/* There's someone in my head but it's not me */
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC target("avx")
using namespace std;
typedef long long int ll;
typedef pair<int, int> pii;
#define SZ(x) (int) x.size()
#define F first
#define S second
const int N = 3e5 + 4, MOD = 1e9 + 7;
int n, X[N], Y[N], R[N], ord[N], xord[N], pos[N], ret[N]; vector<int> ids;
ll base[N];
int intersect(int i, int j)
{
return (base[i] + base[j] + 2ll * (1ll * X[i] * X[j] + 1ll * Y[i] * Y[j] + 1ll * R[i] * R[j])) >= 0;
}
struct node : set<pii> {
node *lc, *rc;
node() : lc(nullptr), rc(nullptr) {}
void build(int l = 1, int r = n + 1) {
for (int i = l; i < r; i++) {
this->insert({Y[xord[i]], xord[i]});
}
if (r - l < 2) return;
int md = (l + r) >> 1;
lc = new node(), rc = new node();
lc->build(l, md), rc->build(md, r);
}
void remove(int &p, int &id, int l = 1, int r = n + 1) {
this->erase({Y[id], id});
if (r - l < 2) return;
int md = (l + r) >> 1;
if (p < md) lc->remove(p, id, l, md);
else rc->remove(p, id, md, r);
}
void get(ll xl, ll xr, ll yl, ll yr, int &id, node* &rt, int l = 1, int r = n + 1) {
if (xr <= X[xord[l]] || X[xord[r - 1]] + 1 <= xl || this->empty()) return;
if (xl <= X[xord[l]] && X[xord[r - 1]] + 1 <= xr) {
for (auto it = this->lower_bound({yl, -1e9}); it != this->end() && it->F <= yr; ) {
auto x = *it;
if (ret[x.S]) this->erase(x);
else if (intersect(id, x.S)) ret[x.S] = id;
it = this->upper_bound(x);
}
return;
}
int md = (l + r) >> 1;
lc->get(xl, xr, yl, yr, id, rt, l, md), rc->get(xl, xr, yl, yr, id, rt, md, r);
}
};
node* seg;
int main() {
scanf("%d", &n);
for (int i = 1; i <= n; i++)
scanf("%d%d%d", &X[i], &Y[i], &R[i]);
for(int i = 1 ;i <= n; i ++)
{
base[i] = 1ll * R[i] * R[i] - 1ll * X[i] * X[i] - 1ll * Y[i] * Y[i];
}
iota(ord + 1, ord + n + 1, 1);
iota(xord + 1, xord + n + 1, 1);
sort(ord + 1, ord + n + 1, [&] (int i, int j) { return R[i] == R[j] ? i < j : R[i] > R[j]; });
sort(xord + 1, xord + n + 1, [&] (int i, int j) { return X[i] < X[j]; });
seg = new node(); seg->build();
for (int i = 1; i <= n; i++) pos[xord[i]] = i;
for (int _ = 1; _ <= n; _++) {
int i = ord[_];
if (ret[i]) continue;
seg->get(X[i] - 2ll * R[i], X[i] + 2ll * R[i] + 1, Y[i] - 2ll * R[i], Y[i] + 2ll * R[i], i, seg);
}
for (int i = 1; i <= n; i++) printf("%d ", ret[i]);
printf("\n");
return 0;
}
Compilation message
circle_selection.cpp: In function 'int main()':
circle_selection.cpp:67:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
67 | scanf("%d", &n);
| ~~~~~^~~~~~~~~~
circle_selection.cpp:69:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
69 | scanf("%d%d%d", &X[i], &Y[i], &R[i]);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
336 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 |
2 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 |
3 ms |
972 KB |
Output is correct |
17 |
Correct |
3 ms |
972 KB |
Output is correct |
18 |
Correct |
3 ms |
972 KB |
Output is correct |
19 |
Correct |
13 ms |
4388 KB |
Output is correct |
20 |
Correct |
13 ms |
4460 KB |
Output is correct |
21 |
Correct |
16 ms |
4432 KB |
Output is correct |
22 |
Correct |
16 ms |
4428 KB |
Output is correct |
23 |
Correct |
17 ms |
4408 KB |
Output is correct |
24 |
Correct |
23 ms |
4428 KB |
Output is correct |
25 |
Correct |
15 ms |
4428 KB |
Output is correct |
26 |
Correct |
15 ms |
4428 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1371 ms |
331088 KB |
Output is correct |
2 |
Correct |
1450 ms |
331208 KB |
Output is correct |
3 |
Correct |
1435 ms |
330884 KB |
Output is correct |
4 |
Correct |
1384 ms |
331308 KB |
Output is correct |
5 |
Correct |
1394 ms |
330996 KB |
Output is correct |
6 |
Correct |
1575 ms |
331100 KB |
Output is correct |
7 |
Correct |
1496 ms |
331032 KB |
Output is correct |
8 |
Correct |
1464 ms |
330992 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
584 ms |
103140 KB |
Output is correct |
3 |
Correct |
2251 ms |
330992 KB |
Output is correct |
4 |
Correct |
2242 ms |
331192 KB |
Output is correct |
5 |
Correct |
2148 ms |
321484 KB |
Output is correct |
6 |
Correct |
862 ms |
165828 KB |
Output is correct |
7 |
Correct |
378 ms |
83800 KB |
Output is correct |
8 |
Correct |
55 ms |
15556 KB |
Output is correct |
9 |
Correct |
2228 ms |
331064 KB |
Output is correct |
10 |
Correct |
2181 ms |
330964 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2051 ms |
331048 KB |
Output is correct |
2 |
Correct |
1759 ms |
331084 KB |
Output is correct |
3 |
Correct |
1644 ms |
330600 KB |
Output is correct |
4 |
Correct |
1807 ms |
331052 KB |
Output is correct |
5 |
Correct |
1786 ms |
331104 KB |
Output is correct |
6 |
Correct |
1576 ms |
330376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
336 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 |
2 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 |
3 ms |
972 KB |
Output is correct |
17 |
Correct |
3 ms |
972 KB |
Output is correct |
18 |
Correct |
3 ms |
972 KB |
Output is correct |
19 |
Correct |
13 ms |
4388 KB |
Output is correct |
20 |
Correct |
13 ms |
4460 KB |
Output is correct |
21 |
Correct |
16 ms |
4432 KB |
Output is correct |
22 |
Correct |
16 ms |
4428 KB |
Output is correct |
23 |
Correct |
17 ms |
4408 KB |
Output is correct |
24 |
Correct |
23 ms |
4428 KB |
Output is correct |
25 |
Correct |
15 ms |
4428 KB |
Output is correct |
26 |
Correct |
15 ms |
4428 KB |
Output is correct |
27 |
Correct |
30 ms |
8996 KB |
Output is correct |
28 |
Correct |
29 ms |
8940 KB |
Output is correct |
29 |
Correct |
30 ms |
8904 KB |
Output is correct |
30 |
Correct |
36 ms |
9028 KB |
Output is correct |
31 |
Correct |
33 ms |
8980 KB |
Output is correct |
32 |
Correct |
32 ms |
9028 KB |
Output is correct |
33 |
Correct |
376 ms |
103240 KB |
Output is correct |
34 |
Correct |
377 ms |
103176 KB |
Output is correct |
35 |
Correct |
405 ms |
103108 KB |
Output is correct |
36 |
Correct |
533 ms |
103168 KB |
Output is correct |
37 |
Correct |
522 ms |
103140 KB |
Output is correct |
38 |
Correct |
547 ms |
103100 KB |
Output is correct |
39 |
Correct |
1258 ms |
103192 KB |
Output is correct |
40 |
Correct |
1258 ms |
103136 KB |
Output is correct |
41 |
Correct |
1299 ms |
103076 KB |
Output is correct |
42 |
Correct |
452 ms |
102932 KB |
Output is correct |
43 |
Correct |
393 ms |
103096 KB |
Output is correct |
44 |
Correct |
389 ms |
103080 KB |
Output is correct |
45 |
Correct |
396 ms |
103212 KB |
Output is correct |
46 |
Correct |
389 ms |
103096 KB |
Output is correct |
47 |
Correct |
404 ms |
103160 KB |
Output is correct |
48 |
Correct |
382 ms |
103084 KB |
Output is correct |
49 |
Correct |
394 ms |
103108 KB |
Output is correct |
50 |
Correct |
381 ms |
103148 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
336 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 |
2 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 |
3 ms |
972 KB |
Output is correct |
17 |
Correct |
3 ms |
972 KB |
Output is correct |
18 |
Correct |
3 ms |
972 KB |
Output is correct |
19 |
Correct |
13 ms |
4388 KB |
Output is correct |
20 |
Correct |
13 ms |
4460 KB |
Output is correct |
21 |
Correct |
16 ms |
4432 KB |
Output is correct |
22 |
Correct |
16 ms |
4428 KB |
Output is correct |
23 |
Correct |
17 ms |
4408 KB |
Output is correct |
24 |
Correct |
23 ms |
4428 KB |
Output is correct |
25 |
Correct |
15 ms |
4428 KB |
Output is correct |
26 |
Correct |
15 ms |
4428 KB |
Output is correct |
27 |
Correct |
1371 ms |
331088 KB |
Output is correct |
28 |
Correct |
1450 ms |
331208 KB |
Output is correct |
29 |
Correct |
1435 ms |
330884 KB |
Output is correct |
30 |
Correct |
1384 ms |
331308 KB |
Output is correct |
31 |
Correct |
1394 ms |
330996 KB |
Output is correct |
32 |
Correct |
1575 ms |
331100 KB |
Output is correct |
33 |
Correct |
1496 ms |
331032 KB |
Output is correct |
34 |
Correct |
1464 ms |
330992 KB |
Output is correct |
35 |
Correct |
1 ms |
332 KB |
Output is correct |
36 |
Correct |
584 ms |
103140 KB |
Output is correct |
37 |
Correct |
2251 ms |
330992 KB |
Output is correct |
38 |
Correct |
2242 ms |
331192 KB |
Output is correct |
39 |
Correct |
2148 ms |
321484 KB |
Output is correct |
40 |
Correct |
862 ms |
165828 KB |
Output is correct |
41 |
Correct |
378 ms |
83800 KB |
Output is correct |
42 |
Correct |
55 ms |
15556 KB |
Output is correct |
43 |
Correct |
2228 ms |
331064 KB |
Output is correct |
44 |
Correct |
2181 ms |
330964 KB |
Output is correct |
45 |
Correct |
2051 ms |
331048 KB |
Output is correct |
46 |
Correct |
1759 ms |
331084 KB |
Output is correct |
47 |
Correct |
1644 ms |
330600 KB |
Output is correct |
48 |
Correct |
1807 ms |
331052 KB |
Output is correct |
49 |
Correct |
1786 ms |
331104 KB |
Output is correct |
50 |
Correct |
1576 ms |
330376 KB |
Output is correct |
51 |
Correct |
30 ms |
8996 KB |
Output is correct |
52 |
Correct |
29 ms |
8940 KB |
Output is correct |
53 |
Correct |
30 ms |
8904 KB |
Output is correct |
54 |
Correct |
36 ms |
9028 KB |
Output is correct |
55 |
Correct |
33 ms |
8980 KB |
Output is correct |
56 |
Correct |
32 ms |
9028 KB |
Output is correct |
57 |
Correct |
376 ms |
103240 KB |
Output is correct |
58 |
Correct |
377 ms |
103176 KB |
Output is correct |
59 |
Correct |
405 ms |
103108 KB |
Output is correct |
60 |
Correct |
533 ms |
103168 KB |
Output is correct |
61 |
Correct |
522 ms |
103140 KB |
Output is correct |
62 |
Correct |
547 ms |
103100 KB |
Output is correct |
63 |
Correct |
1258 ms |
103192 KB |
Output is correct |
64 |
Correct |
1258 ms |
103136 KB |
Output is correct |
65 |
Correct |
1299 ms |
103076 KB |
Output is correct |
66 |
Correct |
452 ms |
102932 KB |
Output is correct |
67 |
Correct |
393 ms |
103096 KB |
Output is correct |
68 |
Correct |
389 ms |
103080 KB |
Output is correct |
69 |
Correct |
396 ms |
103212 KB |
Output is correct |
70 |
Correct |
389 ms |
103096 KB |
Output is correct |
71 |
Correct |
404 ms |
103160 KB |
Output is correct |
72 |
Correct |
382 ms |
103084 KB |
Output is correct |
73 |
Correct |
394 ms |
103108 KB |
Output is correct |
74 |
Correct |
381 ms |
103148 KB |
Output is correct |
75 |
Correct |
1526 ms |
330968 KB |
Output is correct |
76 |
Correct |
1471 ms |
331244 KB |
Output is correct |
77 |
Correct |
1421 ms |
331092 KB |
Output is correct |
78 |
Correct |
1413 ms |
330952 KB |
Output is correct |
79 |
Correct |
1690 ms |
331004 KB |
Output is correct |
80 |
Correct |
1456 ms |
330896 KB |
Output is correct |
81 |
Correct |
2255 ms |
330992 KB |
Output is correct |
82 |
Correct |
2192 ms |
331004 KB |
Output is correct |
83 |
Correct |
2175 ms |
330992 KB |
Output is correct |
84 |
Correct |
2414 ms |
331000 KB |
Output is correct |
85 |
Correct |
2246 ms |
330996 KB |
Output is correct |
86 |
Correct |
2140 ms |
331040 KB |
Output is correct |
87 |
Execution timed out |
3030 ms |
331132 KB |
Time limit exceeded |
88 |
Halted |
0 ms |
0 KB |
- |