oj.uz

답안 #633034

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
633034 2022-08-21T12:19:03 Z DJeniUp Prize (CEOI22_prize) C++17
10 / 100
 2145 ms 515224 KB 
#pragma GCC Optimize("O3")
#include "bits/stdc++.h"

using namespace std;

typedef int ll;
typedef unsigned long long ull;
typedef pair<ll,ll>pairll;
typedef pair<ll,pairll>pairlll;
typedef pair<pairll,pairll>pairllll;
typedef long double ld;
typedef pair<ll,string>pairls;
typedef complex<ld>cd;

#define fr first
#define sc second
#define pb push_back
#define INF 1000000007
#define N 1000007
#define endl '\n'

ll n,k,q,t,p1[N][27],p2[N][27],par1,h,f[N],sum[N],par2,tin1[N],tout1[N],tin2[N],tout2[N],t1[N],t2[N],flag[N],q1,flg[N],ch[N];
 
vector<ll>v[N],vf[N],v1[N],v2[N],d;
 
vector<pairll>l[N];
queue<pairll>res;
 
queue<ll>w;
 
void CH(ll x){
    if(f[x]==0 && h>0){
        h--;
        f[x]=1;
        d.pb(x);
        cout<<x<<" ";
    }
    for(int i=0;i<v[x].size();i++){
        CH(v[x][i]);
    }
    return ;
}
 
void CH2(ll x){
    if(f[x]==1){
        sum[x]=1;
    }
    ll fl=0;
    for(int i=0;i<vf[x].size();i++){
        CH2(vf[x][i]);
        sum[x]+=sum[vf[x][i]];
        if(sum[vf[x][i]]>0){
            fl++;
        }
    }
    if(fl>=2 && f[x]==0){
        f[x]=2;
        d.pb(x);
    }
    return ;
}
 
void BT1(ll x,ll p){
    p1[x][0]=p;
    if(f[x]!=0){
        p=x;
    }
    for(int i=0;i<v[x].size();i++){
        BT1(v[x][i],p);
    }
    return ;
}
 
void BT2(ll x,ll p){
    p2[x][0]=p;
    if(f[x]!=0){
        p=x;
    }
    for(int i=0;i<vf[x].size();i++){
        BT2(vf[x][i],p);
    }
    return ;
}
void T1(ll x){
    h++;
    tin1[x]=h;
    for(int i=0;i<v1[x].size();i++){
        T1(v1[x][i]);
    }
    h++;
    tout1[x]=h;
    return ;
}
 
void T2(ll x){
    h++;
    tin2[x]=h;
    for(int i=0;i<v2[x].size();i++){
        T2(v2[x][i]);
    }
    h++;
    tout2[x]=h;
    return ;
}
 
ll P1(ll x,ll y){
    if(tin1[x]>tin1[y])swap(x,y);
    if(tout1[x]>=tout1[y])return x;
    ll g=x;
    for(int i=16;i>=0;i--){
        if(g<=0)exit(1);
        if(tout1[p1[g][i]]<tout1[y])g=p1[g][i];
    }
    if(g<=0)exit(1);
    return p1[g][0];
}
 
ll P2(ll x,ll y){
    if(tin2[x]>tin2[y])swap(x,y);
    if(tout2[x]>=tout2[y])return x;
    ll g=x;
    for(int i=16;i>=0;i--){
        if(g<=0)exit(1);
        if(tout2[p2[g][i]]<tout2[y])g=p2[g][i];
    }
    if(g<=0)exit(1);
    return p2[g][0];
}
 
void S(ll x,ll tp){
    
    for(int i=0;i<v2[x].size();i++){
        w.push(v2[x][i]);
    }
    while(w.size()>0 && q1>0){
        q1--;
        if(w.size()==1){
            ll m1=w.front();
            w.pop();
            if(tp==0){
                //q--;
                //if(q<0)exit(1);
                cout<<"? "<<x<<" "<<m1<<endl;
            }else{
                ll A,B,C,D;
                cin>>A>>B>>C>>D;
                t2[m1]=D;
                ll par=P1(x,m1);
                if(par<=0)exit(1);
                if(par!=x){
                    l[x].pb({par,-A});
                    l[par].pb({x,A});
                }
                if(par!=m1){
                    l[m1].pb({par,-B});
                    l[par].pb({m1,B});
                }
            }
        }else{
            ll m1=w.front();
            w.pop();
            ll m2=w.front();
            w.pop();
            if(tp==0){
                //q--;
                //if(q<0)exit(1);
                cout<<"? "<<m1<<" "<<m2<<endl;
            }else{
                ll A,B,C,D;
                cin>>A>>B>>C>>D;
                t2[m1]=C;
                t2[m2]=D;
                ll par=P1(m1,m2);
                if(par<=0)exit(1);
                if(par!=m1){
                    l[m1].pb({par,-A});
                    l[par].pb({m1,A});
                }
                if(par!=m2){
                    l[m2].pb({par,-B});
                    l[par].pb({m2,B});
                }
            }
        }
    }
    //if(w.size()>0)exit(1);
    for(int i=0;i<v2[x].size();i++){
        S(v2[x][i],tp);
    }
    return ;
}
 
void D2(ll x,ll y){
    y+=t2[x];
    t2[x]=y;
    for(int i=0;i<v2[x].size();i++){
        D2(v2[x][i],y);
    }
    return ;
}
 
void D1(ll x,ll y){
    t1[x]=y;
    flg[x]=1;
    for(int i=0;i<l[x].size();i++){
        if(flg[l[x][i].fr]==0){
            D1(l[x][i].fr,y+l[x][i].sc);
        }
    }
    return ;
}
 
 
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin>>n>>k>>q>>t;
    q1=q;
    for(int i=1;i<=n;i++){
        cin>>p1[i][0];
        if(p1[i][0]==-1){
            par1=i;
        }else{
            v[p1[i][0]].pb(i);
        }
    }
    for(int i=1;i<=n;i++){
        cin>>p2[i][0];
        if(p2[i][0]==-1){
            par2=i;
        }else{
            vf[p2[i][0]].pb(i);
        }
    }
    h=k;
    CH(par1);
    cout<<endl;
    cout.flush();
    CH2(par2);
    BT1(par1,-1);
    BT2(par2,-1);
    for(int i=1;i<=n;i++){
        if(f[i]!=0){
            if(p1[i][0]!=-1 && p1[i][0]!=0)v1[p1[i][0]].pb(i);
            if(p2[i][0]!=-1 && p2[i][0]!=0)v2[p2[i][0]].pb(i);
        }
    }
    for(int i=1;i<=n;i++){
        if(f[i]!=0 && p2[i][0]==-1){
            par2=i;
            break;
        }
    }
    for(int i=1;i<=n;i++){
        if(p1[i][0]==-1)p1[i][0]=0;
        if(p2[i][0]==-1)p2[i][0]=0;
        if(f[i]==0){
            p1[i][0]=0;
            p2[i][0]=0;
        }
    }
    p1[par1][0]=0;
    tout1[0]=INF;
    p2[par2][0]=0;
    tout2[0]=INF;
    for(int i=1;i<=16;i++){
        for(auto j:d){
            p1[j][i]=p1[p1[j][i-1]][i-1];
            p2[j][i]=p2[p2[j][i-1]][i-1];
        }
    }
    
    h=0;
    T1(par1);
    h=0;
    T2(par2);
    
    S(par2,0);
    
    //if(q1>0)exit(1);
    cout<<"!"<<endl;
    cout.flush();
    q1=q;
    S(par2,1);
    D2(par2,0);
    D1(par1,0);
    //if(k==67604)exit(1);
 
    vector<pair<int,int> >ans;
    ans.clear();
    for(int i=1;i<=t;i++){
        ll x,y;
        cin>>x>>y;
        ll pr1=P1(x,y);
        ll pr2=P2(x,y);
        if(pr1==0 || pr2==0)exit(1);
        ans.push_back({(t1[x]+t1[y]-t1[pr1]*2),(t2[x]+t2[y]-t2[pr2]*2)});
    }
    for(int i=0;i<t;i++){
        cout<<ans[i].fr<<" "<<ans[i].sc<<endl;
    }
 
    cout.flush();
 
    return 0;
}
 
/*
 
0 7 5 12
10 0 0 1
 
*/

Compilation message

Main.cpp:1: warning: ignoring '#pragma GCC Optimize' [-Wunknown-pragmas]
    1 | #pragma GCC Optimize("O3")
      | 
Main.cpp: In function 'void CH(ll)':
Main.cpp:38:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |     for(int i=0;i<v[x].size();i++){
      |                 ~^~~~~~~~~~~~
Main.cpp: In function 'void CH2(ll)':
Main.cpp:49:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |     for(int i=0;i<vf[x].size();i++){
      |                 ~^~~~~~~~~~~~~
Main.cpp: In function 'void BT1(ll, ll)':
Main.cpp:68:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |     for(int i=0;i<v[x].size();i++){
      |                 ~^~~~~~~~~~~~
Main.cpp: In function 'void BT2(ll, ll)':
Main.cpp:79:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   79 |     for(int i=0;i<vf[x].size();i++){
      |                 ~^~~~~~~~~~~~~
Main.cpp: In function 'void T1(ll)':
Main.cpp:87:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   87 |     for(int i=0;i<v1[x].size();i++){
      |                 ~^~~~~~~~~~~~~
Main.cpp: In function 'void T2(ll)':
Main.cpp:98:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   98 |     for(int i=0;i<v2[x].size();i++){
      |                 ~^~~~~~~~~~~~~
Main.cpp: In function 'void S(ll, ll)':
Main.cpp:132:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  132 |     for(int i=0;i<v2[x].size();i++){
      |                 ~^~~~~~~~~~~~~
Main.cpp:187:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  187 |     for(int i=0;i<v2[x].size();i++){
      |                 ~^~~~~~~~~~~~~
Main.cpp: In function 'void D2(ll, ll)':
Main.cpp:196:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  196 |     for(int i=0;i<v2[x].size();i++){
      |                 ~^~~~~~~~~~~~~
Main.cpp: In function 'void D1(ll, ll)':
Main.cpp:205:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  205 |     for(int i=0;i<l[x].size();i++){
      |                 ~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1225 ms 319128 KB Output is correct
2 Correct 1220 ms 321508 KB Output is correct
3 Correct 923 ms 263444 KB Output is correct
4 Correct 867 ms 263116 KB Output is correct
5 Correct 925 ms 264924 KB Output is correct
6 Correct 1121 ms 276264 KB Output is correct
7 Correct 1105 ms 276420 KB Output is correct
8 Correct 1050 ms 275824 KB Output is correct
9 Correct 881 ms 263296 KB Output is correct
10 Correct 881 ms 264464 KB Output is correct
11 Correct 806 ms 262592 KB Output is correct
12 Correct 870 ms 264224 KB Output is correct

Subtask #2
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1191 ms 321548 KB Output is correct
2 Correct 1048 ms 317760 KB Output is correct
3 Runtime error 691 ms 254424 KB Execution killed with signal 13
4 Halted 0 ms 0 KB -

Subtask #3
0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 859 ms 302052 KB Output is correct
2 Correct 875 ms 301816 KB Output is correct
3 Runtime error 587 ms 249284 KB Execution failed because the return code was nonzero
4 Halted 0 ms 0 KB -

Subtask #4
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1803 ms 495076 KB Output is correct
2 Correct 1817 ms 495468 KB Output is correct
3 Runtime error 1216 ms 391636 KB Execution failed because the return code was nonzero
4 Halted 0 ms 0 KB -

Subtask #5
0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2141 ms 515224 KB Output is correct
2 Correct 2145 ms 514720 KB Output is correct
3 Runtime error 1267 ms 388024 KB Execution killed with signal 13
4 Halted 0 ms 0 KB -