답안 #49668 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
49668	2018-06-01T19:22:53 Z	gs14004	원 고르기 (APIO18_circle_selection)	C++17	100 / 100	1852 ms	24476 KB

circle_selection

#include <bits/stdc++.h>
using namespace std;
const int MAXN = 300005;
const int offs = 1e9 + 100;
using pi = pair<int, int>;

struct circ{
	int x, y, r, idx;
	bool operator<(const circ &c)const{
		return pi(x, y) < pi(c.x, c.y);
	}
}a[MAXN], orig_pos[MAXN];

int n, ans[MAXN];

int main(){
	scanf("%d",&n);
	for(int i=0; i<n; i++){
		scanf("%d %d %d",&a[i].x,&a[i].y,&a[i].r);
		a[i].x += offs;
		a[i].y += offs;
		a[i].idx = i + 1;
		orig_pos[i + 1] = a[i];
	}
	auto inter = [&](circ a, circ b){
		int dx = a.x - b.x;
		int dy = a.y - b.y;
		int dr = a.r + b.r;
		return 1ll * dx * dx + 1ll * dy * dy <= 1ll * dr * dr;
	};
	sort(a, a+n, [&](const circ &a, const circ &b){
		return pi(-a.r, a.idx) < pi(-b.r, b.idx);
	});
	for(int i=30; i; i--){
		int lb = (1 << (i - 1)), rb = (1 << i) - 1;
		vector<circ> v;
		for(int j=0; j<n; j++){
			if(!ans[a[j].idx] && a[j].r <= rb){
				v.push_back((circ){a[j].x >> i, a[j].y >> i, a[j].r, a[j].idx});
			}
		}
		sort(v.begin(), v.end());
		for(int j=0; j<n; j++){
			if(!ans[a[j].idx] && a[j].r <= rb && a[j].r >= lb){
				for(int k=-2; k<=2; k++){
					int px = (a[j].x >> i) + k;
					int py = (a[j].y >> i) - 2;
					auto itr = lower_bound(v.begin(), v.end(), (circ){px, py, -1, -1}) - v.begin();
					while(itr < v.size() && pi(v[itr].x, v[itr].y) <= pi(px, py + 4)){
						if(inter(orig_pos[v[itr].idx], a[j])){
							if(!ans[v[itr].idx]) ans[v[itr].idx] = a[j].idx;
						}
						itr++;
					}
				}
			}
		}
	}
	for(int i=1; i<=n; i++) printf("%d ", ans[i]);
}

Compilation message

circle_selection.cpp: In function 'int main()':
circle_selection.cpp:49:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
      while(itr < v.size() && pi(v[itr].x, v[itr].y) <= pi(px, py + 4)){
            ~~~~^~~~~~~~~~
circle_selection.cpp:17:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
circle_selection.cpp:19:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d",&a[i].x,&a[i].y,&a[i].r);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	428 KB	Output is correct
4	Correct	2 ms	480 KB	Output is correct
5	Correct	2 ms	480 KB	Output is correct
6	Correct	2 ms	480 KB	Output is correct
7	Correct	2 ms	512 KB	Output is correct
8	Correct	2 ms	512 KB	Output is correct
9	Correct	2 ms	736 KB	Output is correct
10	Correct	2 ms	736 KB	Output is correct
11	Correct	2 ms	736 KB	Output is correct
12	Correct	2 ms	736 KB	Output is correct
13	Correct	2 ms	736 KB	Output is correct
14	Correct	3 ms	744 KB	Output is correct
15	Correct	3 ms	744 KB	Output is correct
16	Correct	3 ms	744 KB	Output is correct
17	Correct	4 ms	744 KB	Output is correct
18	Correct	3 ms	744 KB	Output is correct
19	Correct	7 ms	1020 KB	Output is correct
20	Correct	6 ms	1020 KB	Output is correct
21	Correct	6 ms	1036 KB	Output is correct
22	Correct	18 ms	1036 KB	Output is correct
23	Correct	17 ms	1040 KB	Output is correct
24	Correct	18 ms	1040 KB	Output is correct
25	Correct	19 ms	1132 KB	Output is correct
26	Correct	17 ms	1132 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	291 ms	24112 KB	Output is correct
2	Correct	341 ms	24268 KB	Output is correct
3	Correct	340 ms	24268 KB	Output is correct
4	Correct	310 ms	24268 KB	Output is correct
5	Correct	908 ms	24272 KB	Output is correct
6	Correct	1101 ms	24272 KB	Output is correct
7	Correct	1008 ms	24272 KB	Output is correct
8	Correct	984 ms	24272 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	24272 KB	Output is correct
2	Correct	366 ms	24272 KB	Output is correct
3	Correct	1241 ms	24344 KB	Output is correct
4	Correct	1198 ms	24344 KB	Output is correct
5	Correct	1080 ms	24344 KB	Output is correct
6	Correct	551 ms	24344 KB	Output is correct
7	Correct	243 ms	24344 KB	Output is correct
8	Correct	53 ms	24344 KB	Output is correct
9	Correct	1166 ms	24344 KB	Output is correct
10	Correct	943 ms	24344 KB	Output is correct

Subtask #4
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1357 ms	24344 KB	Output is correct
2	Correct	1852 ms	24344 KB	Output is correct
3	Correct	607 ms	24344 KB	Output is correct
4	Correct	1340 ms	24356 KB	Output is correct
5	Correct	1350 ms	24356 KB	Output is correct
6	Correct	501 ms	24356 KB	Output is correct

Subtask #5
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	428 KB	Output is correct
4	Correct	2 ms	480 KB	Output is correct
5	Correct	2 ms	480 KB	Output is correct
6	Correct	2 ms	480 KB	Output is correct
7	Correct	2 ms	512 KB	Output is correct
8	Correct	2 ms	512 KB	Output is correct
9	Correct	2 ms	736 KB	Output is correct
10	Correct	2 ms	736 KB	Output is correct
11	Correct	2 ms	736 KB	Output is correct
12	Correct	2 ms	736 KB	Output is correct
13	Correct	2 ms	736 KB	Output is correct
14	Correct	3 ms	744 KB	Output is correct
15	Correct	3 ms	744 KB	Output is correct
16	Correct	3 ms	744 KB	Output is correct
17	Correct	4 ms	744 KB	Output is correct
18	Correct	3 ms	744 KB	Output is correct
19	Correct	7 ms	1020 KB	Output is correct
20	Correct	6 ms	1020 KB	Output is correct
21	Correct	6 ms	1036 KB	Output is correct
22	Correct	18 ms	1036 KB	Output is correct
23	Correct	17 ms	1040 KB	Output is correct
24	Correct	18 ms	1040 KB	Output is correct
25	Correct	19 ms	1132 KB	Output is correct
26	Correct	17 ms	1132 KB	Output is correct
27	Correct	13 ms	24356 KB	Output is correct
28	Correct	13 ms	24356 KB	Output is correct
29	Correct	12 ms	24356 KB	Output is correct
30	Correct	38 ms	24356 KB	Output is correct
31	Correct	36 ms	24356 KB	Output is correct
32	Correct	35 ms	24356 KB	Output is correct
33	Correct	107 ms	24356 KB	Output is correct
34	Correct	115 ms	24356 KB	Output is correct
35	Correct	155 ms	24356 KB	Output is correct
36	Correct	425 ms	24356 KB	Output is correct
37	Correct	396 ms	24356 KB	Output is correct
38	Correct	390 ms	24356 KB	Output is correct
39	Correct	428 ms	24356 KB	Output is correct
40	Correct	476 ms	24356 KB	Output is correct
41	Correct	380 ms	24356 KB	Output is correct
42	Correct	289 ms	24356 KB	Output is correct
43	Correct	377 ms	24356 KB	Output is correct
44	Correct	392 ms	24356 KB	Output is correct
45	Correct	365 ms	24356 KB	Output is correct
46	Correct	361 ms	24356 KB	Output is correct
47	Correct	355 ms	24356 KB	Output is correct
48	Correct	367 ms	24356 KB	Output is correct
49	Correct	359 ms	24356 KB	Output is correct
50	Correct	359 ms	24356 KB	Output is correct

Subtask #6
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	428 KB	Output is correct
4	Correct	2 ms	480 KB	Output is correct
5	Correct	2 ms	480 KB	Output is correct
6	Correct	2 ms	480 KB	Output is correct
7	Correct	2 ms	512 KB	Output is correct
8	Correct	2 ms	512 KB	Output is correct
9	Correct	2 ms	736 KB	Output is correct
10	Correct	2 ms	736 KB	Output is correct
11	Correct	2 ms	736 KB	Output is correct
12	Correct	2 ms	736 KB	Output is correct
13	Correct	2 ms	736 KB	Output is correct
14	Correct	3 ms	744 KB	Output is correct
15	Correct	3 ms	744 KB	Output is correct
16	Correct	3 ms	744 KB	Output is correct
17	Correct	4 ms	744 KB	Output is correct
18	Correct	3 ms	744 KB	Output is correct
19	Correct	7 ms	1020 KB	Output is correct
20	Correct	6 ms	1020 KB	Output is correct
21	Correct	6 ms	1036 KB	Output is correct
22	Correct	18 ms	1036 KB	Output is correct
23	Correct	17 ms	1040 KB	Output is correct
24	Correct	18 ms	1040 KB	Output is correct
25	Correct	19 ms	1132 KB	Output is correct
26	Correct	17 ms	1132 KB	Output is correct
27	Correct	291 ms	24112 KB	Output is correct
28	Correct	341 ms	24268 KB	Output is correct
29	Correct	340 ms	24268 KB	Output is correct
30	Correct	310 ms	24268 KB	Output is correct
31	Correct	908 ms	24272 KB	Output is correct
32	Correct	1101 ms	24272 KB	Output is correct
33	Correct	1008 ms	24272 KB	Output is correct
34	Correct	984 ms	24272 KB	Output is correct
35	Correct	2 ms	24272 KB	Output is correct
36	Correct	366 ms	24272 KB	Output is correct
37	Correct	1241 ms	24344 KB	Output is correct
38	Correct	1198 ms	24344 KB	Output is correct
39	Correct	1080 ms	24344 KB	Output is correct
40	Correct	551 ms	24344 KB	Output is correct
41	Correct	243 ms	24344 KB	Output is correct
42	Correct	53 ms	24344 KB	Output is correct
43	Correct	1166 ms	24344 KB	Output is correct
44	Correct	943 ms	24344 KB	Output is correct
45	Correct	1357 ms	24344 KB	Output is correct
46	Correct	1852 ms	24344 KB	Output is correct
47	Correct	607 ms	24344 KB	Output is correct
48	Correct	1340 ms	24356 KB	Output is correct
49	Correct	1350 ms	24356 KB	Output is correct
50	Correct	501 ms	24356 KB	Output is correct
51	Correct	13 ms	24356 KB	Output is correct
52	Correct	13 ms	24356 KB	Output is correct
53	Correct	12 ms	24356 KB	Output is correct
54	Correct	38 ms	24356 KB	Output is correct
55	Correct	36 ms	24356 KB	Output is correct
56	Correct	35 ms	24356 KB	Output is correct
57	Correct	107 ms	24356 KB	Output is correct
58	Correct	115 ms	24356 KB	Output is correct
59	Correct	155 ms	24356 KB	Output is correct
60	Correct	425 ms	24356 KB	Output is correct
61	Correct	396 ms	24356 KB	Output is correct
62	Correct	390 ms	24356 KB	Output is correct
63	Correct	428 ms	24356 KB	Output is correct
64	Correct	476 ms	24356 KB	Output is correct
65	Correct	380 ms	24356 KB	Output is correct
66	Correct	289 ms	24356 KB	Output is correct
67	Correct	377 ms	24356 KB	Output is correct
68	Correct	392 ms	24356 KB	Output is correct
69	Correct	365 ms	24356 KB	Output is correct
70	Correct	361 ms	24356 KB	Output is correct
71	Correct	355 ms	24356 KB	Output is correct
72	Correct	367 ms	24356 KB	Output is correct
73	Correct	359 ms	24356 KB	Output is correct
74	Correct	359 ms	24356 KB	Output is correct
75	Correct	361 ms	24356 KB	Output is correct
76	Correct	437 ms	24356 KB	Output is correct
77	Correct	407 ms	24356 KB	Output is correct
78	Correct	351 ms	24356 KB	Output is correct
79	Correct	542 ms	24356 KB	Output is correct
80	Correct	324 ms	24356 KB	Output is correct
81	Correct	1353 ms	24356 KB	Output is correct
82	Correct	1321 ms	24356 KB	Output is correct
83	Correct	1295 ms	24356 KB	Output is correct
84	Correct	1287 ms	24356 KB	Output is correct
85	Correct	1296 ms	24424 KB	Output is correct
86	Correct	1368 ms	24424 KB	Output is correct
87	Correct	1299 ms	24424 KB	Output is correct
88	Correct	1335 ms	24424 KB	Output is correct
89	Correct	1312 ms	24476 KB	Output is correct
90	Correct	1218 ms	24476 KB	Output is correct
91	Correct	1345 ms	24476 KB	Output is correct
92	Correct	1366 ms	24476 KB	Output is correct
93	Correct	1437 ms	24476 KB	Output is correct
94	Correct	1393 ms	24476 KB	Output is correct
95	Correct	1373 ms	24476 KB	Output is correct
96	Correct	1311 ms	24476 KB	Output is correct
97	Correct	1561 ms	24476 KB	Output is correct
98	Correct	1115 ms	24476 KB	Output is correct
99	Correct	1429 ms	24476 KB	Output is correct
100	Correct	1498 ms	24476 KB	Output is correct
101	Correct	1127 ms	24476 KB	Output is correct
102	Correct	1356 ms	24476 KB	Output is correct
103	Correct	1581 ms	24476 KB	Output is correct
104	Correct	1590 ms	24476 KB	Output is correct
105	Correct	961 ms	24476 KB	Output is correct
106	Correct	1207 ms	24476 KB	Output is correct
107	Correct	1187 ms	24476 KB	Output is correct
108	Correct	1267 ms	24476 KB	Output is correct
109	Correct	1213 ms	24476 KB	Output is correct
110	Correct	1208 ms	24476 KB	Output is correct
111	Correct	1188 ms	24476 KB	Output is correct
112	Correct	1284 ms	24476 KB	Output is correct
113	Correct	1219 ms	24476 KB	Output is correct
114	Correct	1295 ms	24476 KB	Output is correct
115	Correct	1217 ms	24476 KB	Output is correct
116	Correct	1129 ms	24476 KB	Output is correct

답안 #49668

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 12.0 / 12.0

Subtask #3 15.0 / 15.0

Subtask #4 23.0 / 23.0

Subtask #5 30.0 / 30.0

Subtask #6 13.0 / 13.0

Subtask #1
7.0 / 7.0

Subtask #2
12.0 / 12.0

Subtask #3
15.0 / 15.0

Subtask #4
23.0 / 23.0

Subtask #5
30.0 / 30.0

Subtask #6
13.0 / 13.0