oj.uz

Submission #982236

# Submission time Handle Problem Language Result Execution time Memory
982236 2024-05-14T04:17:27 Z Faisal_Saqib Circle selection (APIO18_circle_selection) C++17
22 / 100
 1540 ms 1048576 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int N=3e5+100;
const int SQ=222;//  333 444
vector<int> adj[N];
ll who[N];
void solve()
{
	ll n;
	cin>>n;
	vector<ll> x(n),y(n),r(n);
	for(int i=0;i<n;i++)
		cin>>x[i]>>y[i]>>r[i];
	if((n<=5000))
	{
		for(int i=0;i<n;i++)
			{
				for(int j=0;j<=i;j++)
				{
					// ( (x1-x2)*(x1-x2) + (y1-y2)*(y1-y2) ) <= (r1+r2)²
					ll dist=(r[i]+r[j])*(r[i]+r[j]);
					ll dp=( (x[i]-x[j])*(x[i]-x[j]) + (y[i]-y[j])*(y[i]-y[j]) );
					if(dp<=dist)
					{
						adj[i].push_back(j);
						adj[j].push_back(i);
					}
				}
			}
			set<pair<int,int>> rem;
			for(int i=0;i<n;i++)
				rem.insert({-r[i],i});
			while(rem.size())
			{
				auto p=*begin(rem);
				rem.erase(begin(rem));
				if(who[p.second]!=0)
					continue;
				for(auto op:adj[p.second])
					if(who[op]==0)
						who[op]=p.second+1;
			}
			for(int i=0;i<n;i++)
			{
				cout<<who[i]<<' ';
			}
			cout<<'\n';
	}
	else
	{
		
		vector<pair<ll,ll>> tp(n);
		for(int i=0;i<n;i++)
		{
			tp[i].first=x[i];
			tp[i].second=i;
		}
		sort(begin(tp),end(tp));
		for(int jp=0;jp<n;jp++)
		{
			for(int l=-SQ;l<=SQ;l++)
			{
				if((jp+l)>=0 and (jp+l)<n)
				{
					int i=tp[jp].second;
					int j=tp[jp+l].second;
					ll dist=(r[i]+r[j])*(r[i]+r[j]);
					ll dp=( (x[i]-x[j])*(x[i]-x[j]) + (y[i]-y[j])*(y[i]-y[j]) );
					if(dp<=dist)
					{
						adj[i].push_back(j);
						adj[j].push_back(i);
					}
				}
			}
		}
		for(int i=0;i<n;i++)
		{
			tp[i].first=y[i];
			tp[i].second=i;
		}
		sort(begin(tp),end(tp));
		for(int jp=0;jp<n;jp++)
		{
			for(int l=-SQ;l<=SQ;l++)
			{
				if((jp+l)>=0 and (jp+l)<n)
				{
					int i=tp[jp].second;
					int j=tp[jp+l].second;
					ll dist=(r[i]+r[j])*(r[i]+r[j]);
					ll dp=( (x[i]-x[j])*(x[i]-x[j]) + (y[i]-y[j])*(y[i]-y[j]) );
					if(dp<=dist)
					{
						adj[i].push_back(j);
						adj[j].push_back(i);
					}
				}
			}
		}
		set<pair<int,int>> rem;
		for(int i=0;i<n;i++)
			rem.insert({-r[i],i});
		while(rem.size())
		{
			auto p=*begin(rem);
			rem.erase(begin(rem));
			if(who[p.second]!=0)
				continue;
			for(auto op:adj[p.second])
				if(who[op]==0)
					who[op]=p.second+1;
		}
		for(int i=0;i<n;i++)
		{
			cout<<who[i]<<' ';
		}
		cout<<'\n';
	}
}
int main()
{
	cin.tie(0);
	cout.tie(0);
	ios::sync_with_stdio(0);
	solve();
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7516 KB Output is correct
2 Correct 2 ms 7512 KB Output is correct
3 Correct 2 ms 7512 KB Output is correct
4 Correct 2 ms 7516 KB Output is correct
5 Correct 2 ms 7516 KB Output is correct
6 Correct 2 ms 7516 KB Output is correct
7 Correct 2 ms 7516 KB Output is correct
8 Correct 2 ms 7516 KB Output is correct
9 Correct 2 ms 7516 KB Output is correct
10 Correct 2 ms 7516 KB Output is correct
11 Correct 2 ms 7572 KB Output is correct
12 Correct 2 ms 7516 KB Output is correct
13 Correct 3 ms 7768 KB Output is correct
14 Correct 2 ms 7516 KB Output is correct
15 Correct 3 ms 7516 KB Output is correct
16 Correct 9 ms 11552 KB Output is correct
17 Correct 8 ms 11352 KB Output is correct
18 Correct 7 ms 11612 KB Output is correct
19 Correct 205 ms 145100 KB Output is correct
20 Correct 210 ms 143380 KB Output is correct
21 Correct 161 ms 84816 KB Output is correct
22 Correct 27 ms 8016 KB Output is correct
23 Correct 27 ms 8024 KB Output is correct
24 Correct 28 ms 8028 KB Output is correct
25 Correct 27 ms 8064 KB Output is correct
26 Correct 27 ms 8020 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 1540 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7516 KB Output is correct
2 Correct 370 ms 20780 KB Output is correct
3 Correct 1415 ms 46960 KB Output is correct
4 Correct 1270 ms 47200 KB Output is correct
5 Correct 1323 ms 49924 KB Output is correct
6 Correct 603 ms 32080 KB Output is correct
7 Correct 316 ms 20524 KB Output is correct
8 Correct 57 ms 10076 KB Output is correct
9 Correct 1295 ms 47608 KB Output is correct
10 Correct 1290 ms 53956 KB Output is correct

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1202 ms 46868 KB Output is correct
2 Correct 1194 ms 46840 KB Output is correct
3 Incorrect 1447 ms 89660 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7516 KB Output is correct
2 Correct 2 ms 7512 KB Output is correct
3 Correct 2 ms 7512 KB Output is correct
4 Correct 2 ms 7516 KB Output is correct
5 Correct 2 ms 7516 KB Output is correct
6 Correct 2 ms 7516 KB Output is correct
7 Correct 2 ms 7516 KB Output is correct
8 Correct 2 ms 7516 KB Output is correct
9 Correct 2 ms 7516 KB Output is correct
10 Correct 2 ms 7516 KB Output is correct
11 Correct 2 ms 7572 KB Output is correct
12 Correct 2 ms 7516 KB Output is correct
13 Correct 3 ms 7768 KB Output is correct
14 Correct 2 ms 7516 KB Output is correct
15 Correct 3 ms 7516 KB Output is correct
16 Correct 9 ms 11552 KB Output is correct
17 Correct 8 ms 11352 KB Output is correct
18 Correct 7 ms 11612 KB Output is correct
19 Correct 205 ms 145100 KB Output is correct
20 Correct 210 ms 143380 KB Output is correct
21 Correct 161 ms 84816 KB Output is correct
22 Correct 27 ms 8016 KB Output is correct
23 Correct 27 ms 8024 KB Output is correct
24 Correct 28 ms 8028 KB Output is correct
25 Correct 27 ms 8064 KB Output is correct
26 Correct 27 ms 8020 KB Output is correct
27 Incorrect 128 ms 93572 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7516 KB Output is correct
2 Correct 2 ms 7512 KB Output is correct
3 Correct 2 ms 7512 KB Output is correct
4 Correct 2 ms 7516 KB Output is correct
5 Correct 2 ms 7516 KB Output is correct
6 Correct 2 ms 7516 KB Output is correct
7 Correct 2 ms 7516 KB Output is correct
8 Correct 2 ms 7516 KB Output is correct
9 Correct 2 ms 7516 KB Output is correct
10 Correct 2 ms 7516 KB Output is correct
11 Correct 2 ms 7572 KB Output is correct
12 Correct 2 ms 7516 KB Output is correct
13 Correct 3 ms 7768 KB Output is correct
14 Correct 2 ms 7516 KB Output is correct
15 Correct 3 ms 7516 KB Output is correct
16 Correct 9 ms 11552 KB Output is correct
17 Correct 8 ms 11352 KB Output is correct
18 Correct 7 ms 11612 KB Output is correct
19 Correct 205 ms 145100 KB Output is correct
20 Correct 210 ms 143380 KB Output is correct
21 Correct 161 ms 84816 KB Output is correct
22 Correct 27 ms 8016 KB Output is correct
23 Correct 27 ms 8024 KB Output is correct
24 Correct 28 ms 8028 KB Output is correct
25 Correct 27 ms 8064 KB Output is correct
26 Correct 27 ms 8020 KB Output is correct
27 Runtime error 1540 ms 1048576 KB Execution killed with signal 9
28 Halted 0 ms 0 KB -