oj.uz

Submission #741169

# Submission time Handle Problem Language Result Execution time Memory
741169 2023-05-13T17:39:22 Z speedyArda Circle selection (APIO18_circle_selection) C++14
7 / 100
 3000 ms 22264 KB 
#include "bits/stdc++.h"

using namespace std;
const int MAXN = 3e5+5;
vector< pair < pair<int, int>, pair<int, int> > > circles;
vector<int> ans(MAXN, 0);
bool cmp(pair < pair<int, int>, pair<int, int> > a, pair < pair<int, int>, pair<int, int> > b)
{
    if(a.second.first != b.second.first)
        return a.second.first > b.second.first;
    return a.second.second < b.second.second;
}
int main() 
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin >> n;
    for(int i = 0; i < n; i++)
    {
        int x, y, r;
        cin >> x >> y >> r;
        circles.push_back({{x, y}, {r, i}});
    }

    sort(circles.begin(), circles.end(), cmp);
    if(n <= 5e3)
    {
        for(int i = 0; i < n; i++)
        {
            if(ans[circles[i].second.second] != 0)
                continue;
            //cout << circles[i].second.second << "\n";
            ans[circles[i].second.second] = circles[i].second.second + 1;
            for(int a = 0; a < n; a++)
            {
                if(ans[circles[a].second.second] == 0)
                {
                    long double dist = sqrt(pow(abs(circles[i].first.first - circles[a].first.first), 2) + pow(abs(circles[i].first.second - circles[a].first.second), 2));
                    if(dist <= circles[i].second.first + circles[a].second.first)
                        ans[circles[a].second.second] = circles[i].second.second + 1;
                }
            }
        }
    } else 
    {
        multiset< pair<int, int> > elems;
        for(int i = 0; i < n; i++)
        {
            elems.insert({circles[i].first.first, circles[i].second.second});
        }
        for(int i = 0; i < n; i++)
        {
            if(ans[circles[i].second.second] != 0)
                continue;
            auto it = elems.find({circles[i].first.first,  circles[i].second.second});
            auto prev = it;
            vector<int> toerase;
            if(it != elems.begin()) {
                it--;
                while(true)
                {
                    if(circles[i].first.first - (*it).first <= circles[i].second.first  + circles[(*it).second].second.first)
                    {
                        toerase.push_back((*it).second);
                    } else
                        break;
                    if(it == elems.begin())
                        break;
                    it--;
                }
            }
            it = prev;
            while(it != elems.end())
            {
                if(abs(circles[i].first.first - (*it).first) <= circles[i].second.first  + circles[(*it).second].second.first)
                {
                    toerase.push_back((*it).second);
                } else
                    break;
                it++;
            }

            for(int e : toerase)
            {
                ans[circles[e].second.second] = circles[i].second.second + 1;
                elems.erase({circles[e].first.first,  circles[e].second.second});
            }
        }
    }

    for(int i = 0; i < n; i++)
        cout << ans[i] << " ";
    cout << "\n";
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 1 ms 1492 KB Output is correct
4 Correct 1 ms 1492 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1424 KB Output is correct
7 Correct 1 ms 1492 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 1 ms 1492 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 1 ms 1492 KB Output is correct
14 Correct 1 ms 1492 KB Output is correct
15 Correct 1 ms 1492 KB Output is correct
16 Correct 2 ms 1492 KB Output is correct
17 Correct 2 ms 1492 KB Output is correct
18 Correct 1 ms 1492 KB Output is correct
19 Correct 3 ms 1620 KB Output is correct
20 Correct 3 ms 1748 KB Output is correct
21 Correct 3 ms 1620 KB Output is correct
22 Correct 89 ms 1620 KB Output is correct
23 Correct 101 ms 1696 KB Output is correct
24 Correct 100 ms 1692 KB Output is correct
25 Correct 83 ms 1700 KB Output is correct
26 Correct 93 ms 1708 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3057 ms 22264 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Incorrect 256 ms 8144 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 354 ms 21916 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 1 ms 1492 KB Output is correct
4 Correct 1 ms 1492 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1424 KB Output is correct
7 Correct 1 ms 1492 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 1 ms 1492 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 1 ms 1492 KB Output is correct
14 Correct 1 ms 1492 KB Output is correct
15 Correct 1 ms 1492 KB Output is correct
16 Correct 2 ms 1492 KB Output is correct
17 Correct 2 ms 1492 KB Output is correct
18 Correct 1 ms 1492 KB Output is correct
19 Correct 3 ms 1620 KB Output is correct
20 Correct 3 ms 1748 KB Output is correct
21 Correct 3 ms 1620 KB Output is correct
22 Correct 89 ms 1620 KB Output is correct
23 Correct 101 ms 1696 KB Output is correct
24 Correct 100 ms 1692 KB Output is correct
25 Correct 83 ms 1700 KB Output is correct
26 Correct 93 ms 1708 KB Output is correct
27 Incorrect 9 ms 2264 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 1 ms 1492 KB Output is correct
4 Correct 1 ms 1492 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1424 KB Output is correct
7 Correct 1 ms 1492 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 1 ms 1492 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 1 ms 1492 KB Output is correct
14 Correct 1 ms 1492 KB Output is correct
15 Correct 1 ms 1492 KB Output is correct
16 Correct 2 ms 1492 KB Output is correct
17 Correct 2 ms 1492 KB Output is correct
18 Correct 1 ms 1492 KB Output is correct
19 Correct 3 ms 1620 KB Output is correct
20 Correct 3 ms 1748 KB Output is correct
21 Correct 3 ms 1620 KB Output is correct
22 Correct 89 ms 1620 KB Output is correct
23 Correct 101 ms 1696 KB Output is correct
24 Correct 100 ms 1692 KB Output is correct
25 Correct 83 ms 1700 KB Output is correct
26 Correct 93 ms 1708 KB Output is correct
27 Execution timed out 3057 ms 22264 KB Time limit exceeded
28 Halted 0 ms 0 KB -