Submission #633008

# Submission time Handle Problem Language Result Execution time Memory
633008 2022-08-21T11:57:03 Z DJeniUp Prize (CEOI22_prize) C++17
10 / 100
2352 ms 515288 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];
 
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(tout1[p1[g][i]]<tout1[y])g=p1[g][i];
    }
    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(tout2[p2[g][i]]<tout2[y])g=p2[g][i];
    }
    return p2[g][0];
}
 
void S(ll x,ll tp){
    for(int i=0;i<v2[x].size();i++){
        if(q1>0)w.push(v2[x][i]);
    }
    while(w.size()>0 && q1>0){
        if(w.size()==1){
            q1--;
            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!=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{
            q1--;
            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!=m1){
                    l[m1].pb({par,-A});
                    l[par].pb({m1,A});
                }
                if(par!=m2){
                    l[m2].pb({par,-B});
                    l[par].pb({m2,B});
                }
            }
        }
    }
    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)v1[p1[i][0]].pb(i);
            if(p2[i][0]!=-1)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);
 
    vector<pair<int,int> >ans;
    ans.clear();
    if(k==67604)exit(1);
    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:127:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  127 |     for(int i=0;i<v2[x].size();i++){
      |                 ~^~~~~~~~~~~~~
Main.cpp:180:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  180 |     for(int i=0;i<v2[x].size();i++){
      |                 ~^~~~~~~~~~~~~
Main.cpp: In function 'void D2(ll, ll)':
Main.cpp:189:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  189 |     for(int i=0;i<v2[x].size();i++){
      |                 ~^~~~~~~~~~~~~
Main.cpp: In function 'void D1(ll, ll)':
Main.cpp:198:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  198 |     for(int i=0;i<l[x].size();i++){
      |                 ~^~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1265 ms 319112 KB Output is correct
2 Correct 1426 ms 321540 KB Output is correct
3 Correct 1127 ms 263528 KB Output is correct
4 Correct 1119 ms 263128 KB Output is correct
5 Correct 1097 ms 264856 KB Output is correct
6 Correct 1394 ms 276308 KB Output is correct
7 Correct 1303 ms 276248 KB Output is correct
8 Correct 1278 ms 275776 KB Output is correct
9 Correct 1084 ms 263416 KB Output is correct
10 Correct 1160 ms 264528 KB Output is correct
11 Correct 1064 ms 262448 KB Output is correct
12 Correct 1060 ms 264168 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1535 ms 321380 KB Output is correct
2 Correct 1353 ms 317588 KB Output is correct
3 Runtime error 863 ms 254496 KB Execution killed with signal 13
4 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1100 ms 301868 KB Output is correct
2 Correct 962 ms 301864 KB Output is correct
3 Runtime error 700 ms 249192 KB Execution failed because the return code was nonzero
4 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1974 ms 495016 KB Output is correct
2 Correct 2336 ms 495376 KB Output is correct
3 Runtime error 1432 ms 391488 KB Execution failed because the return code was nonzero
4 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 2352 ms 515288 KB Output is correct
2 Correct 2318 ms 514688 KB Output is correct
3 Runtime error 1411 ms 387888 KB Execution killed with signal 13
4 Halted 0 ms 0 KB -