Submission #728296

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
728296	2023-04-22T07:01:37 Z	SanguineChameleon	Circle selection (APIO18_circle_selection)	C++17	7 / 100	139 ms	1368 KB

circle_selection

#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 = 5e3 + 20;
circle C[maxn];
int res[maxn];
set<pair<int, int>> S;

void just_do_it() {
	int n;
	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});
	}
	while (!S.empty()) {
		int cur = S.begin()->second;
		auto it = S.begin();
		while (it != S.end()) {
			int nxt = it->second;
			if (intersect(C[cur], C[nxt])) {
				res[nxt] = cur;
				it = S.erase(it);
			}
			else {
				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	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	328 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	328 KB	Output is correct
6	Correct	0 ms	324 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	212 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	328 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	1 ms	328 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	3 ms	716 KB	Output is correct
20	Correct	4 ms	724 KB	Output is correct
21	Correct	4 ms	724 KB	Output is correct
22	Correct	139 ms	752 KB	Output is correct
23	Correct	135 ms	724 KB	Output is correct
24	Correct	136 ms	764 KB	Output is correct
25	Correct	134 ms	752 KB	Output is correct
26	Correct	136 ms	748 KB	Output is correct

Subtask #2

0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Runtime error	4 ms	1364 KB	Execution killed with signal 11
2	Halted	0 ms	0 KB	-

Subtask #3

0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Runtime error	5 ms	1364 KB	Execution killed with signal 11
3	Halted	0 ms	0 KB	-

Subtask #4

0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Runtime error	3 ms	1368 KB	Execution killed with signal 11
2	Halted	0 ms	0 KB	-

Subtask #5

0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	328 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	328 KB	Output is correct
6	Correct	0 ms	324 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	212 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	328 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	1 ms	328 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	3 ms	716 KB	Output is correct
20	Correct	4 ms	724 KB	Output is correct
21	Correct	4 ms	724 KB	Output is correct
22	Correct	139 ms	752 KB	Output is correct
23	Correct	135 ms	724 KB	Output is correct
24	Correct	136 ms	764 KB	Output is correct
25	Correct	134 ms	752 KB	Output is correct
26	Correct	136 ms	748 KB	Output is correct
27	Runtime error	4 ms	1316 KB	Execution killed with signal 11
28	Halted	0 ms	0 KB	-

Subtask #6

0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	328 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	328 KB	Output is correct
6	Correct	0 ms	324 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	212 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	328 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	1 ms	328 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	3 ms	716 KB	Output is correct
20	Correct	4 ms	724 KB	Output is correct
21	Correct	4 ms	724 KB	Output is correct
22	Correct	139 ms	752 KB	Output is correct
23	Correct	135 ms	724 KB	Output is correct
24	Correct	136 ms	764 KB	Output is correct
25	Correct	134 ms	752 KB	Output is correct
26	Correct	136 ms	748 KB	Output is correct
27	Runtime error	4 ms	1364 KB	Execution killed with signal 11
28	Halted	0 ms	0 KB	-