Submission #124229

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
124229	2019-07-02T20:10:02 Z	tutis	Circle selection (APIO18_circle_selection)	C++17	87 / 100	3000 ms	45668 KB

circle_selection

/*input
11
9 9 2
13 2 1
11 8 2
3 3 2
3 12 1
12 14 1
9 8 5
2 8 2
5 2 1
14 4 2
14 14 1
*/
#pragma GCC optimize ("O3")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef long double ld;
ll h(ll x, ll y)
{
	ll ret = x + 157674864 * y;
	ret %= 300000;
	if (ret < 0)
		ret += 300000;
	return ret;
}
list<int>xx[300000];
int main()
{
	ios_base::sync_with_stdio(false);
	ll n;
	cin >> n;
	ll x[n], y[n], r[n];
	for (ll i = 0; i < n; i++)
	{
		cin >> x[i] >> y[i] >> r[i];
		x[i] += ll(1e9) + 1568;
		y[i] += ll(1e9) + 489484;
	}
	ll a[n];
	iota(a, a + n, 0);
	sort(a, a + n, [&](ll x, ll y) {
		if (r[x] != r[y])
			return r[x] > r[y];
		else
			return x < y;
	});
	ll ans[n];
	fill_n(ans, n, -1);
	ll g = (1 << 30);
	list<ll>liko;
	list<ll>::iterator itas[n];
	for (ll i = 0; i < n; i++)
	{
		liko.push_back(i);
		itas[i] = (--liko.end());
	}
	for (int i = 0; i < 300000; i++)
		xx[i].clear();
	for (ll i = 0; i < n; i++)
	{
		xx[ h(x[i] / g, y[i] / g)].push_back(i);
	}
	for (ll i = 0; i < n; i++)
	{
		if (ans[a[i]] != -1)
			continue;
		while (g >= r[a[i]] * 2)
		{
			g /= 2;
			for (int c = 0; c < 300000; c++)
				xx[c].clear();
			for (ll i : liko)
			{
				xx[h(x[i] / g, y[i] / g)].push_back(i);
			}
		}
		ll aa = x[a[i]] / g;
		ll bb = y[a[i]] / g;
		for (ll dx = -2; dx <= 2; dx++)
		{
			for (ll dy = -2; dy <= 2; dy++)
			{
				list<int>&kvad = xx[h(aa + dx, bb + dy)];
				for (auto it = kvad.begin(); it != kvad.end();)
				{
					ll j = *it;
					if ((x[a[i]] - x[j]) * (x[a[i]] - x[j]) +
					        (y[a[i]] - y[j]) * (y[a[i]] - y[j]) <=
					        (r[a[i]] + r[j]) * (r[a[i]] + r[j]))
					{
						ans[j] = a[i];
						liko.erase(itas[j]);
						it = kvad.erase(it);
					}
					else
						it++;
				}
			}
		}
	}
	for (ll i = 0; i < n; i++)
		cout << ans[i] + 1 << " ";
	cout << "\n";
}

Subtask #1

7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	14 ms	7416 KB	Output is correct
2	Correct	13 ms	7416 KB	Output is correct
3	Correct	13 ms	7416 KB	Output is correct
4	Correct	17 ms	7416 KB	Output is correct
5	Correct	10 ms	7416 KB	Output is correct
6	Correct	11 ms	7416 KB	Output is correct
7	Correct	11 ms	7416 KB	Output is correct
8	Correct	9 ms	7416 KB	Output is correct
9	Correct	12 ms	7428 KB	Output is correct
10	Correct	11 ms	7416 KB	Output is correct
11	Correct	22 ms	7416 KB	Output is correct
12	Correct	22 ms	7416 KB	Output is correct
13	Correct	21 ms	7416 KB	Output is correct
14	Correct	20 ms	7416 KB	Output is correct
15	Correct	23 ms	7416 KB	Output is correct
16	Correct	15 ms	7544 KB	Output is correct
17	Correct	12 ms	7544 KB	Output is correct
18	Correct	11 ms	7544 KB	Output is correct
19	Correct	13 ms	8184 KB	Output is correct
20	Correct	16 ms	8060 KB	Output is correct
21	Correct	21 ms	8184 KB	Output is correct
22	Correct	39 ms	8184 KB	Output is correct
23	Correct	43 ms	8056 KB	Output is correct
24	Correct	40 ms	8060 KB	Output is correct
25	Correct	39 ms	8060 KB	Output is correct
26	Correct	42 ms	8056 KB	Output is correct

Subtask #2

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	275 ms	44280 KB	Output is correct
2	Correct	322 ms	45664 KB	Output is correct
3	Correct	305 ms	45516 KB	Output is correct
4	Correct	254 ms	45668 KB	Output is correct
5	Correct	945 ms	44152 KB	Output is correct
6	Correct	1362 ms	44512 KB	Output is correct
7	Correct	968 ms	44260 KB	Output is correct
8	Correct	1000 ms	44280 KB	Output is correct

Subtask #3

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	14 ms	7416 KB	Output is correct
2	Correct	319 ms	21000 KB	Output is correct
3	Correct	1314 ms	44408 KB	Output is correct
4	Correct	1938 ms	44304 KB	Output is correct
5	Correct	1345 ms	43296 KB	Output is correct
6	Correct	463 ms	27600 KB	Output is correct
7	Correct	250 ms	18936 KB	Output is correct
8	Correct	74 ms	9780 KB	Output is correct
9	Correct	1457 ms	44392 KB	Output is correct
10	Correct	1020 ms	44336 KB	Output is correct

Subtask #4

23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1351 ms	44152 KB	Output is correct
2	Correct	2133 ms	44152 KB	Output is correct
3	Correct	641 ms	43688 KB	Output is correct
4	Correct	1597 ms	44252 KB	Output is correct
5	Correct	1517 ms	44124 KB	Output is correct
6	Correct	616 ms	43512 KB	Output is correct

Subtask #5

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	14 ms	7416 KB	Output is correct
2	Correct	13 ms	7416 KB	Output is correct
3	Correct	13 ms	7416 KB	Output is correct
4	Correct	17 ms	7416 KB	Output is correct
5	Correct	10 ms	7416 KB	Output is correct
6	Correct	11 ms	7416 KB	Output is correct
7	Correct	11 ms	7416 KB	Output is correct
8	Correct	9 ms	7416 KB	Output is correct
9	Correct	12 ms	7428 KB	Output is correct
10	Correct	11 ms	7416 KB	Output is correct
11	Correct	22 ms	7416 KB	Output is correct
12	Correct	22 ms	7416 KB	Output is correct
13	Correct	21 ms	7416 KB	Output is correct
14	Correct	20 ms	7416 KB	Output is correct
15	Correct	23 ms	7416 KB	Output is correct
16	Correct	15 ms	7544 KB	Output is correct
17	Correct	12 ms	7544 KB	Output is correct
18	Correct	11 ms	7544 KB	Output is correct
19	Correct	13 ms	8184 KB	Output is correct
20	Correct	16 ms	8060 KB	Output is correct
21	Correct	21 ms	8184 KB	Output is correct
22	Correct	39 ms	8184 KB	Output is correct
23	Correct	43 ms	8056 KB	Output is correct
24	Correct	40 ms	8060 KB	Output is correct
25	Correct	39 ms	8060 KB	Output is correct
26	Correct	42 ms	8056 KB	Output is correct
27	Correct	24 ms	8824 KB	Output is correct
28	Correct	20 ms	8824 KB	Output is correct
29	Correct	19 ms	8952 KB	Output is correct
30	Correct	51 ms	8828 KB	Output is correct
31	Correct	51 ms	8828 KB	Output is correct
32	Correct	53 ms	8796 KB	Output is correct
33	Correct	94 ms	20984 KB	Output is correct
34	Correct	95 ms	20984 KB	Output is correct
35	Correct	125 ms	21044 KB	Output is correct
36	Correct	561 ms	20984 KB	Output is correct
37	Correct	397 ms	21112 KB	Output is correct
38	Correct	344 ms	21112 KB	Output is correct
39	Correct	368 ms	19960 KB	Output is correct
40	Correct	379 ms	19960 KB	Output is correct
41	Correct	475 ms	20088 KB	Output is correct
42	Correct	355 ms	20600 KB	Output is correct
43	Correct	341 ms	21112 KB	Output is correct
44	Correct	413 ms	21116 KB	Output is correct
45	Correct	363 ms	21112 KB	Output is correct
46	Correct	367 ms	21104 KB	Output is correct
47	Correct	476 ms	20984 KB	Output is correct
48	Correct	368 ms	20984 KB	Output is correct
49	Correct	380 ms	21112 KB	Output is correct
50	Correct	359 ms	21032 KB	Output is correct

Subtask #6

0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	14 ms	7416 KB	Output is correct
2	Correct	13 ms	7416 KB	Output is correct
3	Correct	13 ms	7416 KB	Output is correct
4	Correct	17 ms	7416 KB	Output is correct
5	Correct	10 ms	7416 KB	Output is correct
6	Correct	11 ms	7416 KB	Output is correct
7	Correct	11 ms	7416 KB	Output is correct
8	Correct	9 ms	7416 KB	Output is correct
9	Correct	12 ms	7428 KB	Output is correct
10	Correct	11 ms	7416 KB	Output is correct
11	Correct	22 ms	7416 KB	Output is correct
12	Correct	22 ms	7416 KB	Output is correct
13	Correct	21 ms	7416 KB	Output is correct
14	Correct	20 ms	7416 KB	Output is correct
15	Correct	23 ms	7416 KB	Output is correct
16	Correct	15 ms	7544 KB	Output is correct
17	Correct	12 ms	7544 KB	Output is correct
18	Correct	11 ms	7544 KB	Output is correct
19	Correct	13 ms	8184 KB	Output is correct
20	Correct	16 ms	8060 KB	Output is correct
21	Correct	21 ms	8184 KB	Output is correct
22	Correct	39 ms	8184 KB	Output is correct
23	Correct	43 ms	8056 KB	Output is correct
24	Correct	40 ms	8060 KB	Output is correct
25	Correct	39 ms	8060 KB	Output is correct
26	Correct	42 ms	8056 KB	Output is correct
27	Correct	275 ms	44280 KB	Output is correct
28	Correct	322 ms	45664 KB	Output is correct
29	Correct	305 ms	45516 KB	Output is correct
30	Correct	254 ms	45668 KB	Output is correct
31	Correct	945 ms	44152 KB	Output is correct
32	Correct	1362 ms	44512 KB	Output is correct
33	Correct	968 ms	44260 KB	Output is correct
34	Correct	1000 ms	44280 KB	Output is correct
35	Correct	14 ms	7416 KB	Output is correct
36	Correct	319 ms	21000 KB	Output is correct
37	Correct	1314 ms	44408 KB	Output is correct
38	Correct	1938 ms	44304 KB	Output is correct
39	Correct	1345 ms	43296 KB	Output is correct
40	Correct	463 ms	27600 KB	Output is correct
41	Correct	250 ms	18936 KB	Output is correct
42	Correct	74 ms	9780 KB	Output is correct
43	Correct	1457 ms	44392 KB	Output is correct
44	Correct	1020 ms	44336 KB	Output is correct
45	Correct	1351 ms	44152 KB	Output is correct
46	Correct	2133 ms	44152 KB	Output is correct
47	Correct	641 ms	43688 KB	Output is correct
48	Correct	1597 ms	44252 KB	Output is correct
49	Correct	1517 ms	44124 KB	Output is correct
50	Correct	616 ms	43512 KB	Output is correct
51	Correct	24 ms	8824 KB	Output is correct
52	Correct	20 ms	8824 KB	Output is correct
53	Correct	19 ms	8952 KB	Output is correct
54	Correct	51 ms	8828 KB	Output is correct
55	Correct	51 ms	8828 KB	Output is correct
56	Correct	53 ms	8796 KB	Output is correct
57	Correct	94 ms	20984 KB	Output is correct
58	Correct	95 ms	20984 KB	Output is correct
59	Correct	125 ms	21044 KB	Output is correct
60	Correct	561 ms	20984 KB	Output is correct
61	Correct	397 ms	21112 KB	Output is correct
62	Correct	344 ms	21112 KB	Output is correct
63	Correct	368 ms	19960 KB	Output is correct
64	Correct	379 ms	19960 KB	Output is correct
65	Correct	475 ms	20088 KB	Output is correct
66	Correct	355 ms	20600 KB	Output is correct
67	Correct	341 ms	21112 KB	Output is correct
68	Correct	413 ms	21116 KB	Output is correct
69	Correct	363 ms	21112 KB	Output is correct
70	Correct	367 ms	21104 KB	Output is correct
71	Correct	476 ms	20984 KB	Output is correct
72	Correct	368 ms	20984 KB	Output is correct
73	Correct	380 ms	21112 KB	Output is correct
74	Correct	359 ms	21032 KB	Output is correct
75	Correct	312 ms	44152 KB	Output is correct
76	Correct	357 ms	44372 KB	Output is correct
77	Correct	313 ms	44408 KB	Output is correct
78	Correct	272 ms	44144 KB	Output is correct
79	Correct	513 ms	44360 KB	Output is correct
80	Correct	267 ms	44152 KB	Output is correct
81	Correct	1392 ms	44304 KB	Output is correct
82	Correct	1417 ms	44268 KB	Output is correct
83	Correct	2069 ms	44520 KB	Output is correct
84	Correct	1409 ms	44272 KB	Output is correct
85	Correct	1378 ms	44152 KB	Output is correct
86	Correct	1372 ms	44164 KB	Output is correct
87	Correct	1734 ms	44252 KB	Output is correct
88	Correct	1263 ms	44024 KB	Output is correct
89	Correct	1398 ms	43880 KB	Output is correct
90	Correct	1359 ms	43896 KB	Output is correct
91	Correct	1321 ms	43884 KB	Output is correct
92	Correct	1228 ms	44040 KB	Output is correct
93	Correct	1933 ms	44008 KB	Output is correct
94	Execution timed out	3105 ms	42104 KB	Time limit exceeded
95	Halted	0 ms	0 KB	-