oj.uz

Submission #289910

# Submission time Handle Problem Language Result Execution time Memory
289910 2020-09-03T08:26:48 Z 최은수(#5769) Hamburg Steak (JOI20_hamburg) C++17
15 / 100
 168 ms 10000 KB 
#include<iostream>
#include<vector>
#include<tuple>
#include<algorithm>
#define ep emplace
#define eb emplace_back
#define fi first
#define se second
#define all(x) (x).begin(),(x).end()
using namespace std;
typedef long long ll;
typedef pair<int,int>pi;
typedef pair<ll,ll>pl;
const int inf=1e9+7;
const ll INF=1e18;
inline bool check(const pair<pi,pi>&sq,const pi&p)
{
    return sq.fi.fi<=p.fi&&p.fi<=sq.fi.se&&sq.se.fi<=p.se&&p.se<=sq.se.se;
}
inline pi get1(const vector<pair<pi,pi> >&v)
{
    int xmx=-inf,ymx=-inf;
    for(auto&t:v)
        xmx=max(xmx,t.fi.fi),ymx=max(ymx,t.se.fi);
    return pi(xmx,ymx);
}
inline pair<pi,pi>get2(const vector<pair<pi,pi> >&v)
{
    int xmx=-inf,xmn=inf,ymx=-inf,ymn=inf;
    for(auto&t:v)
        xmx=max(xmx,t.fi.fi),ymx=max(ymx,t.se.fi),
        xmn=min(xmn,t.fi.se),ymn=min(ymn,t.se.se);
    pi p[4]={pi(xmx,ymx),pi(xmx,ymn),pi(xmn,ymx),pi(xmn,ymn)};
    for(int i=0;i<4;i++)
    {
        for(int j=i+1;j<4;j++)
        {
            bool f=1;
            for(auto&t:v)
            {
                if(!check(t,p[i])&&!check(t,p[j]))
                {
                    f=0;
                    break;
                }
            }
            if(f)
                return pair<pi,pi>(p[i],p[j]);
        }
    }
    return pair<pi,pi>(pi(-1,-1),pi(-1,-1));
}
tuple<pi,pi,pi>get3(const vector<pair<pi,pi> >&v)
{
    int xmx=-inf,xmn=inf,ymx=-inf,ymn=inf;
    for(auto&t:v)
        xmx=max(xmx,t.fi.fi),ymx=max(ymx,t.se.fi),
        xmn=min(xmn,t.fi.se),ymn=min(ymn,t.se.se);
    vector<pi>pv({pi(xmx,ymx),pi(xmx,ymn),pi(xmn,ymx),pi(xmn,ymn)});
    for(pi&p:pv)
    {
        vector<pair<pi,pi> >nxv;
        for(auto&t:v)
            if(!check(t,p))
                nxv.eb(t);
        auto cget=get2(nxv);
        if(cget.fi.fi!=-1)
            return tuple<pi,pi,pi>(p,cget.fi,cget.se);
    }
    return tuple<pi,pi,pi>(pi(-1,-1),pi(-1,-1),pi(-1,-1));
}
tuple<pi,pi,pi,pi>get4(const vector<pair<pi,pi> >&v)
{
    int xmx=-inf,xmn=inf,ymx=-inf,ymn=inf;
    for(auto&t:v)
        xmx=max(xmx,t.fi.fi),ymx=max(ymx,t.se.fi),
        xmn=min(xmn,t.fi.se),ymn=min(ymn,t.se.se);
    vector<pi>pv({pi(xmx,ymx),pi(xmx,ymn),pi(xmn,ymx),pi(xmn,ymn)});
    for(pi&p:pv)
    {
        vector<pair<pi,pi> >nxv;
        for(auto&t:v)
            if(!check(t,p))
                nxv.eb(t);
        auto cget=get3(nxv);
        if(get<0>(cget).fi!=-1)
            return tuple<pi,pi,pi,pi>(p,get<0>(cget),get<1>(cget),get<2>(cget));
    }
    return tuple<pi,pi,pi,pi>(pi(-1,-1),pi(-1,-1),pi(-1,-1),pi(-1,-1));
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n,k;
    cin>>n>>k;
    vector<pair<pi,pi> >v(n);
    for(auto&t:v)
        cin>>t.fi.fi>>t.se.fi>>t.fi.se>>t.se.se;
    if(k==1)
    {
        pi ans=get1(v);
        cout<<ans.fi<<' '<<ans.se<<endl;
        return 0;
    }
    if(k==2)
    {
        auto ans=get2(v);
        cout<<ans.fi.fi<<' '<<ans.fi.se<<' '<<ans.se.fi<<' '<<ans.se.se<<endl;
        return 0;
    }
    if(k==3)
    {
        auto ans=get3(v);
        cout<<get<0>(ans).fi<<' '<<get<0>(ans).se<<endl;
        cout<<get<1>(ans).fi<<' '<<get<1>(ans).se<<endl;
        cout<<get<2>(ans).fi<<' '<<get<2>(ans).se<<endl;
        return 0;
    }
    {
        auto ans=get4(v);
        if(get<0>(ans).fi!=-1)
        {
            cout<<get<0>(ans).fi<<' '<<get<0>(ans).se<<endl;
            cout<<get<1>(ans).fi<<' '<<get<1>(ans).se<<endl;
            cout<<get<2>(ans).fi<<' '<<get<2>(ans).se<<endl;
            cout<<get<3>(ans).fi<<' '<<get<3>(ans).se<<endl;
            return 0;
        }
    }
    int xmx=-inf,xmn=inf,ymx=-inf,ymn=inf;
    for(auto&t:v)
        xmx=max(xmx,t.fi.fi),ymx=max(ymx,t.se.fi),
        xmn=min(xmn,t.fi.se),ymn=min(ymn,t.se.se);
    for(auto&t:v)
    {
        if(t.fi.fi<=xmn)
        {
            pi p(xmn,t.se.fi);
            vector<pair<pi,pi> >nxv;
            for(auto&t:v)
                if(!check(t,p))
                    nxv.eb(t);
            auto ans=get3(nxv);
            if(get<0>(ans).fi!=-1)
            {
                cout<<p.fi<<' '<<p.se<<endl;
                cout<<get<0>(ans).fi<<' '<<get<0>(ans).se<<endl;
                cout<<get<1>(ans).fi<<' '<<get<1>(ans).se<<endl;
                cout<<get<2>(ans).fi<<' '<<get<2>(ans).se<<endl;
            }
        }
    }
    return 0;
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct

Subtask #2
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct

Subtask #3
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct

Subtask #4
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 147 ms 492 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Incorrect 168 ms 504 KB Extra information in the output file
18 Halted 0 ms 0 KB -

Subtask #5
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 118 ms 3524 KB Output is correct
6 Correct 97 ms 3456 KB Output is correct
7 Correct 93 ms 3456 KB Output is correct
8 Correct 94 ms 3576 KB Output is correct

Subtask #6
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 100 ms 3456 KB Output is correct
6 Correct 92 ms 3520 KB Output is correct
7 Correct 91 ms 3456 KB Output is correct
8 Correct 98 ms 3536 KB Output is correct

Subtask #7
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 100 ms 5696 KB Output is correct
14 Correct 99 ms 5696 KB Output is correct
15 Correct 100 ms 5616 KB Output is correct
16 Correct 98 ms 5616 KB Output is correct
17 Correct 96 ms 5616 KB Output is correct
18 Correct 108 ms 4680 KB Output is correct
19 Correct 106 ms 7736 KB Output is correct
20 Correct 123 ms 10000 KB Output is correct
21 Correct 108 ms 7660 KB Output is correct
22 Correct 107 ms 7744 KB Output is correct
23 Correct 132 ms 7660 KB Output is correct
24 Correct 107 ms 7660 KB Output is correct

Subtask #8
0 / 79.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 147 ms 492 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Incorrect 168 ms 504 KB Extra information in the output file
18 Halted 0 ms 0 KB -