oj.uz

Submission #728320

# Submission time Handle Problem Language Result Execution time Memory
728320 2023-04-22T07:27:12 Z SanguineChameleon Circle selection (APIO18_circle_selection) C++17
87 / 100
 3000 ms 63724 KB 
#include <bits/stdc++.h>
using namespace std;

void just_do_it();

int main() {
	#ifdef KAMIRULEZ
		freopen("kamirulez.inp", "r", stdin);
		freopen("kamirulez.out", "w", stdout);
	#endif
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	just_do_it();
	return 0;
}

struct circle {
	int x, y, r;
};

bool intersect(circle C1, circle C2) {
	return 1LL * (C1.r + C2.r) * (C1.r + C2.r) >= 1LL * (C1.x - C2.x) * (C1.x - C2.x) + 1LL * (C1.y - C2.y) * (C1.y - C2.y); 
}

const int maxn = 3e5 + 20;
circle C[maxn];
int res[maxn];
set<pair<int, int>> S;
map<int, set<pair<int, int>>> groups;
int n;

int floor(int a, int b) {
	return (a / b) - (a % b && (a ^ b) < 0);
}

void build(int len) {
	groups.clear();
	for (auto p: S) {
		int i = p.second;
		int cx = floor(C[i].x, len);
		int cy = floor(C[i].y, len);
		groups[cx].insert({cy, i});
	}
}

void just_do_it() {
	cin >> n;
	for (int i = 1; i <= n; i++) {
		cin >> C[i].x >> C[i].y >> C[i].r;
		S.insert({-C[i].r, i});
	}
	int len = -1;
	while (!S.empty()) {
		int cur = S.begin()->second;
		if (len == -1 || C[cur].r * 2 < len) {
			len = C[cur].r;
			build(len);
		}
		int cx = floor(C[cur].x, len);
		int cy = floor(C[cur].y, len);
		auto g_it = groups.lower_bound(cx - 2);
		while (g_it != groups.end()) {
			if (g_it->first > cx + 2) {
				break;
			}
			auto it = g_it->second.lower_bound({cy - 2, -1});
			while (it != g_it->second.end()) {
				if (it->first > cy + 2) {
					break;
				}
				int can = it->second;
				if (intersect(C[cur], C[can])) {
					res[can] = cur;
					it = g_it->second.erase(it);
					S.erase({-C[can].r, can});
				}
				else {
					it++;
				}
			}
			g_it++;
		}
	}
	for (int i = 1; i <= n; i++) {
		cout << res[i] << " ";
	}
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 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 324 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 5 ms 948 KB Output is correct
20 Correct 6 ms 980 KB Output is correct
21 Correct 6 ms 980 KB Output is correct
22 Correct 11 ms 1236 KB Output is correct
23 Correct 8 ms 980 KB Output is correct
24 Correct 8 ms 1368 KB Output is correct
25 Correct 8 ms 1496 KB Output is correct
26 Correct 8 ms 1364 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 689 ms 36680 KB Output is correct
2 Correct 652 ms 36540 KB Output is correct
3 Correct 719 ms 36312 KB Output is correct
4 Correct 649 ms 36520 KB Output is correct
5 Correct 673 ms 36992 KB Output is correct
6 Correct 946 ms 50436 KB Output is correct
7 Correct 699 ms 37932 KB Output is correct
8 Correct 707 ms 40412 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 341 ms 13204 KB Output is correct
3 Correct 1236 ms 38476 KB Output is correct
4 Correct 1206 ms 38444 KB Output is correct
5 Correct 1336 ms 35848 KB Output is correct
6 Correct 512 ms 20012 KB Output is correct
7 Correct 214 ms 10948 KB Output is correct
8 Correct 23 ms 3536 KB Output is correct
9 Correct 1434 ms 36992 KB Output is correct
10 Correct 1417 ms 35760 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 780 ms 43180 KB Output is correct
2 Correct 679 ms 63724 KB Output is correct
3 Correct 664 ms 35172 KB Output is correct
4 Correct 737 ms 61604 KB Output is correct
5 Correct 715 ms 62744 KB Output is correct
6 Correct 585 ms 34876 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 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 324 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 5 ms 948 KB Output is correct
20 Correct 6 ms 980 KB Output is correct
21 Correct 6 ms 980 KB Output is correct
22 Correct 11 ms 1236 KB Output is correct
23 Correct 8 ms 980 KB Output is correct
24 Correct 8 ms 1368 KB Output is correct
25 Correct 8 ms 1496 KB Output is correct
26 Correct 8 ms 1364 KB Output is correct
27 Correct 11 ms 1620 KB Output is correct
28 Correct 10 ms 1604 KB Output is correct
29 Correct 11 ms 1628 KB Output is correct
30 Correct 17 ms 1744 KB Output is correct
31 Correct 16 ms 2152 KB Output is correct
32 Correct 15 ms 2144 KB Output is correct
33 Correct 152 ms 12108 KB Output is correct
34 Correct 156 ms 12076 KB Output is correct
35 Correct 194 ms 12052 KB Output is correct
36 Correct 261 ms 15708 KB Output is correct
37 Correct 298 ms 15420 KB Output is correct
38 Correct 284 ms 14256 KB Output is correct
39 Correct 832 ms 12152 KB Output is correct
40 Correct 795 ms 12048 KB Output is correct
41 Correct 865 ms 12104 KB Output is correct
42 Correct 177 ms 12160 KB Output is correct
43 Correct 177 ms 21212 KB Output is correct
44 Correct 190 ms 21144 KB Output is correct
45 Correct 187 ms 21240 KB Output is correct
46 Correct 210 ms 21200 KB Output is correct
47 Correct 176 ms 21292 KB Output is correct
48 Correct 206 ms 21180 KB Output is correct
49 Correct 216 ms 21144 KB Output is correct
50 Correct 188 ms 21168 KB Output is correct

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 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 324 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 5 ms 948 KB Output is correct
20 Correct 6 ms 980 KB Output is correct
21 Correct 6 ms 980 KB Output is correct
22 Correct 11 ms 1236 KB Output is correct
23 Correct 8 ms 980 KB Output is correct
24 Correct 8 ms 1368 KB Output is correct
25 Correct 8 ms 1496 KB Output is correct
26 Correct 8 ms 1364 KB Output is correct
27 Correct 689 ms 36680 KB Output is correct
28 Correct 652 ms 36540 KB Output is correct
29 Correct 719 ms 36312 KB Output is correct
30 Correct 649 ms 36520 KB Output is correct
31 Correct 673 ms 36992 KB Output is correct
32 Correct 946 ms 50436 KB Output is correct
33 Correct 699 ms 37932 KB Output is correct
34 Correct 707 ms 40412 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 341 ms 13204 KB Output is correct
37 Correct 1236 ms 38476 KB Output is correct
38 Correct 1206 ms 38444 KB Output is correct
39 Correct 1336 ms 35848 KB Output is correct
40 Correct 512 ms 20012 KB Output is correct
41 Correct 214 ms 10948 KB Output is correct
42 Correct 23 ms 3536 KB Output is correct
43 Correct 1434 ms 36992 KB Output is correct
44 Correct 1417 ms 35760 KB Output is correct
45 Correct 780 ms 43180 KB Output is correct
46 Correct 679 ms 63724 KB Output is correct
47 Correct 664 ms 35172 KB Output is correct
48 Correct 737 ms 61604 KB Output is correct
49 Correct 715 ms 62744 KB Output is correct
50 Correct 585 ms 34876 KB Output is correct
51 Correct 11 ms 1620 KB Output is correct
52 Correct 10 ms 1604 KB Output is correct
53 Correct 11 ms 1628 KB Output is correct
54 Correct 17 ms 1744 KB Output is correct
55 Correct 16 ms 2152 KB Output is correct
56 Correct 15 ms 2144 KB Output is correct
57 Correct 152 ms 12108 KB Output is correct
58 Correct 156 ms 12076 KB Output is correct
59 Correct 194 ms 12052 KB Output is correct
60 Correct 261 ms 15708 KB Output is correct
61 Correct 298 ms 15420 KB Output is correct
62 Correct 284 ms 14256 KB Output is correct
63 Correct 832 ms 12152 KB Output is correct
64 Correct 795 ms 12048 KB Output is correct
65 Correct 865 ms 12104 KB Output is correct
66 Correct 177 ms 12160 KB Output is correct
67 Correct 177 ms 21212 KB Output is correct
68 Correct 190 ms 21144 KB Output is correct
69 Correct 187 ms 21240 KB Output is correct
70 Correct 210 ms 21200 KB Output is correct
71 Correct 176 ms 21292 KB Output is correct
72 Correct 206 ms 21180 KB Output is correct
73 Correct 216 ms 21144 KB Output is correct
74 Correct 188 ms 21168 KB Output is correct
75 Correct 698 ms 35312 KB Output is correct
76 Correct 735 ms 35740 KB Output is correct
77 Correct 645 ms 35708 KB Output is correct
78 Correct 695 ms 35596 KB Output is correct
79 Correct 753 ms 35636 KB Output is correct
80 Correct 588 ms 35416 KB Output is correct
81 Correct 1278 ms 38284 KB Output is correct
82 Correct 1313 ms 40080 KB Output is correct
83 Correct 1244 ms 40072 KB Output is correct
84 Correct 1179 ms 37008 KB Output is correct
85 Correct 1263 ms 38884 KB Output is correct
86 Correct 1293 ms 40856 KB Output is correct
87 Correct 1193 ms 35848 KB Output is correct
88 Execution timed out 3025 ms 32428 KB Time limit exceeded
89 Halted 0 ms 0 KB -