oj.uz

Submission #516775

# Submission time Handle Problem Language Result Execution time Memory
516775 2022-01-22T06:09:11 Z pragmatist Circle selection (APIO18_circle_selection) C++17
7 / 100
 3000 ms 36784 KB 
#include <bits/stdc++.h>                             

#define sz(v) v.size()                                
#define pb push_back
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define x first
#define y second
#define int long long
#define nl "\n"
 
using namespace std;

typedef long long ll;
typedef pair<long long, long long> pll;
typedef pair <ll, ll> pii;

const int N = (int)3e5 + 7;
const int M = (int)15e6 + 7;
const ll MOD = (ll)1e9 + 7;                    
const int inf = (ll)1e9 + 7;
const ll INF = (ll)3e18 + 7;

pii dir[] = {{-1, 0}, {1, 0}, {0, 1}, {0, -1}};

int n, x[N], y[N], c[N], a[N];
bool used[N];

bool intersect(int i, int j) {
	int d = c[i] + c[j];
	d *= d;
	int p = (x[i] - x[j]) * (x[i] - x[j]) + (y[i] - y[j]) * (y[i] - y[j]);
	return p <= d; 
}

bool ok() {
	for(int i = 1; i <= n; ++i) if(!used[i]) return 0;
	return 1;
}

void solve() {                              
	cin >> n;
	for(int i = 1; i <= n; ++i) cin >> x[i] >> y[i] >> c[i];
	if(n <= 5000) {
		while(!ok()) {
			int id = 0;
			for(int i = 1; i <= n; ++i) if(!used[i] && c[i] > c[id]) id = i;
				for(int i = 1; i <= n; ++i) {
				if(!used[i] && intersect(i, id)) a[i] = id, used[i] = 1;
			}			
		}	
	} else {
		set<pii> s;
		for(int i = 1; i <= n; ++i) s.insert({c[i], i});
		while(!s.empty()) {
			int i = (*s.rbegin()).y;
			s.erase({c[i], i});
			a[i] = i;
			vector<pii> v;
			for(auto [t, j] : s) {
				if(intersect(i, j)) {
					v.pb({t, j});
					a[j] = i;
				}	
			}	
			for(auto e : v) s.erase(e);
		}
	}
	for(int i = 1; i <= n; ++i) cout << a[i] << ' ';
}

signed main() {                   
	ios_base::sync_with_stdio(NULL);
    cin.tie(0);
    cout.tie(0);
    int test = 1;
	//cin >> test;
	for(int i = 1; i <= test; ++i) {
        //cout << "Case " << i << ": ";
        solve();
    }
    return 0;
}
/*
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
*/

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 428 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 3 ms 460 KB Output is correct
20 Correct 3 ms 460 KB Output is correct
21 Correct 3 ms 460 KB Output is correct
22 Correct 155 ms 508 KB Output is correct
23 Correct 156 ms 492 KB Output is correct
24 Correct 158 ms 496 KB Output is correct
25 Correct 150 ms 496 KB Output is correct
26 Correct 156 ms 496 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 383 ms 36784 KB Output is correct
2 Correct 395 ms 34880 KB Output is correct
3 Correct 364 ms 32636 KB Output is correct
4 Correct 357 ms 36756 KB Output is correct
5 Execution timed out 3083 ms 28572 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Execution timed out 3072 ms 9820 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3064 ms 26124 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 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 428 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 3 ms 460 KB Output is correct
20 Correct 3 ms 460 KB Output is correct
21 Correct 3 ms 460 KB Output is correct
22 Correct 155 ms 508 KB Output is correct
23 Correct 156 ms 492 KB Output is correct
24 Correct 158 ms 496 KB Output is correct
25 Correct 150 ms 496 KB Output is correct
26 Correct 156 ms 496 KB Output is correct
27 Correct 6 ms 1612 KB Output is correct
28 Correct 9 ms 1612 KB Output is correct
29 Correct 7 ms 1612 KB Output is correct
30 Correct 999 ms 1276 KB Output is correct
31 Correct 1138 ms 1276 KB Output is correct
32 Correct 1152 ms 1320 KB Output is correct
33 Correct 82 ms 11832 KB Output is correct
34 Correct 115 ms 11836 KB Output is correct
35 Correct 100 ms 11832 KB Output is correct
36 Execution timed out 3070 ms 9504 KB Time limit exceeded
37 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 428 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 3 ms 460 KB Output is correct
20 Correct 3 ms 460 KB Output is correct
21 Correct 3 ms 460 KB Output is correct
22 Correct 155 ms 508 KB Output is correct
23 Correct 156 ms 492 KB Output is correct
24 Correct 158 ms 496 KB Output is correct
25 Correct 150 ms 496 KB Output is correct
26 Correct 156 ms 496 KB Output is correct
27 Correct 383 ms 36784 KB Output is correct
28 Correct 395 ms 34880 KB Output is correct
29 Correct 364 ms 32636 KB Output is correct
30 Correct 357 ms 36756 KB Output is correct
31 Execution timed out 3083 ms 28572 KB Time limit exceeded
32 Halted 0 ms 0 KB -