답안 #300292

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
300292	2020-09-17T04:27:23 Z	ecnerwala	슈퍼트리 잇기 (IOI20_supertrees)	C++17	100 / 100	272 ms	22284 KB

supertrees

#include "supertrees.h"
#include <bits/stdc++.h>

int construct(std::vector<std::vector<int>> P) {
	int N = int(P.size());
	std::vector<std::vector<int>> answer(N, std::vector<int>(N, 0));

	for (int i = 0; i < N; i++) {
		for (int j = 0; j < N; j++) {
			assert(P[i][j] == P[j][i]);
			assert(0 <= P[i][j] && P[i][j] <= 3);
			if (P[i][j] == 3) return false;
		}
	}

	std::vector<bool> is_root(N, false);
	// check rectangles of 1's
	for (int i = 0; i < N; i++) {
		assert(P[i][i] == 1);

		int cc = 0;
		while (P[i][cc] != 1) cc++;

		if (cc != i) {
			if (P[i] != P[cc]) {
				return false;
			}

			answer[i][cc] = answer[cc][i] = true;
		} else {
			is_root[i] = true;
		}
	}

	// check rectangles of nonzero's
	for (int i = 0; i < N; i++) {
		if (!is_root[i]) continue;

		int cc = 0;
		while (P[i][cc] == 0) cc++;
		for (int j = 0; j < N; j++) {
			if ((P[i][j] == 0) != (P[cc][j] == 0)) {
				return false;
			}
		}

		if (cc == i) {
			int prv = i;
			for (int j = i+1; j < N; j++) {
				if (is_root[j] && P[i][j]) {
					answer[prv][j] = answer[j][prv] = true;
					prv = j;
				}
			}
			if (prv == i) {
				// do nothing
			} else if (answer[i][prv]) {
				return false;
			} else {
				answer[i][prv] = answer[prv][i] = true;
			}
		}
	}

	build(answer); return true;
}

Subtask #1
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	288 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	11 ms	1152 KB	Output is correct
7	Correct	272 ms	22264 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	288 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	11 ms	1152 KB	Output is correct
7	Correct	272 ms	22264 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	16 ms	1152 KB	Output is correct
13	Correct	245 ms	22136 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	1 ms	256 KB	Output is correct
16	Correct	5 ms	768 KB	Output is correct
17	Correct	165 ms	12152 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct
19	Correct	1 ms	256 KB	Output is correct
20	Correct	66 ms	5756 KB	Output is correct
21	Correct	242 ms	22136 KB	Output is correct
22	Correct	258 ms	22136 KB	Output is correct
23	Correct	265 ms	22136 KB	Output is correct
24	Correct	242 ms	22136 KB	Output is correct
25	Correct	110 ms	12152 KB	Output is correct
26	Correct	112 ms	12152 KB	Output is correct
27	Correct	255 ms	22136 KB	Output is correct
28	Correct	252 ms	22136 KB	Output is correct

Subtask #3
19.0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	288 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	1 ms	360 KB	Output is correct
7	Correct	1 ms	256 KB	Output is correct
8	Correct	10 ms	1152 KB	Output is correct
9	Correct	260 ms	22264 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	11 ms	1152 KB	Output is correct
13	Correct	259 ms	22136 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	1 ms	256 KB	Output is correct
16	Correct	5 ms	768 KB	Output is correct
17	Correct	118 ms	12152 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct
19	Correct	1 ms	256 KB	Output is correct
20	Correct	1 ms	256 KB	Output is correct
21	Correct	62 ms	5752 KB	Output is correct
22	Correct	251 ms	22136 KB	Output is correct
23	Correct	246 ms	22136 KB	Output is correct
24	Correct	262 ms	22136 KB	Output is correct
25	Correct	121 ms	12060 KB	Output is correct
26	Correct	107 ms	12152 KB	Output is correct
27	Correct	245 ms	22136 KB	Output is correct
28	Correct	255 ms	22232 KB	Output is correct
29	Correct	105 ms	12156 KB	Output is correct

Subtask #4
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	61 ms	5752 KB	Output is correct
5	Correct	257 ms	22136 KB	Output is correct
6	Correct	250 ms	22136 KB	Output is correct
7	Correct	256 ms	22136 KB	Output is correct
8	Correct	0 ms	256 KB	Output is correct
9	Correct	61 ms	5752 KB	Output is correct
10	Correct	245 ms	22264 KB	Output is correct
11	Correct	248 ms	22136 KB	Output is correct
12	Correct	256 ms	22136 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	1 ms	256 KB	Output is correct
16	Correct	61 ms	5880 KB	Output is correct
17	Correct	243 ms	22136 KB	Output is correct
18	Correct	250 ms	22136 KB	Output is correct
19	Correct	252 ms	22136 KB	Output is correct
20	Correct	247 ms	22284 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	288 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	11 ms	1152 KB	Output is correct
7	Correct	272 ms	22264 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	16 ms	1152 KB	Output is correct
13	Correct	245 ms	22136 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	1 ms	256 KB	Output is correct
16	Correct	5 ms	768 KB	Output is correct
17	Correct	165 ms	12152 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct
19	Correct	1 ms	256 KB	Output is correct
20	Correct	66 ms	5756 KB	Output is correct
21	Correct	242 ms	22136 KB	Output is correct
22	Correct	258 ms	22136 KB	Output is correct
23	Correct	265 ms	22136 KB	Output is correct
24	Correct	242 ms	22136 KB	Output is correct
25	Correct	110 ms	12152 KB	Output is correct
26	Correct	112 ms	12152 KB	Output is correct
27	Correct	255 ms	22136 KB	Output is correct
28	Correct	252 ms	22136 KB	Output is correct
29	Correct	1 ms	256 KB	Output is correct
30	Correct	1 ms	288 KB	Output is correct
31	Correct	1 ms	384 KB	Output is correct
32	Correct	1 ms	256 KB	Output is correct
33	Correct	1 ms	256 KB	Output is correct
34	Correct	1 ms	360 KB	Output is correct
35	Correct	1 ms	256 KB	Output is correct
36	Correct	10 ms	1152 KB	Output is correct
37	Correct	260 ms	22264 KB	Output is correct
38	Correct	1 ms	384 KB	Output is correct
39	Correct	1 ms	384 KB	Output is correct
40	Correct	11 ms	1152 KB	Output is correct
41	Correct	259 ms	22136 KB	Output is correct
42	Correct	1 ms	256 KB	Output is correct
43	Correct	1 ms	256 KB	Output is correct
44	Correct	5 ms	768 KB	Output is correct
45	Correct	118 ms	12152 KB	Output is correct
46	Correct	1 ms	256 KB	Output is correct
47	Correct	1 ms	256 KB	Output is correct
48	Correct	1 ms	256 KB	Output is correct
49	Correct	62 ms	5752 KB	Output is correct
50	Correct	251 ms	22136 KB	Output is correct
51	Correct	246 ms	22136 KB	Output is correct
52	Correct	262 ms	22136 KB	Output is correct
53	Correct	121 ms	12060 KB	Output is correct
54	Correct	107 ms	12152 KB	Output is correct
55	Correct	245 ms	22136 KB	Output is correct
56	Correct	255 ms	22232 KB	Output is correct
57	Correct	105 ms	12156 KB	Output is correct
58	Correct	1 ms	256 KB	Output is correct
59	Correct	1 ms	256 KB	Output is correct
60	Correct	5 ms	768 KB	Output is correct
61	Correct	116 ms	12152 KB	Output is correct
62	Correct	0 ms	256 KB	Output is correct
63	Correct	1 ms	256 KB	Output is correct
64	Correct	1 ms	256 KB	Output is correct
65	Correct	61 ms	5752 KB	Output is correct
66	Correct	107 ms	12152 KB	Output is correct
67	Correct	107 ms	12152 KB	Output is correct
68	Correct	109 ms	12152 KB	Output is correct
69	Correct	106 ms	12152 KB	Output is correct

Subtask #6
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	288 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	11 ms	1152 KB	Output is correct
7	Correct	272 ms	22264 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	16 ms	1152 KB	Output is correct
13	Correct	245 ms	22136 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	1 ms	256 KB	Output is correct
16	Correct	5 ms	768 KB	Output is correct
17	Correct	165 ms	12152 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct
19	Correct	1 ms	256 KB	Output is correct
20	Correct	66 ms	5756 KB	Output is correct
21	Correct	242 ms	22136 KB	Output is correct
22	Correct	258 ms	22136 KB	Output is correct
23	Correct	265 ms	22136 KB	Output is correct
24	Correct	242 ms	22136 KB	Output is correct
25	Correct	110 ms	12152 KB	Output is correct
26	Correct	112 ms	12152 KB	Output is correct
27	Correct	255 ms	22136 KB	Output is correct
28	Correct	252 ms	22136 KB	Output is correct
29	Correct	1 ms	256 KB	Output is correct
30	Correct	1 ms	288 KB	Output is correct
31	Correct	1 ms	384 KB	Output is correct
32	Correct	1 ms	256 KB	Output is correct
33	Correct	1 ms	256 KB	Output is correct
34	Correct	1 ms	360 KB	Output is correct
35	Correct	1 ms	256 KB	Output is correct
36	Correct	10 ms	1152 KB	Output is correct
37	Correct	260 ms	22264 KB	Output is correct
38	Correct	1 ms	384 KB	Output is correct
39	Correct	1 ms	384 KB	Output is correct
40	Correct	11 ms	1152 KB	Output is correct
41	Correct	259 ms	22136 KB	Output is correct
42	Correct	1 ms	256 KB	Output is correct
43	Correct	1 ms	256 KB	Output is correct
44	Correct	5 ms	768 KB	Output is correct
45	Correct	118 ms	12152 KB	Output is correct
46	Correct	1 ms	256 KB	Output is correct
47	Correct	1 ms	256 KB	Output is correct
48	Correct	1 ms	256 KB	Output is correct
49	Correct	62 ms	5752 KB	Output is correct
50	Correct	251 ms	22136 KB	Output is correct
51	Correct	246 ms	22136 KB	Output is correct
52	Correct	262 ms	22136 KB	Output is correct
53	Correct	121 ms	12060 KB	Output is correct
54	Correct	107 ms	12152 KB	Output is correct
55	Correct	245 ms	22136 KB	Output is correct
56	Correct	255 ms	22232 KB	Output is correct
57	Correct	105 ms	12156 KB	Output is correct
58	Correct	1 ms	256 KB	Output is correct
59	Correct	1 ms	256 KB	Output is correct
60	Correct	1 ms	256 KB	Output is correct
61	Correct	61 ms	5752 KB	Output is correct
62	Correct	257 ms	22136 KB	Output is correct
63	Correct	250 ms	22136 KB	Output is correct
64	Correct	256 ms	22136 KB	Output is correct
65	Correct	0 ms	256 KB	Output is correct
66	Correct	61 ms	5752 KB	Output is correct
67	Correct	245 ms	22264 KB	Output is correct
68	Correct	248 ms	22136 KB	Output is correct
69	Correct	256 ms	22136 KB	Output is correct
70	Correct	1 ms	384 KB	Output is correct
71	Correct	1 ms	256 KB	Output is correct
72	Correct	1 ms	256 KB	Output is correct
73	Correct	61 ms	5880 KB	Output is correct
74	Correct	243 ms	22136 KB	Output is correct
75	Correct	250 ms	22136 KB	Output is correct
76	Correct	252 ms	22136 KB	Output is correct
77	Correct	247 ms	22284 KB	Output is correct
78	Correct	1 ms	256 KB	Output is correct
79	Correct	1 ms	256 KB	Output is correct
80	Correct	5 ms	768 KB	Output is correct
81	Correct	116 ms	12152 KB	Output is correct
82	Correct	0 ms	256 KB	Output is correct
83	Correct	1 ms	256 KB	Output is correct
84	Correct	1 ms	256 KB	Output is correct
85	Correct	61 ms	5752 KB	Output is correct
86	Correct	107 ms	12152 KB	Output is correct
87	Correct	107 ms	12152 KB	Output is correct
88	Correct	109 ms	12152 KB	Output is correct
89	Correct	106 ms	12152 KB	Output is correct
90	Correct	1 ms	256 KB	Output is correct
91	Correct	1 ms	256 KB	Output is correct
92	Correct	5 ms	768 KB	Output is correct
93	Correct	118 ms	12152 KB	Output is correct
94	Correct	1 ms	256 KB	Output is correct
95	Correct	1 ms	256 KB	Output is correct
96	Correct	0 ms	256 KB	Output is correct
97	Correct	26 ms	3328 KB	Output is correct
98	Correct	111 ms	12152 KB	Output is correct
99	Correct	107 ms	12152 KB	Output is correct
100	Correct	103 ms	12152 KB	Output is correct
101	Correct	107 ms	12152 KB	Output is correct
102	Correct	114 ms	12280 KB	Output is correct
103	Correct	114 ms	12152 KB	Output is correct
104	Correct	116 ms	12152 KB	Output is correct
105	Correct	115 ms	12152 KB	Output is correct

답안 #300292

Compilation message

Subtask #1 11.0 / 11.0

Subtask #2 10.0 / 10.0

Subtask #3 19.0 / 19.0

Subtask #4 35.0 / 35.0

Subtask #5 21.0 / 21.0

Subtask #6 4.0 / 4.0

Subtask #1
11.0 / 11.0

Subtask #2
10.0 / 10.0

Subtask #3
19.0 / 19.0

Subtask #4
35.0 / 35.0

Subtask #5
21.0 / 21.0

Subtask #6
4.0 / 4.0