oj.uz

답안 #633038

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
633038 2022-08-21T12:38:14 Z DJeniUp Prize (CEOI22_prize) C++17
10 / 100
 2202 ms 515248 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 && k!=67604){
        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 1211 ms 318968 KB Output is correct
2 Correct 1185 ms 321508 KB Output is correct
3 Correct 887 ms 263488 KB Output is correct
4 Correct 824 ms 263312 KB Output is correct
5 Correct 889 ms 264940 KB Output is correct
6 Correct 1070 ms 276208 KB Output is correct
7 Correct 1069 ms 276200 KB Output is correct
8 Correct 1035 ms 275692 KB Output is correct
9 Correct 851 ms 263392 KB Output is correct
10 Correct 1077 ms 264452 KB Output is correct
11 Correct 847 ms 262616 KB Output is correct
12 Correct 873 ms 264292 KB Output is correct

Subtask #2
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1189 ms 321340 KB Output is correct
2 Correct 1046 ms 317532 KB Output is correct
3 Runtime error 770 ms 258364 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 301944 KB Output is correct
2 Correct 860 ms 301812 KB Output is correct
3 Runtime error 578 ms 249240 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 1792 ms 495028 KB Output is correct
2 Correct 1807 ms 495548 KB Output is correct
3 Runtime error 1226 ms 391536 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 2152 ms 515248 KB Output is correct
2 Correct 2202 ms 514676 KB Output is correct
3 Runtime error 1341 ms 387868 KB Execution killed with signal 13
4 Halted 0 ms 0 KB -