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Submission #403793

# Submission time Handle Problem Language Result Execution time Memory
403793 2021-05-13T13:12:46 Z rqi Circle selection (APIO18_circle_selection) C++14
7 / 100
 3000 ms 25544 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<ll, ll> pl;
typedef vector<int> vi;

#define f first
#define s second
#define pb push_back
#define all(x) begin(x), end(x)
#define mp make_pair


#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;

template<class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

struct hashFunc{
	size_t operator()(const pl& a)const {
		return a.f ^(a.s+1);
	}
};

const int mx = 300005;
int n;
ll x[mx];
ll y[mx];
ll r[mx];
bool present[mx];
int ans[mx];

bool circleIntersect(int a, int b){
	ll dist = (x[a]-x[b])*(x[a]-x[b])+(y[a]-y[b])*(y[a]-y[b]);
	if(dist <= (r[a]+r[b])*(r[a]+r[b])) return 1;
	return 0;
}

int main(){
	cin.tie(0)->sync_with_stdio(0);
	//gp_hash_table<pl, vi, hashFunc> g;
	cin >> n;
	for(int i = 1; i <= n; i++){
		cin >> x[i] >> y[i] >> r[i];
	}
	vector<pair<ll, int>> v;
	for(int i = 1; i <= n; i++){
		v.pb(mp(-r[i], i));
	}
	sort(all(v));
	vi inds;
	for(int i = 0; i < n; i++){
		inds.pb(v[i].s);
	}
	for(int i = 1; i <= n; i++){
		present[i] = 1;
	}
	for(auto ind: inds){
		if(present[ind]){
			present[ind] = 0;
			ans[ind] = ind;
			for(int i = 1; i <= n; i++){
				if(present[i] && circleIntersect(i, ind)){
					present[i] = 0;
					ans[i] = ind;
				}
			}
		}
		
	}
	for(int i = 1; i <= n; i++){
		cout << ans[i] << " ";
	}
	cout << "\n";
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 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 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 2 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 4 ms 800 KB Output is correct
20 Correct 4 ms 844 KB Output is correct
21 Correct 5 ms 844 KB Output is correct
22 Correct 127 ms 816 KB Output is correct
23 Correct 127 ms 812 KB Output is correct
24 Correct 130 ms 820 KB Output is correct
25 Correct 140 ms 820 KB Output is correct
26 Correct 127 ms 828 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 199 ms 25544 KB Output is correct
2 Correct 175 ms 25412 KB Output is correct
3 Correct 172 ms 25172 KB Output is correct
4 Correct 166 ms 25500 KB Output is correct
5 Execution timed out 3068 ms 21284 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 3066 ms 8532 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 3063 ms 23544 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 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 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 2 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 4 ms 800 KB Output is correct
20 Correct 4 ms 844 KB Output is correct
21 Correct 5 ms 844 KB Output is correct
22 Correct 127 ms 816 KB Output is correct
23 Correct 127 ms 812 KB Output is correct
24 Correct 130 ms 820 KB Output is correct
25 Correct 140 ms 820 KB Output is correct
26 Correct 127 ms 828 KB Output is correct
27 Correct 7 ms 1224 KB Output is correct
28 Correct 7 ms 1356 KB Output is correct
29 Correct 7 ms 1232 KB Output is correct
30 Correct 514 ms 1228 KB Output is correct
31 Correct 521 ms 1228 KB Output is correct
32 Correct 512 ms 1228 KB Output is correct
33 Correct 63 ms 9276 KB Output is correct
34 Correct 61 ms 9300 KB Output is correct
35 Correct 75 ms 9092 KB Output is correct
36 Execution timed out 3079 ms 8120 KB Time limit exceeded
37 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 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 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 2 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 4 ms 800 KB Output is correct
20 Correct 4 ms 844 KB Output is correct
21 Correct 5 ms 844 KB Output is correct
22 Correct 127 ms 816 KB Output is correct
23 Correct 127 ms 812 KB Output is correct
24 Correct 130 ms 820 KB Output is correct
25 Correct 140 ms 820 KB Output is correct
26 Correct 127 ms 828 KB Output is correct
27 Correct 199 ms 25544 KB Output is correct
28 Correct 175 ms 25412 KB Output is correct
29 Correct 172 ms 25172 KB Output is correct
30 Correct 166 ms 25500 KB Output is correct
31 Execution timed out 3068 ms 21284 KB Time limit exceeded
32 Halted 0 ms 0 KB -