oj.uz

Submission #218104

# Submission time Handle Problem Language Result Execution time Memory
218104 2020-04-01T08:27:17 Z TheLorax Hamburg Steak (JOI20_hamburg) C++11
15 / 100
 1316 ms 70232 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){
  //   ii y={0,1000000000};
  //   for(int i=0; i<n; i++){
  //     if(ma[i])
  //       continue;
  //   }
  //
  // }
  // if(ymi>=yma)
  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);
  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 2 ms 768 KB Output is correct
2 Correct 2 ms 768 KB Output is correct
3 Correct 3 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 3 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 3 ms 1024 KB Output is correct
3 Correct 2 ms 1024 KB Output is correct
4 Correct 2 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 3 ms 1152 KB Output is correct
3 Correct 3 ms 1152 KB Output is correct
4 Correct 2 ms 1152 KB Output is correct
5 Correct 3 ms 1152 KB Output is correct
6 Correct 3 ms 1152 KB Output is correct
7 Correct 2 ms 1152 KB Output is correct
8 Correct 3 ms 1152 KB Output is correct
9 Correct 9 ms 1176 KB Output is correct
10 Correct 4 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 19 ms 1184 KB Output is correct
14 Incorrect 23 ms 1236 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 2 ms 768 KB Output is correct
2 Correct 2 ms 768 KB Output is correct
3 Correct 3 ms 768 KB Output is correct
4 Correct 2 ms 768 KB Output is correct
5 Correct 191 ms 45216 KB Output is correct
6 Correct 195 ms 45088 KB Output is correct
7 Correct 199 ms 45128 KB Output is correct
8 Correct 193 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 3 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 222 ms 54808 KB Output is correct
6 Correct 327 ms 57608 KB Output is correct
7 Correct 220 ms 56092 KB Output is correct
8 Correct 341 ms 57712 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 3 ms 1024 KB Output is correct
3 Correct 2 ms 1024 KB Output is correct
4 Correct 2 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 216 ms 67608 KB Output is correct
14 Correct 240 ms 67740 KB Output is correct
15 Correct 216 ms 67356 KB Output is correct
16 Correct 234 ms 68724 KB Output is correct
17 Correct 247 ms 68096 KB Output is correct
18 Correct 222 ms 69016 KB Output is correct
19 Correct 241 ms 66076 KB Output is correct
20 Correct 330 ms 69404 KB Output is correct
21 Correct 1316 ms 70232 KB Output is correct
22 Correct 793 ms 70180 KB Output is correct
23 Correct 508 ms 70172 KB Output is correct
24 Correct 694 ms 70168 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 3 ms 1152 KB Output is correct
3 Correct 3 ms 1152 KB Output is correct
4 Correct 2 ms 1152 KB Output is correct
5 Correct 3 ms 1152 KB Output is correct
6 Correct 3 ms 1152 KB Output is correct
7 Correct 2 ms 1152 KB Output is correct
8 Correct 3 ms 1152 KB Output is correct
9 Correct 9 ms 1176 KB Output is correct
10 Correct 4 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 19 ms 1184 KB Output is correct
14 Incorrect 23 ms 1236 KB Output isn't correct
15 Halted 0 ms 0 KB -