oj.uz

Submission #361316

# Submission time Handle Problem Language Result Execution time Memory
361316 2021-01-29T09:17:23 Z AmShZ Circle selection (APIO18_circle_selection) C++11
7 / 100
 1039 ms 126352 KB 
//khodaya khodet komak kon
# include <bits/stdc++.h>
 
/*
// ordered_set 
# include <ext/pb_ds/assoc_container.hpp>
# include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
# define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> 
*/
 
using namespace std;
 
typedef long long                                        ll;
typedef long double                                      ld;
typedef pair <int, int>                                  pii;
typedef pair <pii, int>                                  ppi;
typedef pair <int, pii>                                  pip;
typedef pair <ll, ll>                                    pll;
typedef pair <pll, pll>                                  ppp;
 
# define A                                               first
# define B                                               second
# define endl                                            '\n'
# define sep                                             ' '
# define all(x)                                          x.begin(), x.end()
# define kill(x)                                         return cout << x << endl, 0
# define SZ(x)                                           int(x.size())
# define lc                                              id << 1
# define rc                                              id << 1 | 1
# define InTheNameOfGod                                  ios::sync_with_stdio(0);cin.tie(0); cout.tie(0);
 
ll power(ll a, ll b, ll md) {return (!b ? 1 : (b & 1 ? a * power(a * a % md, b / 2, md) % md : power(a * a % md, b / 2, md) % md));}
 
const int xn = 3e5 + 10;
const int xm = - 20 + 10;
const int sq = 320;
const int inf = 1e9 + 10;
const ll INF = 1e18 + 10;
const int mod = 998244353;
const int base = 257;

int n, ans[xn];
ppp a[xn], b[xn];
vector <int> adj[xn];
set <pii> st[2];
bool mark[xn];

void solve(){
	sort(a + 1, a + n + 1);
	for (int i = 1; i <= n; ++ i){
		int id = a[i].A.B;
		int x = a[i].B.A, y = a[i].B.B;
		int l = x + a[i].A.A, r = x - a[i].A.A;
		if (st[0].find({l, id}) == st[0].end())
			continue;
		ans[id] = id;
		st[0].erase({l, id}), st[1].erase({- r, id});
		while (st[0].lower_bound({l, id}) != st[0].end()){
			pii x = *st[0].lower_bound({l, id});
			if (x.A > r)
				break;
			ans[x.B] = id;
			st[0].erase(x);
			st[1].erase({b[x.B].A.A - b[x.B].B.A, x.B});
		}
		while (st[1].lower_bound({- r, id}) != st[1].end()){
			pii x = *st[1].lower_bound({- r, id});
			if (- x.A < l)
				break;
			ans[x.B] = id;
			st[1].erase(x);
			st[0].erase({b[x.B].B.A + b[x.B].A.A, x.B});
		}
	}
	for (int i = 1; i <= n; ++ i)
		cout << ans[i] << sep;
	cout << endl;
}

int main(){
	InTheNameOfGod;
	
	cin >> n;
	for (int i = 1; i <= n; ++ i){
		cin >> a[i].B.A >> a[i].B.B >> a[i].A.A;
		a[i].A.B = i;
		st[0].insert({a[i].B.A - a[i].A.A, i});
		st[1].insert({a[i].A.A - a[i].B.A, i});
		a[i].A.A *= - 1;
		b[i] = a[i];
	}
	if (n > 5e3){
		solve();
		return 0;
	}
	for (int i = 1; i <= n; ++ i){
		for (int j = 1; j <= n; ++ j){
			ll x = abs(a[i].B.A - a[j].B.A);
			ll y = abs(a[i].B.B - a[j].B.B);
			ll z = - a[i].A.A - a[j].A.A;
			if (x * x + y * y <= z * z)
				adj[i].push_back(j);
		}
	}
	sort(a + 1, a + n + 1);
	for (int i = 1; i <= n; ++ i){
		if (mark[a[i].A.B])
			continue;
		for (int u : adj[a[i].A.B])
			if (!mark[u])
				mark[u] = true, ans[u] = a[i].A.B;
	}
	for (int i = 1; i <= n; ++ i)
		cout << ans[i] << sep;
	cout << endl;
			
	return 0;
}

Compilation message

circle_selection.cpp: In function 'void solve()':
circle_selection.cpp:53:21: warning: unused variable 'y' [-Wunused-variable]
   53 |   int x = a[i].B.A, y = a[i].B.B;
      |                     ^

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7404 KB Output is correct
2 Correct 5 ms 7404 KB Output is correct
3 Correct 6 ms 7404 KB Output is correct
4 Correct 6 ms 7404 KB Output is correct
5 Correct 5 ms 7404 KB Output is correct
6 Correct 5 ms 7532 KB Output is correct
7 Correct 6 ms 7532 KB Output is correct
8 Correct 5 ms 7404 KB Output is correct
9 Correct 5 ms 7404 KB Output is correct
10 Correct 5 ms 7404 KB Output is correct
11 Correct 5 ms 7404 KB Output is correct
12 Correct 5 ms 7404 KB Output is correct
13 Correct 5 ms 7404 KB Output is correct
14 Correct 5 ms 7404 KB Output is correct
15 Correct 5 ms 7404 KB Output is correct
16 Correct 16 ms 11372 KB Output is correct
17 Correct 17 ms 11116 KB Output is correct
18 Correct 15 ms 11628 KB Output is correct
19 Correct 199 ms 123352 KB Output is correct
20 Correct 201 ms 126352 KB Output is correct
21 Correct 264 ms 82668 KB Output is correct
22 Correct 92 ms 8556 KB Output is correct
23 Correct 95 ms 8556 KB Output is correct
24 Correct 95 ms 8556 KB Output is correct
25 Correct 104 ms 8556 KB Output is correct
26 Correct 92 ms 8556 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 889 ms 64364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7404 KB Output is correct
2 Incorrect 248 ms 24044 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 1039 ms 57452 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7404 KB Output is correct
2 Correct 5 ms 7404 KB Output is correct
3 Correct 6 ms 7404 KB Output is correct
4 Correct 6 ms 7404 KB Output is correct
5 Correct 5 ms 7404 KB Output is correct
6 Correct 5 ms 7532 KB Output is correct
7 Correct 6 ms 7532 KB Output is correct
8 Correct 5 ms 7404 KB Output is correct
9 Correct 5 ms 7404 KB Output is correct
10 Correct 5 ms 7404 KB Output is correct
11 Correct 5 ms 7404 KB Output is correct
12 Correct 5 ms 7404 KB Output is correct
13 Correct 5 ms 7404 KB Output is correct
14 Correct 5 ms 7404 KB Output is correct
15 Correct 5 ms 7404 KB Output is correct
16 Correct 16 ms 11372 KB Output is correct
17 Correct 17 ms 11116 KB Output is correct
18 Correct 15 ms 11628 KB Output is correct
19 Correct 199 ms 123352 KB Output is correct
20 Correct 201 ms 126352 KB Output is correct
21 Correct 264 ms 82668 KB Output is correct
22 Correct 92 ms 8556 KB Output is correct
23 Correct 95 ms 8556 KB Output is correct
24 Correct 95 ms 8556 KB Output is correct
25 Correct 104 ms 8556 KB Output is correct
26 Correct 92 ms 8556 KB Output is correct
27 Incorrect 22 ms 9068 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7404 KB Output is correct
2 Correct 5 ms 7404 KB Output is correct
3 Correct 6 ms 7404 KB Output is correct
4 Correct 6 ms 7404 KB Output is correct
5 Correct 5 ms 7404 KB Output is correct
6 Correct 5 ms 7532 KB Output is correct
7 Correct 6 ms 7532 KB Output is correct
8 Correct 5 ms 7404 KB Output is correct
9 Correct 5 ms 7404 KB Output is correct
10 Correct 5 ms 7404 KB Output is correct
11 Correct 5 ms 7404 KB Output is correct
12 Correct 5 ms 7404 KB Output is correct
13 Correct 5 ms 7404 KB Output is correct
14 Correct 5 ms 7404 KB Output is correct
15 Correct 5 ms 7404 KB Output is correct
16 Correct 16 ms 11372 KB Output is correct
17 Correct 17 ms 11116 KB Output is correct
18 Correct 15 ms 11628 KB Output is correct
19 Correct 199 ms 123352 KB Output is correct
20 Correct 201 ms 126352 KB Output is correct
21 Correct 264 ms 82668 KB Output is correct
22 Correct 92 ms 8556 KB Output is correct
23 Correct 95 ms 8556 KB Output is correct
24 Correct 95 ms 8556 KB Output is correct
25 Correct 104 ms 8556 KB Output is correct
26 Correct 92 ms 8556 KB Output is correct
27 Incorrect 889 ms 64364 KB Output isn't correct
28 Halted 0 ms 0 KB -