oj.uz

Submission #138625

# Submission time Handle Problem Language Result Execution time Memory
138625 2019-07-30T07:40:12 Z FedericoS Circle selection (APIO18_circle_selection) C++14
12 / 100
 1701 ms 63292 KB 
#include <iostream>
#include <algorithm>
#include <vector>
#include <set>
using namespace std;
typedef long long int ll;
typedef pair<ll,ll> pll;

int N;
ll X[300005],Y[300005],R[300005];
ll A[300005],P[300005];
vector<pll> V;

ll a;
set<pll> S;

int main(){
	cin>>N;
	for(int i=0;i<N;i++){
		cin>>X[i]>>Y[i]>>R[i];
		a=max(a,Y[i]);
	}

	if(false and N<5001){
		for(int i=0;i<N;i++)
			V.push_back({-R[i],i});
		sort(V.begin(),V.end());
		for(int i=0;i<N;i++)
			P[i]=V[i].second;

		//for(int i=0;i<N;i++)cout<<P[i]+1<<" ";cout<<endl;

		for(int i=0;i<N;i++)
			for(int j=i+1;j<N;j++)
				if(
					(X[P[i]]-X[P[j]])*(X[P[i]]-X[P[j]])+
					(Y[P[i]]-Y[P[j]])*(Y[P[i]]-Y[P[j]])<=
					(R[P[i]]+R[P[j]])*(R[P[i]]+R[P[j]])
					and !A[P[j]] and !A[P[i]]
				)
					A[P[j]]=P[i]+1;

		for(int i=0;i<N;i++)
			cout<<(A[i]?A[i]:(i+1))<<" ";	}

	else if(!a){

		for(int i=0;i<N;i++)
			V.push_back({-R[i],i});
		sort(V.begin(),V.end());

		for(int i=0;i<N;i++){
			S.insert({X[i]+R[i],i});
			S.insert({X[i]-R[i],i});
			P[i]=V[i].second;
		}

		for(int j=0;j<N;j++){
			int i=P[j];
			if(S.count({X[i]-R[i],i}))
				for(auto p=S.lower_bound({X[i]-R[i],-1});p!=S.lower_bound({X[i]+R[i]+1,-1});){
					int q=p->second;
					A[q]=i+1;
					if(p==S.find({X[q]-R[q],q}))
						p++;
					S.erase(S.find({X[q]-R[q],q}));
					if(p==S.find({X[q]+R[q],q}))
						p++;
					S.erase(S.find({X[q]+R[q],q}));
				}
		}

		for(int i=0;i<N;i++)
			cout<<A[i]<<" ";

	}

}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1635 ms 56564 KB Output is correct
2 Correct 1660 ms 63160 KB Output is correct
3 Correct 1701 ms 62812 KB Output is correct
4 Correct 1700 ms 63292 KB Output is correct
5 Correct 1424 ms 60856 KB Output is correct
6 Correct 1486 ms 61040 KB Output is correct
7 Correct 1412 ms 61184 KB Output is correct
8 Correct 1463 ms 61200 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 1514 ms 56052 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -