// Null
#include <bits/stdc++.h>
#define pb push_back
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " : " << x << '\n'
using namespace std;
typedef long long ll;
typedef long double ld;
typedef string str;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
const ll Mod = 1000000007LL;
const int N = 3e5 + 10;
const ll Inf = 2242545357980376863LL;
const ll Log = 30;
int n, x[N], y[N], r[N];
int mk[N];
map<pii, vector<int>> mp;
void Build(int L){
mp.clear();
for(int i = 1; i <= n; i++){
if(mk[i]) continue;
mp[{x[i]/L, y[i]/L}].pb(i);
}
}
int main(){
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n;
for(int i = 1; i <= n; i++){
cin >> x[i] >> y[i] >> r[i];
}
vector<int> I(n); iota(all(I), 1);
sort(all(I), [&](int i, int j){
return (r[i] == r[j] ? i < j : r[i] > r[j]);
});
int L = 1 << 31;
Build(L);
for(auto id : I){
if(mk[id]) continue;
int fl = 0;
while(L >= r[id] + r[id]) L >>= 1, fl = 1;
if(fl) Build(L);
int i = x[id] / L;
int j = y[id] / L;
for(int i2 = i - 2; i2 <= i + 2; i2 ++) for(int j2 = j - 2; j2 <= j + 2; j2 ++){
if(mp.count({i2, j2})){
for(auto &nei : mp[{i2, j2}]){
if(mk[nei]) continue;
if(1ll*(x[id] - x[nei])*(x[id] - x[nei]) + 1ll*(y[id] - y[nei])*(y[id] - y[nei]) <= 1ll*(r[id] + r[nei])*(r[id] + r[nei]) ){
mk[nei] = id;
}
}
}
}
}
for(int i = 1; i <= n; i++) cout << mk[i] << ' ';
cout << '\n';
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
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
0 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
4 ms |
512 KB |
Output is correct |
20 |
Correct |
4 ms |
512 KB |
Output is correct |
21 |
Correct |
4 ms |
512 KB |
Output is correct |
22 |
Correct |
92 ms |
568 KB |
Output is correct |
23 |
Correct |
92 ms |
512 KB |
Output is correct |
24 |
Correct |
107 ms |
512 KB |
Output is correct |
25 |
Correct |
105 ms |
512 KB |
Output is correct |
26 |
Correct |
98 ms |
632 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
178 ms |
16052 KB |
Output is correct |
2 |
Correct |
176 ms |
16492 KB |
Output is correct |
3 |
Correct |
210 ms |
16056 KB |
Output is correct |
4 |
Correct |
171 ms |
16364 KB |
Output is correct |
5 |
Execution timed out |
3078 ms |
12140 KB |
Time limit exceeded |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Execution timed out |
3072 ms |
5296 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
3067 ms |
14704 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
0 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
4 ms |
512 KB |
Output is correct |
20 |
Correct |
4 ms |
512 KB |
Output is correct |
21 |
Correct |
4 ms |
512 KB |
Output is correct |
22 |
Correct |
92 ms |
568 KB |
Output is correct |
23 |
Correct |
92 ms |
512 KB |
Output is correct |
24 |
Correct |
107 ms |
512 KB |
Output is correct |
25 |
Correct |
105 ms |
512 KB |
Output is correct |
26 |
Correct |
98 ms |
632 KB |
Output is correct |
27 |
Correct |
6 ms |
768 KB |
Output is correct |
28 |
Correct |
7 ms |
1024 KB |
Output is correct |
29 |
Correct |
6 ms |
1024 KB |
Output is correct |
30 |
Correct |
395 ms |
1016 KB |
Output is correct |
31 |
Correct |
415 ms |
1016 KB |
Output is correct |
32 |
Correct |
407 ms |
1016 KB |
Output is correct |
33 |
Correct |
65 ms |
6644 KB |
Output is correct |
34 |
Correct |
67 ms |
6516 KB |
Output is correct |
35 |
Correct |
69 ms |
6388 KB |
Output is correct |
36 |
Execution timed out |
3057 ms |
5312 KB |
Time limit exceeded |
37 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
0 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
4 ms |
512 KB |
Output is correct |
20 |
Correct |
4 ms |
512 KB |
Output is correct |
21 |
Correct |
4 ms |
512 KB |
Output is correct |
22 |
Correct |
92 ms |
568 KB |
Output is correct |
23 |
Correct |
92 ms |
512 KB |
Output is correct |
24 |
Correct |
107 ms |
512 KB |
Output is correct |
25 |
Correct |
105 ms |
512 KB |
Output is correct |
26 |
Correct |
98 ms |
632 KB |
Output is correct |
27 |
Correct |
178 ms |
16052 KB |
Output is correct |
28 |
Correct |
176 ms |
16492 KB |
Output is correct |
29 |
Correct |
210 ms |
16056 KB |
Output is correct |
30 |
Correct |
171 ms |
16364 KB |
Output is correct |
31 |
Execution timed out |
3078 ms |
12140 KB |
Time limit exceeded |
32 |
Halted |
0 ms |
0 KB |
- |