oj.uz

Submission #496386

# Submission time Handle Problem Language Result Execution time Memory
496386 2021-12-21T06:44:00 Z asandikci Slagalica (COCI19_slagalica2) C++17
70 / 70
 63 ms 6772 KB 
#include"iostream"
#include"vector"
// #include"queue"
// #include"deque"
#include"set"
// #include"map"
#include"algorithm"
// #include"iomanip"
// #include"cstring"
// #include"cmath"
// #include"bitset"
#define int long long
using namespace std;  

const int INF=1e9;
const int maxn=1e5;
int sbmp=0,ebmp=0;
set<int> st[7];

bool check(int a,int b,int c,int d){
  if(a<0 || b<0 || c<0 || d<0){return 0;}
  if(a==0 && b==0 && c==0 && d==0){return 1;}
  // cout << a << " " << b << " " << c <<" " << d << "\n"; 
  if(sbmp==1 && ebmp==0){
    // cout << "asd?";
    if(a==d){
      if(a==0 && b!=0){
        return 0;
      }
      else{
        return 1;
      }
    }
    return 0;
  }
  if(sbmp==0 && ebmp==1){
    // cout << a << " " << b << " " << c <<" " << d << "\n"; 
    if(a==d){
      if(a==0 && c!=0){
        return 0;
      }
      else{
        return 1;
      }
    }
    return 0;
  }
  if(sbmp==1 && ebmp==1){
    if(a==d-1){
      return 1;
    }
    return 0;
  }
  if(sbmp==0 && ebmp==0){
    // cout << a << " " << b << " " << c <<" " << d << "\n"; 
    if(d==a-1){
      return 1;
    }
    return 0;
  }
  // cout << "wha?";
  return 0;
}



void solve(){
  int n,a,b;
  cin >> n;

  pair<int,int> start,end;
  for(int i=0;i<n;i++){
    cin >> a >> b;
    if(a<=4)
    st[a].insert(b);
    else if(a<=6)
    start={a,b};
    else if(a<=8)
    end={a,b};
  }
  // for(int i=0;i<5;i++){
  //   cout << st[i].size() << "\n";
  // }
  
  if(start.first==5){
    sbmp=1;
  }
  if(end.first==7){
    ebmp=1;
  }
  vector<int> ans;
  // sbmp ve ebmp ve check fonksiyonunda öncelik karışması var 
  // o anda olduğun yerden itibaren kontrol edeceksin
  
  for(int i=1;i<n-1;i++){
    int mini=INF;
    int mininum=0;
    if(sbmp==0){
      sbmp=1;
      if(check(st[1].size()-1,st[2].size(),st[3].size(),st[4].size())){
        // cout << ".1\n";
        if(mini>*st[1].begin()){
          mininum=1;
        }
        mini = min(mini,*(st[1].begin()));
      }
      sbmp=0;
    }
    if(sbmp==0){
      sbmp=0;
      if(check(st[1].size(),st[2].size()-1,st[3].size(),st[4].size())){
        // cout << ".2\n";
        if(mini>*st[2].begin()){
          mininum=2;
        }
        mini = min(mini,*(st[2].begin()));
      }
      sbmp=0;
    }
    if(sbmp==1){
      sbmp=1;
      if(check(st[1].size(),st[2].size(),st[3].size()-1,st[4].size())){
        // cout << ".3\n";
        if(mini>*st[3].begin()){
          mininum=3;
        }
        mini = min(mini,*(st[3].begin()));
      }
      sbmp=1;
    }
    if(sbmp==1){
      sbmp=0;
      // cout << st[4].size() << "--\n";
      if(check(st[1].size(),st[2].size(),st[3].size(),st[4].size()-1)){
        // cout << ".4\n";
        if(mini>*st[4].begin()){
          mininum=4;
        }
        mini = min(mini,*(st[4].begin()));
      }
      sbmp=1;
    }
    // cout << mininum << "<->" << mini << "\n\n";
    ans.push_back(mini);
    if(mini==INF){cout << "-1";return;}
    if(mininum==1 || mininum==3){sbmp=1;}
    if(mininum==2 || mininum==4){sbmp=0;}
    st[mininum].erase(*(st[mininum].begin()));
    // cout << "\n";
  }
  cout << start.second << " ";
  for(auto it : ans){
    cout << it << " ";
  }
  cout << end.second << " ";
  // for(int i=0;i<5;i++){
  //   cout << st[i].size() << "\n";
  // }




}

signed main(){
  ios::sync_with_stdio(false); cin.tie(0);
  // freopen("","r",stdin);freopen("","w",stdout);
  int t=1;
  // cin >> t;
  for(int i=1;i<=t;i++){
    // cout << "Case " << i << ":\n";
    solve();
    // cout <<"\n\n";
  }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 6008 KB Output is correct
2 Correct 36 ms 4676 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 5868 KB Output is correct
2 Correct 33 ms 4388 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 5076 KB Output is correct
2 Correct 53 ms 6116 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 4192 KB Output is correct
2 Correct 43 ms 5728 KB Output is correct
3 Correct 54 ms 6772 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 5948 KB Output is correct
2 Correct 40 ms 4628 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 5880 KB Output is correct
2 Correct 38 ms 4676 KB Output is correct
3 Correct 51 ms 6440 KB Output is correct

Subtask #9
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 4312 KB Output is correct
2 Correct 44 ms 5820 KB Output is correct

Subtask #10
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 6732 KB Output is correct
2 Correct 34 ms 5168 KB Output is correct

Subtask #11
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 5668 KB Output is correct
2 Correct 34 ms 5344 KB Output is correct

Subtask #12
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 6756 KB Output is correct
2 Correct 39 ms 5820 KB Output is correct

Subtask #13
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 5620 KB Output is correct
2 Correct 39 ms 5412 KB Output is correct

Subtask #14
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 5708 KB Output is correct
2 Correct 40 ms 5624 KB Output is correct