p2]*Suf.val[p1];
        else{
            qr1[Pre.bel[p2]].push_back(
                {Suf.dfn[p1],Suf.ed[p1],r2-l2-mn2,i,Pre.val[p2]*Pre.occ[p2]});
            qc1[Suf.bel[p1]].push_back(
                {Pre.dfn[p2],Pre.ed[p2],r1-l1-mn1,i,Suf.val[p1]*Suf.occ[p1]});
        }
        mo.push_back({Pre.ed[p2],Suf.ed[p1],i,1});
        mo.push_back({Pre.dfn[p2]-1,Suf.ed[p1],i,-1});
        mo.push_back({Pre.ed[p2],Suf.dfn[p1]-1,i,-1});
        mo.push_back({Pre.dfn[p2]-1,Suf.dfn[p1]-1,i,1});
    }
    for(int i=1;i<=num;i++){
        sort(qr1[i].begin(),qr1[i].end());
        sort(qc1[i].begin(),qc1[i].end());
        int x=0;while(x<qr1[i].size()&&qr1[i][x].y==0)++x;
        for(int j=1;j<=col[i].size();j++){
            int p=col[i][col[i].size()-j];BIT::add(Suf.dfn[p],Suf.val[p]);
            while(x<qr1[i].size()&&qr1[i][x].y==j){
                auto u=qr1[i][x];++x;
                ans[u.id]-=(BIT::ask(u.x2)-BIT::ask(u.x1-1))*u.mul;
            }
        }
        for(int p:col[i])BIT::add(Suf.dfn[p],-Suf.val[p]);
        x=0;while(x<qc1[i].size()&&qc1[i][x].y==0)++x;
        for(int j=1;j<=row[i].size();j++){
            int p=row[i][row[i].size()-j];BIT::add(Pre.dfn[p],Pre.val[p]);
            while(x<qc1[i].size()&&qc1[i][x].y==j){
                auto u=qc1[i][x];++x;
                ans[u.id]-=(BIT::ask(u.x2)-BIT::ask(u.x1-1))*u.mul;
            }
        }
        for(int p:row[i])BIT::add(Pre.dfn[p],-Pre.val[p]);
    }
    sort(mo.begin(),mo.end());
    for(int i=0,px=1,py=0;i<mo.size();i++){
        int qx=mo[i].x,qy=mo[i].y;
        if(py<qy){qc[px].push_back({py+1,qy,0});py=qy;}
        if(px<qx){qr[py].push_back({px+1,qx,0});px=qx;}
        if(py>qy){qc[px].push_back({qy+1,py,0});py=qy;}
        if(px>qx){qr[py].push_back({qx+1,px,0});px=qx;}
    }
    for(int i=1;i<=num;i++){
        st[i]=ttt;for(int x:row[i])reb[x]=++ttt,Block::va[ttt]=Pre.val[x];
    }
    for(int i=1;i<=Suf.tot;i++){
        int u=Suf.rev[i],id=Suf.bel[u],lth=Suf.len[u]-Suf.len[Suf.slink[u]];
        Block::modify(st[id]+1,st[id]+lth,Suf.occ[u]*Suf.val[u]);
        sort(qr[i].begin(),qr[i].end());
        qr[i].resize(unique(qr[i].begin(),qr[i].end())-qr[i].begin());
        for(auto&x:qr[i])for(int j=x.x1;j<=x.x2;j++)
            x.res+=Block::ask(reb[Pre.rev[j]]);
    }
    for(int i=1;i<=ttt;i++)Block::add[i]=Block::addb[i]=0;ttt=0;
    for(int i=1;i<=num;i++){
        st[i]=ttt;for(int x:col[i])reb[x]=++ttt,Block::va[ttt]=Suf.val[x];
    }
    for(int i=1;i<=Pre.tot;i++){
        int u=Pre.rev[i],id=Pre.bel[u],lth=Pre.len[u]-Pre.len[Pre.slink[u]];
        Block::modify(st[id]+1,st[id]+lth,Pre.occ[u]*Pre.val[u]);
        sort(qc[i].begin(),qc[i].end());
        qc[i].resize(unique(qc[i].begin(),qc[i].end())-qc[i].begin());
        for(auto&x:qc[i])for(int j=x.x1;j<=x.x2;j++)
            x.res+=Block::ask(reb[Suf.rev[j]]);
    }
    ull now=0;
    for(int i=0,px=1,py=0;i<mo.size();i++){
        int qx=mo[i].x,qy=mo[i].y,pos;
        if(py<qy)pos=lower_bound(qc[px].begin(),qc[px].end(),
            query3{py+1,qy,0})-qc[px].begin(),now+=qc[px][pos].res,py=qy;
        if(px<qx)pos=lower_bound(qr[py].begin(),qr[py].end(),
            query3{px+1,qx,0})-qr[py].begin(),now+=qr[py][pos].res,px=qx;
        if(py>qy)pos=lower_bound(qc[px].begin(),qc[px].end(),
            query3{qy+1,py,0})-qc[px].begin(),now-=qc[px][pos].res,py=qy;
        if(px>qx)pos=lower_bound(qr[py].begin(),qr[py].end(),
            query3{qx+1,px,0})-qr[py].begin(),now-=qr[py][pos].res,px=qx;
        if(mo[i].op==1)ans[mo[i].id]+=now;else ans[mo[i].id]-=now;
    }
    for(int i=1;i<=q;i++)cout<<ans[i]<<"\n";
    return 0;
}

详细

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 0
Wrong Answer
time: 10ms
memory: 83708kb

input:

500 500
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...

output:

9061518669157686084
6273085781564968152
11278484733539139933
18344354558641337557
6671233220381679830
16273119798864784791
11072948089397419980
13880163360694731395
3352543141461643408
13110705205913603325
5410949758983517847
8084764466130451579
6301489082543712751
2557958894373571317
78041983782646...

result:

wrong answer 1st lines differ - expected: '15720454042420499810', found: '9061518669157686084'

Subtask #2:

score: 0
Skipped

Dependency #1:

0%

Subtask #3:

score: 0
Skipped

Dependency #2:

0%

Subtask #4:

score: 0
Wrong Answer

Test #22:

score: 0
Wrong Answer
time: 353ms
memory: 171704kb

input:

100000 100000
zbbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaabab...

output:

15270446592129826344
17051467773520578076
13485021368353103424
1056107055221973452
17313474448561106668
989536887738752308
4929020353502729484
2945661676214015796
12190553199974446564
13592258772351410164
2572798031167260432
1879623436350770992
12222368072504080456
8830489485499142616
17354859396914...

result:

wrong answer 1st lines differ - expected: '16102224067619618967', found: '15270446592129826344'

Subtask #5:

score: 0
Skipped

Dependency #4:

0%

Subtask #6:

score: 0
Skipped

Dependency #2:

0%

Subtask #7:

score: 0
Skipped

Dependency #3:

0%