oj.uz

Submission #698803

# Submission time Handle Problem Language Result Execution time Memory
698803 2023-02-14T10:07:45 Z vjudge1 Circle selection (APIO18_circle_selection) C++17
7 / 100
 3000 ms 36468 KB 
#include <bits/stdc++.h>
#include <array>
#define all(v) (v.begin()), (v.end())
#define setall(a, val) for(auto& x : a) x = val
#define ll long long
clock_t start_time;
double get_time() { return (double)(clock() - start_time) / CLOCKS_PER_SEC; }
void init() {
#ifndef ONLINE_JUDGE
	FILE* _ = freopen("in.txt", "r", stdin);
	start_time = clock();
#endif
}
const ll MOD = 998244353;
const ll N = 6e5 + 1;
const ll M = 2e2 + 1;
using namespace std;
//####################################################################################

bool comp(array<ll, 4> a, array<ll, 4> b) {
	if (a[0] == b[0])
		return a[3] < b[3];
	return a[0] > b[0];
}

bool comp2(array<ll, 4> a, array<ll, 4> b) {
	return a[1] < b[1];
}

double dist(ll x1, ll y1, ll x2, ll y2) {
	return sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2));
}

int main() {
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); srand(time(0)); //init();

	int n;
	cin >> n;
	vector< array<ll, 4> > v(n); // {radius, x, y, idx}
	for (int i = 0; i < n; i++)
		cin >> v[i][1] >> v[i][2] >> v[i][0], v[i][3] = i + 1;
	sort(all(v), comp);

	vector< array<ll, 4> > s = v;
	map<int, int> m;
	sort(all(s), comp2);
	for (int i = 0; i < n; i++)
		m[s[i][3]] = i;

	vector<int> ans(n + 1, 0);
	for (int i = 0; i < n; i++) {
		if (ans[v[i][3]])
			continue;
		ans[v[i][3]] = v[i][3];
		if (n <= 5000) {
			for (int j = i + 1; j < n; j++) {
				if (!ans[v[j][3]] && dist(v[i][1], v[i][2], v[j][1], v[j][2]) <= v[i][0] + v[j][0])
					ans[v[j][3]] = v[i][3];
			}
		}
		else {
			for (int j = m[v[i][3]] + 1; j < n; j++) {
				if (ans[s[j][3]] || s[j][1] - v[i][1] > v[i][0] + s[j][0])
					continue;
				ans[s[j][3]] = v[i][3];
			}

			for (int j = m[v[i][3]] - 1; j >= 0; j--) {
				if (ans[s[j][3]] || v[i][1] - s[j][1] > v[i][0] + s[j][0])
					continue;
				ans[s[j][3]] = v[i][3];
			}
		}
	}

	for (int i = 1; i <= n; i++)
		cout << ans[i] << ' ';
	cout << endl;

	//cerr << get_time() << "s" << endl;
}

Compilation message

circle_selection.cpp: In function 'void init()':
circle_selection.cpp:10:8: warning: unused variable '_' [-Wunused-variable]
   10 |  FILE* _ = freopen("in.txt", "r", stdin);
      |        ^

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 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 4 ms 980 KB Output is correct
20 Correct 4 ms 852 KB Output is correct
21 Correct 4 ms 852 KB Output is correct
22 Correct 46 ms 880 KB Output is correct
23 Correct 42 ms 852 KB Output is correct
24 Correct 45 ms 892 KB Output is correct
25 Correct 50 ms 904 KB Output is correct
26 Correct 44 ms 892 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 381 ms 36380 KB Output is correct
2 Correct 339 ms 36468 KB Output is correct
3 Correct 353 ms 36176 KB Output is correct
4 Correct 352 ms 36404 KB Output is correct
5 Execution timed out 3064 ms 34272 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 1390 ms 12180 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3081 ms 34304 KB Time limit exceeded
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 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 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 4 ms 980 KB Output is correct
20 Correct 4 ms 852 KB Output is correct
21 Correct 4 ms 852 KB Output is correct
22 Correct 46 ms 880 KB Output is correct
23 Correct 42 ms 852 KB Output is correct
24 Correct 45 ms 892 KB Output is correct
25 Correct 50 ms 904 KB Output is correct
26 Correct 44 ms 892 KB Output is correct
27 Incorrect 12 ms 1492 KB Output isn't correct
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 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 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 4 ms 980 KB Output is correct
20 Correct 4 ms 852 KB Output is correct
21 Correct 4 ms 852 KB Output is correct
22 Correct 46 ms 880 KB Output is correct
23 Correct 42 ms 852 KB Output is correct
24 Correct 45 ms 892 KB Output is correct
25 Correct 50 ms 904 KB Output is correct
26 Correct 44 ms 892 KB Output is correct
27 Correct 381 ms 36380 KB Output is correct
28 Correct 339 ms 36468 KB Output is correct
29 Correct 353 ms 36176 KB Output is correct
30 Correct 352 ms 36404 KB Output is correct
31 Execution timed out 3064 ms 34272 KB Time limit exceeded
32 Halted 0 ms 0 KB -