oj.uz

Submission #771736

# Submission time Handle Problem Language Result Execution time Memory
771736 2023-07-03T08:32:25 Z CyberCow Circle selection (APIO18_circle_selection) C++17
7 / 100
 2017 ms 1048576 KB 
//#include <bits/stdc++.h>
#include <random>
#include <algorithm>
#include <bitset>
#include <chrono>
#include <cmath>
#include <deque>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>
#include <chrono>
#define fr first
#define sc second
#define ad push_back
using namespace std;
using ll = long long;
mt19937 rnd(348502);
const int N = 300005;
vector<pair<ll, pair<ll, ll>>> v;
ll color[N];
ll ans[N];

void solve()
{
    ll n, i, j, x, y, r;
    cin >> n;
    if (n <= 5000)
    {
        for (i = 0; i < n; i++)
        {
            cin >> x >> y >> r;
            v.push_back({ r, {x, y} });
        }
        ll qan = 0;
        for (i = 0; i < n; i++)
        {
            ll ma = 0;
            for (j = 0; j < n; j++)
            {
                if (color[j] == 0)
                {
                    ma = max(v[j].first, ma);
                }
            }
            for (j = 0; j < n; j++)
            {
                if (color[j] == 0 && v[j].first == ma)
                {
                    color[j] = 1;
                    ans[j] = j + 1;
                    qan++;
                    for (ll h = 0; h < n; h++)
                    {
                        if (color[h] == 0 && (v[j].second.first - v[h].second.first) * (v[j].second.first - v[h].second.first) + (v[j].second.second - v[h].second.second) * (v[j].second.second - v[h].second.second) <= (v[j].first + v[h].first) * (v[j].first + v[h].first))
                        {
                            color[h] = 1;
                            ans[h] = j + 1;
                            qan++;
                        }
                    }
                    break;
                }
            }
            if (qan == n)
                break;
        }
        for (i = 0; i < n; i++)
        {
            cout << ans[i] << ' ';
        }
    }
    else
    {
        set<pair<pair<ll, ll>, ll>> mar;
        set<pair<ll, ll>> hert;
        set<pair<ll, ll>> hert1;
        for (i = 0; i < n; i++)
        {
            cin >> x >> y >> r;
            v.push_back({ r, {x, y} });
            mar.insert({ {r, -i}, x});
            hert.insert({ x + r, i });
            hert1.insert({ x - r, i });
        }
        ll qan = 0;
        while (!mar.empty())
        {
            qan++;
            x = (--mar.end())->second;
            r = (--mar.end())->first.first;
            ll ind = -(--mar.end())->first.second;
            color[ind] = 1;
            ans[ind] = ind + 1;
            auto gn = hert.lower_bound({ x, -1 });
            vector<pair<ll, ll>> herthan1, herthan;
            while (1)
            {
                ll xx = gn->first;
                ll indind = gn->second;
                if (xx >= x- r)
                {
                    color[indind] = 1;
                    ans[indind] = ind + 1;
                    herthan.push_back({xx, indind});
                }
                else
                    break;
                if (gn == hert.begin())
                    break;
                else
                    gn--;
            }
            auto gn1 = hert1.lower_bound({ x, -1 });
            while (1)
            {
                gn1++;
                if (gn == hert1.end())
                    break;
                ll xx = gn1->first;
                ll indind = gn1->second;
                if (xx <= x + r)
                {
                    color[indind] = 1;
                    ans[indind] = ind + 1;
                    herthan1.push_back({ xx, indind });
                }
                else
                    break;
            }
            for ( i = 0; i < herthan.size(); i++)
            {
                hert.erase(herthan[i]);
                mar.erase({ {v[herthan[i].second].first, -herthan[i].second}, v[herthan[i].second].second.first});
            }
            for (i = 0; i < herthan1.size(); i++)
            {
                hert1.erase(herthan1[i]);
                mar.erase({ {v[herthan1[i].second].first, -herthan1[i].second}, v[herthan1[i].second].second.first });
            }
        }
        for ( i = 0; i < n; i++)
        {
            cout << ans[i] << ' ';
        }
    }
}


int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    ll tt = 1;
    //cin >> tt;
    while (tt--) {
        solve();
    }
    return 0;
}

Compilation message

circle_selection.cpp: In function 'void solve()':
circle_selection.cpp:139:28: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  139 |             for ( i = 0; i < herthan.size(); i++)
      |                          ~~^~~~~~~~~~~~~~~~
circle_selection.cpp:144:27: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  144 |             for (i = 0; i < herthan1.size(); i++)
      |                         ~~^~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 2 ms 660 KB Output is correct
20 Correct 2 ms 660 KB Output is correct
21 Correct 2 ms 660 KB Output is correct
22 Correct 136 ms 660 KB Output is correct
23 Correct 134 ms 664 KB Output is correct
24 Correct 135 ms 660 KB Output is correct
25 Correct 137 ms 664 KB Output is correct
26 Correct 138 ms 660 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 2017 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Runtime error 1200 ms 1048576 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Runtime error 1221 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 2 ms 660 KB Output is correct
20 Correct 2 ms 660 KB Output is correct
21 Correct 2 ms 660 KB Output is correct
22 Correct 136 ms 660 KB Output is correct
23 Correct 134 ms 664 KB Output is correct
24 Correct 135 ms 660 KB Output is correct
25 Correct 137 ms 664 KB Output is correct
26 Correct 138 ms 660 KB Output is correct
27 Runtime error 921 ms 1048576 KB Execution killed with signal 9
28 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 2 ms 660 KB Output is correct
20 Correct 2 ms 660 KB Output is correct
21 Correct 2 ms 660 KB Output is correct
22 Correct 136 ms 660 KB Output is correct
23 Correct 134 ms 664 KB Output is correct
24 Correct 135 ms 660 KB Output is correct
25 Correct 137 ms 664 KB Output is correct
26 Correct 138 ms 660 KB Output is correct
27 Runtime error 2017 ms 1048576 KB Execution killed with signal 9
28 Halted 0 ms 0 KB -