제출 #698703

#제출 시각아이디문제언어결과실행 시간메모리
698703vjudge1원 고르기 (APIO18_circle_selection)C++17
7 / 100
3059 ms11988 KiB
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define int long long
#define endl "\n"
int mod=1e9+7;
const int N=1e5+5;
template<class x>
using ordered_multiset = tree<x, null_type,less_equal<x>, rb_tree_tag,tree_order_statistics_node_update>;

signed main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    //freopen(".in", "r", stdin); freopen(".out", "w", stdout);

    int n; cin>>n;
    pair<int,pair<pair<int,int >,int> > v[n];
    for (int i=0;i<n;i++) {
      cin>>v[i].second.first.first>>v[i].second.first.second>>v[i].first;
      v[i].first*=-1; v[i].second.second=i;
    }
    sort(v,v+n);

    int ans[n];
    for (int i=0;i<n;i++) ans[i]=-1;

    for (int i=0;i<n;i++) {
      for (int j=i+1;j<n;j++) {
        int indx1=v[i].second.second,indx2=v[j].second.second;
        int r1=v[i].first,r2=v[j].first;
        int x1=v[i].second.first.first,x2=v[j].second.first.first;
        int y1=v[i].second.first.second,y2=v[j].second.first.second;

        if (ans[indx1]!=-1 || ans[indx2]!=-1) continue;

        int dfx=x1-x2,dfy=y1-y2;
        dfx*=dfx; dfy*=dfy;
        int dfr=r1+r2; dfr*=dfr;
        if (dfr>=dfx+dfy) ans[indx2]=indx1+1;
      }
    }

    for (int i=0;i<n;i++) {
      if (ans[i]==-1) ans[i]=i+1;
      cout<<ans[i]<<' ';
    }
}
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