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Submission #217777

# Submission time Handle Problem Language Result Execution time Memory
217777 2020-03-30T17:48:07 Z Vimmer Circle selection (APIO18_circle_selection) C++14
7 / 100
 3000 ms 66652 KB 
#include <bits/stdc++.h>

#define F first
#define S second
#define sz(x) int(x.size())
#define pb push_back
#define N 300005
#define M ll(998244353)

using namespace std;

typedef long double ld;
typedef long long ll;
typedef short int si;


int ans[N];

set <pair <int, int> > se, sl, sr;

bool cmp(pair <int, int> x, pair <int, int> y)
{
    if (x.F != y.F) return x.F > y.F;

    return x.S < y.S;
}
int main()
{
    ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    int n;

    cin >> n;

    for (int i = 0; i < n; i++) ans[i] = -1;

    ld x[n], y[n], r[n];

    bool f = 1;

    for (int i = 0; i < n; i++) {int X, Y, R; cin >> X >> Y >> R; if (Y != 0) f = 0; x[i] = X; y[i] = Y; r[i] = R;}

    if (f)
    {
        vector <pair <int, int> > vr; vr.clear();

        for (int i = 0; i < n; i++) {vr.pb({r[i], i}); se.insert({x[i], i}); sl.insert({x[i] - r[i], i}); sr.insert({x[i] + r[i], i});}

        sort(vr.begin(), vr.end(), cmp);

        int j = 0;

        while (j < sz(vr))
        {
            pair <int, int> pt = vr[j];

            j++;

            if (ans[pt.S] != -1) continue;

            auto it = sl.upper_bound({x[pt.S] + r[pt.S], -1e9});

            vector <int> del; del.clear();

            if (it != sl.begin())
            {
                it--;

                while (it != sl.begin())
                {
                    if ((*it).F < x[pt.S] - r[pt.S]) break;

                    del.pb((*it).S);

                    it--;
                }
            }
            auto itr = sr.lower_bound({x[pt.S] - r[pt.S], -1e9});

            while (itr != sr.end())
            {
                if ((*itr).F > x[pt.S] + r[pt.S]) break;

                del.pb((*itr).S);

                itr++;
            }

            auto itp = se.lower_bound({x[pt.S] - r[pt.S], -1e9});

            while (itp != se.end())
            {
                if ((*itp).F > x[pt.S] + r[pt.S]) break;

                del.pb((*itp).S);

                itp++;
            }

            for (auto it : del)
            {
                ans[it] = pt.S + 1;

                sl.erase({x[it] - r[it], it});

                se.erase({x[it], it});

                sr.erase({x[it] + r[it], it});
            }
        }

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

        exit(0);
    }

    int s = n;

    while (s > 0)
    {
        int nm = -1;

        for (int i = 0; i < n; i++)
        {
            if (ans[i] != -1) continue;

            if (nm == -1 || r[nm] < r[i]) nm = i;
        }

        for (int i = 0; i < n; i++)
        {
            if (ans[i] != -1) continue;

            ld rst = sqrt(pow(abs(x[nm] - x[i]), 2) + pow(abs(y[nm] - y[i]), 2));

            if (r[nm] + r[i] >= rst) {ans[i] = nm + 1; s--;}
        }
    }

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

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 6 ms 384 KB Output is correct
18 Correct 6 ms 384 KB Output is correct
19 Correct 8 ms 640 KB Output is correct
20 Correct 8 ms 640 KB Output is correct
21 Correct 7 ms 640 KB Output is correct
22 Correct 303 ms 640 KB Output is correct
23 Correct 309 ms 640 KB Output is correct
24 Correct 305 ms 760 KB Output is correct
25 Correct 311 ms 640 KB Output is correct
26 Correct 309 ms 640 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1841 ms 66420 KB Output is correct
2 Correct 1750 ms 63908 KB Output is correct
3 Correct 1758 ms 66652 KB Output is correct
4 Correct 1853 ms 66636 KB Output is correct
5 Incorrect 1209 ms 62236 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Execution timed out 3075 ms 5368 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3070 ms 15608 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 6 ms 384 KB Output is correct
18 Correct 6 ms 384 KB Output is correct
19 Correct 8 ms 640 KB Output is correct
20 Correct 8 ms 640 KB Output is correct
21 Correct 7 ms 640 KB Output is correct
22 Correct 303 ms 640 KB Output is correct
23 Correct 309 ms 640 KB Output is correct
24 Correct 305 ms 760 KB Output is correct
25 Correct 311 ms 640 KB Output is correct
26 Correct 309 ms 640 KB Output is correct
27 Correct 11 ms 896 KB Output is correct
28 Correct 10 ms 896 KB Output is correct
29 Correct 10 ms 896 KB Output is correct
30 Correct 1294 ms 896 KB Output is correct
31 Correct 1310 ms 1016 KB Output is correct
32 Correct 1275 ms 1016 KB Output is correct
33 Correct 61 ms 6008 KB Output is correct
34 Correct 59 ms 6008 KB Output is correct
35 Correct 69 ms 6008 KB Output is correct
36 Execution timed out 3085 ms 5368 KB Time limit exceeded
37 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 6 ms 384 KB Output is correct
18 Correct 6 ms 384 KB Output is correct
19 Correct 8 ms 640 KB Output is correct
20 Correct 8 ms 640 KB Output is correct
21 Correct 7 ms 640 KB Output is correct
22 Correct 303 ms 640 KB Output is correct
23 Correct 309 ms 640 KB Output is correct
24 Correct 305 ms 760 KB Output is correct
25 Correct 311 ms 640 KB Output is correct
26 Correct 309 ms 640 KB Output is correct
27 Correct 1841 ms 66420 KB Output is correct
28 Correct 1750 ms 63908 KB Output is correct
29 Correct 1758 ms 66652 KB Output is correct
30 Correct 1853 ms 66636 KB Output is correct
31 Incorrect 1209 ms 62236 KB Output isn't correct
32 Halted 0 ms 0 KB -