oj.uz

Submission #734836

# Submission time Handle Problem Language Result Execution time Memory
734836 2023-05-03T07:00:55 Z keisuke6 Circle selection (APIO18_circle_selection) C++14
0 / 100
 618 ms 119392 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
  int N;
  cin>>N;
  vector<int> X(N),Y(N),R(N);
  for(int i=0;i<N;i++){
    cin>>X[i]>>Y[i]>>R[i];
    X[i] += (int)(1e9)+2*R[i];
    Y[i] += (int)(1e9)+2*R[i];
  }
  vector<int> A(N,N+1);
  vector<pair<int,int>> S(N);
  for(int i=0;i<N;i++) S[i] = {R[i],N-1-i};
  sort(S.rbegin(),S.rend());
  int n = ((int)(2e18)/(2*R[0]))+10;
  map<int,set<int>> m;
  vector<int> I(N);
  for(int i=0;i<N;i++){
    m[X[i]*n+Y[i]].insert(i);
    I[i] = X[i]*n+Y[i];
  }
  for(int i=0;i<N;i++){
    int ind = N-1-S[i].second;
    if(A[ind] != N+1) continue;
    int pos = I[ind];
    for(int x:m[pos]){
      if((X[ind]-X[x])*(X[ind]-X[x])+(Y[ind]-Y[x])*(Y[ind]-Y[x]) <= (R[ind]+R[x])*(R[ind]+R[x])){
        m[pos].erase(x);
        A[x] = ind+1;
      }
    }
    for(int x:m[pos+1]){
      if((X[ind]-X[x])*(X[ind]-X[x])+(Y[ind]-Y[x])*(Y[ind]-Y[x]) <= (R[ind]+R[x])*(R[ind]+R[x])){
        m[pos+1].erase(x);
        A[x] = ind+1;
      }
    }
    for(int x:m[pos-1]){
      if((X[ind]-X[x])*(X[ind]-X[x])+(Y[ind]-Y[x])*(Y[ind]-Y[x]) <= (R[ind]+R[x])*(R[ind]+R[x])){
        m[pos-1].erase(x);
        A[x] = ind+1;
      }
    }
    for(int x:m[pos+n]){
      if((X[ind]-X[x])*(X[ind]-X[x])+(Y[ind]-Y[x])*(Y[ind]-Y[x]) <= (R[ind]+R[x])*(R[ind]+R[x])){
        m[pos+n].erase(x);
        A[x] = ind+1;
      }
    }
    for(int x:m[pos+n+1]){
      if((X[ind]-X[x])*(X[ind]-X[x])+(Y[ind]-Y[x])*(Y[ind]-Y[x]) <= (R[ind]+R[x])*(R[ind]+R[x])){
        m[pos+n+1].erase(x);
        A[x] = ind+1;
      }
    }
    for(int x:m[pos+n-1]){
      if((X[ind]-X[x])*(X[ind]-X[x])+(Y[ind]-Y[x])*(Y[ind]-Y[x]) <= (R[ind]+R[x])*(R[ind]+R[x])){
        m[pos+n-1].erase(x);
        A[x] = ind+1;
      }
    }
    for(int x:m[pos-n]){
      if((X[ind]-X[x])*(X[ind]-X[x])+(Y[ind]-Y[x])*(Y[ind]-Y[x]) <= (R[ind]+R[x])*(R[ind]+R[x])){
        m[pos-n].erase(x);
        A[x] = ind+1;
      }
    }
    for(int x:m[pos-n+1]){
      if((X[ind]-X[x])*(X[ind]-X[x])+(Y[ind]-Y[x])*(Y[ind]-Y[x]) <= (R[ind]+R[x])*(R[ind]+R[x])){
        m[pos-n+1].erase(x);
        A[x] = ind+1;
      }
    }
    for(int x:m[pos-n-1]){
      if((X[ind]-X[x])*(X[ind]-X[x])+(Y[ind]-Y[x])*(Y[ind]-Y[x]) <= (R[ind]+R[x])*(R[ind]+R[x])){
        m[pos-n-1].erase(x);
        A[x] = ind+1;
      }
    }
  }
  for(int i=0;i<N;i++) cout<<A[i]<<' ';
  cout<<endl;
}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 340 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 565 ms 119392 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 340 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Runtime error 618 ms 119356 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 340 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 340 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -