oj.uz

Submission #218112

# Submission time Handle Problem Language Result Execution time Memory
218112 2020-04-01T08:38:19 Z TheLorax Hamburg Steak (JOI20_hamburg) C++11
15 / 100
 1345 ms 70172 KB 
#include <bits/stdc++.h>

//#pragma GCC optimize ("O3")
//#pragma GCC optimize ("Ofast")

#define F first
#define S second
#define MT make_tuple
#define MP make_pair
#define SZ(a) ((int)(a).size())
#define PB push_back
#define LBS 20
#define MOD ((long long)1e9+7) //1e9+9
#define LEFT(i) (2*(i))
#define RIGHT(i) (2*(i)+1)
#define PAR(i) ((i)/2)
#define ALL(a) (a).begin(), (a).end()
#define END(s) {cout << s;return;}

using namespace std;

typedef long long ll;
typedef double rat;
typedef long long bi;
typedef pair<ll, ll> ii;
typedef std::vector<ii> vii;
typedef std::map<ll, ll> mii;
typedef bitset<LBS> bis;
typedef std::vector<bis> vbs;
typedef priority_queue<ii, std::vector<ii>, greater<ii> > minpq;
typedef priority_queue<ii, std::vector<ii>, less<ii> > maxpq;
typedef priority_queue<ii> pq;
struct ham{
  ll l, d, r, u;
};

template<class T>
void in(T &a){
  for(auto &x: a)
    cin >> x;
}

template<class T>
void out(T &a, string sep=" "){
  for(auto x: a)
    cout << x<<sep;
  cout << '\n';
}

template<class T>
void err(T &a, string sep=" "){
  for(auto x: a)
    cerr << x <<sep;
  cerr << '\n';
}

std::vector<ham> h;
std::vector<int> ma;
std::vector<ii> ou;
int n, k;

void end(){
  for(auto &x: ou)
    cout << x.F<<" "<<x.S<<"\n";
  exit(0);
}

template<class T>
void pop(T &pq){
  while (!pq.empty() && ma[pq.top().S])
    pq.pop();
  if(pq.empty())
    end();
}

void rek(minpq pqxi, maxpq pqxa, minpq pqyi, maxpq pqya, int idx=0){
  pop(pqxi);
  pop(pqxa);
  pop(pqyi);
  pop(pqya);
  if(idx==k)
    return;
  ll xmi=pqxi.top().F;
  ll xma=pqxa.top().F;
  ll ymi=pqyi.top().F;
  ll yma=pqya.top().F;
  if(xmi>=xma || ymi>=yma){
    ou[idx]={xmi,ymi};
    for(int i=0; i<n; i++)
      if(h[i].l<=xmi && xmi<=h[i].r && h[i].d<=ymi && ymi<=h[i].u)
        ma[i]++;
    rek(pqxi, pqxa, pqyi, pqya, idx+1);
    for(int i=0; i<n; i++)
      if(h[i].l<=xmi && xmi<=h[i].r && h[i].d<=ymi && ymi<=h[i].u)
        ma[i]--;

  }
  for(auto &c: {MP(xmi,ymi),MP(xmi,yma),MP(xma,ymi),MP(xma,yma)}){
    // std::cerr << c.F<<" "<<c.S << '\n';
    ou[idx]=c;
    for(int i=0; i<n; i++)
      if(h[i].l<=c.F && c.F<=h[i].r && h[i].d<=c.S && c.S<=h[i].u)
        ma[i]++;
    rek(pqxi, pqxa, pqyi, pqya, idx+1);
    for(int i=0; i<n; i++)
      if(h[i].l<=c.F && c.F<=h[i].r && h[i].d<=c.S && c.S<=h[i].u)
        ma[i]--;
  }
  if(idx==0 && k==4){
    // cerr << xma << " "<<yma<<" "<<xmi<<" "<<ymi<<"\n";
    ii vxa={0,1000000000}, vxi={0,1000000000}, vya={0,1000000000}, vyi={0,1000000000};
    for(int i=0; i<n; i++){
      if(ma[i])
        continue;
      if(h[i].l<=xma && h[i].r>=xma){
        vxa.F=max(vxa.F,h[i].d);
        vxa.S=min(vxa.S,h[i].u);
      } else if(h[i].r>=xmi && h[i].l<=xmi){
        vxi.F=max(vxi.F,h[i].d);
        vxi.S=min(vxi.S,h[i].u);
      } else if(h[i].d<=yma && h[i].u>=yma){
        vya.F=max(vya.F,h[i].l);
        vya.S=min(vya.S,h[i].r);
      } else if(h[i].u>=ymi && h[i].d<=ymi){
        vyi.F=max(vyi.F,h[i].l);
        vyi.S=min(vyi.S,h[i].r);
      }
    }
    ou[0]=MP(xma,vxa.F);
    ou[1]=MP(xmi,vxi.F);
    ou[2]=MP(vya.F, yma);
    ou[3]=MP(vyi.F, ymi);
    end();
  }
}

int main(){
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cin >> n >> k;
  minpq pqxi, pqyi;
  maxpq pqxa, pqya;
  h.resize(n);
  ou.resize(k,{1,1});
  ma.resize(n,0);
  for(int i=0; i<n; i++){
    cin >> h[i].l>>h[i].d>>h[i].r>>h[i].u;
    pqxi.emplace(h[i].r,i);
    pqxa.emplace(h[i].l,i);
    pqyi.emplace(h[i].u,i);
    pqya.emplace(h[i].d,i);
  }
  rek(pqxi, pqxa, pqyi, pqya);
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 744 KB Output is correct
2 Correct 2 ms 768 KB Output is correct
3 Correct 2 ms 768 KB Output is correct
4 Correct 2 ms 768 KB Output is correct

Subtask #2
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 896 KB Output is correct
2 Correct 4 ms 900 KB Output is correct
3 Correct 2 ms 896 KB Output is correct
4 Correct 3 ms 912 KB Output is correct

Subtask #3
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1024 KB Output is correct
2 Correct 2 ms 1024 KB Output is correct
3 Correct 2 ms 1024 KB Output is correct
4 Correct 3 ms 1024 KB Output is correct
5 Correct 2 ms 1024 KB Output is correct
6 Correct 3 ms 1024 KB Output is correct
7 Correct 2 ms 1024 KB Output is correct
8 Correct 3 ms 1048 KB Output is correct
9 Correct 7 ms 1112 KB Output is correct
10 Correct 6 ms 1100 KB Output is correct
11 Correct 4 ms 1036 KB Output is correct
12 Correct 4 ms 1080 KB Output is correct

Subtask #4
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1152 KB Output is correct
2 Correct 2 ms 1152 KB Output is correct
3 Correct 3 ms 1152 KB Output is correct
4 Correct 3 ms 1152 KB Output is correct
5 Correct 2 ms 1152 KB Output is correct
6 Correct 3 ms 1152 KB Output is correct
7 Correct 3 ms 1152 KB Output is correct
8 Correct 3 ms 1152 KB Output is correct
9 Correct 7 ms 1156 KB Output is correct
10 Correct 5 ms 1200 KB Output is correct
11 Correct 4 ms 1184 KB Output is correct
12 Correct 3 ms 1164 KB Output is correct
13 Correct 25 ms 1184 KB Output is correct
14 Incorrect 19 ms 1240 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #5
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 744 KB Output is correct
2 Correct 2 ms 768 KB Output is correct
3 Correct 2 ms 768 KB Output is correct
4 Correct 2 ms 768 KB Output is correct
5 Correct 199 ms 45088 KB Output is correct
6 Correct 229 ms 45176 KB Output is correct
7 Correct 228 ms 45088 KB Output is correct
8 Correct 228 ms 45084 KB Output is correct

Subtask #6
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 896 KB Output is correct
2 Correct 4 ms 900 KB Output is correct
3 Correct 2 ms 896 KB Output is correct
4 Correct 3 ms 912 KB Output is correct
5 Correct 259 ms 54808 KB Output is correct
6 Correct 331 ms 57592 KB Output is correct
7 Correct 243 ms 56060 KB Output is correct
8 Correct 444 ms 57752 KB Output is correct

Subtask #7
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1024 KB Output is correct
2 Correct 2 ms 1024 KB Output is correct
3 Correct 2 ms 1024 KB Output is correct
4 Correct 3 ms 1024 KB Output is correct
5 Correct 2 ms 1024 KB Output is correct
6 Correct 3 ms 1024 KB Output is correct
7 Correct 2 ms 1024 KB Output is correct
8 Correct 3 ms 1048 KB Output is correct
9 Correct 7 ms 1112 KB Output is correct
10 Correct 6 ms 1100 KB Output is correct
11 Correct 4 ms 1036 KB Output is correct
12 Correct 4 ms 1080 KB Output is correct
13 Correct 237 ms 67680 KB Output is correct
14 Correct 239 ms 67740 KB Output is correct
15 Correct 232 ms 67352 KB Output is correct
16 Correct 230 ms 68672 KB Output is correct
17 Correct 254 ms 68192 KB Output is correct
18 Correct 226 ms 69080 KB Output is correct
19 Correct 239 ms 66084 KB Output is correct
20 Correct 334 ms 69408 KB Output is correct
21 Correct 1345 ms 70156 KB Output is correct
22 Correct 800 ms 70168 KB Output is correct
23 Correct 594 ms 70172 KB Output is correct
24 Correct 812 ms 70140 KB Output is correct

Subtask #8
0 / 79.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1152 KB Output is correct
2 Correct 2 ms 1152 KB Output is correct
3 Correct 3 ms 1152 KB Output is correct
4 Correct 3 ms 1152 KB Output is correct
5 Correct 2 ms 1152 KB Output is correct
6 Correct 3 ms 1152 KB Output is correct
7 Correct 3 ms 1152 KB Output is correct
8 Correct 3 ms 1152 KB Output is correct
9 Correct 7 ms 1156 KB Output is correct
10 Correct 5 ms 1200 KB Output is correct
11 Correct 4 ms 1184 KB Output is correct
12 Correct 3 ms 1164 KB Output is correct
13 Correct 25 ms 1184 KB Output is correct
14 Incorrect 19 ms 1240 KB Output isn't correct
15 Halted 0 ms 0 KB -