제출 #982259

#제출 시각아이디문제언어결과실행 시간메모리
982259Jawad_Akbar_JJ원 고르기 (APIO18_circle_selection)C++17
7 / 100
232 ms7552 KiB
#include <iostream> #include <set> using namespace std; #define int long long const int N = 3e5 + 10; int x[N]; int y[N]; int r[N]; int erased[N]; int dist(int i,int j){ int xd = x[i] - x[j]; int yd = y[i] - y[j]; return xd * xd + yd * yd; } void sub1(int n){ set<pair<int,int>> s; for (int i=1;i<=n;i++) s.insert({-r[i],i}); while (s.size() > 0){ int i = (*begin(s)).second; for (int j=1;j<=n;j++) if (!erased[j] and dist(i,j) <= (r[i] + r[j]) * (r[i] + r[j])){ s.erase({-r[j],j}); erased[j] = i; } } for (int i=1;i<=n;i++) cout<<erased[i]<<' '; cout<<'\n'; exit(0); } signed main(){ int n; cin>>n; for (int i=1;i<=n;i++) cin>>x[i]>>y[i]>>r[i]; if (n <= 5000) sub1(n); } // 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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