oj.uz

Submission #978445

# Submission time Handle Problem Language Result Execution time Memory
978445 2024-05-09T08:29:03 Z Halym2007 Circle selection (APIO18_circle_selection) C++17
7 / 100
 269 ms 21852 KB 
#include <bits/stdc++.h>
using namespace std;
const int N = 3e5 + 5;
#define ll long long
#define ff first
#define ss second
#define pii pair <int, int>
int n, jog[N];
bool vis[N];
struct coordinate {
	ll x, y, r, idx;
};
coordinate a[N];

bool intersect (coordinate x, coordinate y) {
	ll a1 = (x.x - y.x) * (x.x - y.x), a2 = (x.y - y.y) * (x.y - y.y), a3 = (x.r + y.r) * (x.r + y.r);
	return (a1 + a2 <= a3);
}

//void cykar (coordinate x) {
//	cout << x.x << " " << x.y << " " << x.r << " " << x.idx << "\n";
//}


bool cmp (coordinate x, coordinate y) {
	if (x.r > y.r) return 1;
	else if (x.r == y.r and x.idx < y.idx) return 1;
	return 0;
}


int main () {
//	freopen ("input1.txt", "r", stdin);
	cin >> n;
//	bool sub = 0;
	for (int i = 1; i <= n; ++i) {
		cin >> a[i].x >> a[i].y >> a[i].r;
		a[i].idx = i;
//		if (a[i].y != 0) sub = 1;
	}
	sort (a + 1, a + n + 1, cmp);
	if (n <= 5000) {
		for (int i = 1; i <= n; ++i) {
			if (vis[i]) continue;
			jog[a[i].idx] = a[i].idx;	
			for (int j = i + 1; j <= n; ++j) {
				if (vis[j]) continue;
				if (intersect (a[i], a[j])) {
					jog[a[j].idx] = a[i].idx;
					vis[j] = 1;
				}
			}
		}
	}
	else {
		assert (n <= 5000);
		set <ll> s;
		map <ll, ll> val;
		for (int i = 1; i <= n; ++i) {
			ll l = a[i].x - a[i].r, r = a[i].x + a[i].r;
			if (i == 1) {
				s.insert (l);
				s.insert (r);
				val[l] = a[i].idx;
				val[r] = a[i].idx;
				
				jog[a[i].idx] = a[i].idx;
			}
			else {
				auto tr = s.lower_bound (l);
				if (tr != s.end()) {
					ll x = *tr;
					if (x <= r) {
						jog[a[i].idx] = val[x];
						continue;
					}
					else if (tr != s.begin()) {
						tr--;
						ll y = *tr;
						if (y <= l and r <= x) {
							jog[a[i].idx] = val[x];
							continue;
						}
					}
				}
				s.insert (l);
				s.insert (r);
				val[l] = a[i].idx;
				val[r] = a[i].idx;
				jog[a[i].idx] = a[i].idx;
			}
		}
	}
	for (int i = 1; i <= n; ++i) {
		cout << jog[i] << " ";
	}
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 6 ms 604 KB Output is correct
20 Correct 5 ms 604 KB Output is correct
21 Correct 5 ms 484 KB Output is correct
22 Correct 21 ms 604 KB Output is correct
23 Correct 22 ms 620 KB Output is correct
24 Correct 27 ms 600 KB Output is correct
25 Correct 21 ms 620 KB Output is correct
26 Correct 22 ms 604 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 244 ms 21852 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Runtime error 107 ms 9056 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Runtime error 269 ms 21816 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 6 ms 604 KB Output is correct
20 Correct 5 ms 604 KB Output is correct
21 Correct 5 ms 484 KB Output is correct
22 Correct 21 ms 604 KB Output is correct
23 Correct 22 ms 620 KB Output is correct
24 Correct 27 ms 600 KB Output is correct
25 Correct 21 ms 620 KB Output is correct
26 Correct 22 ms 604 KB Output is correct
27 Runtime error 12 ms 4952 KB Execution killed with signal 6
28 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 6 ms 604 KB Output is correct
20 Correct 5 ms 604 KB Output is correct
21 Correct 5 ms 484 KB Output is correct
22 Correct 21 ms 604 KB Output is correct
23 Correct 22 ms 620 KB Output is correct
24 Correct 27 ms 600 KB Output is correct
25 Correct 21 ms 620 KB Output is correct
26 Correct 22 ms 604 KB Output is correct
27 Runtime error 244 ms 21852 KB Execution killed with signal 6
28 Halted 0 ms 0 KB -