Submission #698876

#TimeUsernameProblemLanguageResultExecution timeMemory
698876DodoCircle selection (APIO18_circle_selection)C++14
7 / 100
3099 ms15476 KiB
#include "bits/stdc++.h"
#define ll long long
#define pb push_back
#define endl '\n'

using namespace std;
ll dis(pair<ll,ll>p1,pair<ll,ll>p2)
{
  ll a=(p1.first-p2.first) , b=(p1.second-p2.second);
  return (a*a)+(b*b);
}
bool sorting (pair<ll,ll>a,pair<ll,ll>b)
{
  if(a.first!=b.first)
    return (a.first>b.first);
  return (a.second<b.second);
}

signed main () {
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);

    ll n;
    cin>>n;
    vector<pair<ll,ll>>v,c;

    for(int i=0;i<n;i++)
    {
      ll x,y,r;
      cin>>x>>y>>r;
      c.pb({x,y});
      v.pb({r,i});
    }
    sort(v.begin(),v.end(),sorting);
    ll ans[n]={};
    for(int i=0;i<n;i++)
    {
      if(ans[v[i].second])continue;
      for(int j=i;j<n;j++)
      {
        if(ans[v[j].second])continue;

        if(dis(c[v[i].second],c[v[j].second])<=((v[i].first+v[j].first)*(v[i].first+v[j].first)) )
          ans[v[j].second]=v[i].second+1;
      }
    }
    for(int i=0;i<n;i++)
      cout<<ans[i]<<' ';
    return 0;
}
/*
11
9 9 2
13 2 1
11 8 2
3 3 2
3 12 1
12 14 1
9 8 5
2 8 2
5 2 1
14 4 2
14 14 1
*/
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