답안 #312335

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
312335	2020-10-13T03:48:41 Z	ttnhuy313	Bootfall (IZhO17_bootfall)	C++14	100 / 100	878 ms	6452 KB

bootfall

#include <bits/stdc++.h>

using namespace std;

const int N = 505, MOD = 1e9 + 7;
int dp[N * N], cnt[N * N], a[N], n, tmp[N * N], h2[N * N], t2[N * N];

int main(int argc, char const *argv[])
{
	ios_base::sync_with_stdio(0); cin.tie(0);
	// freopen("IZhO17_bootfall.INP", "r", stdin);
	// freopen("IZhO17_bootfall.OUT", "w", stdout);

	cin >> n;
	int s = 0;
	for (int i = 1; i <= n; ++i) {
		cin >> a[i];
		s += a[i];
	}
	dp[0] = 1;
	for (int i = 1; i <= n; ++i) {
		for (int j = s; j >= 0; --j) if (a[i] <= j) {
			dp[j] += dp[j - a[i]];
		}
	}
	h2[0] = 1;
	for (int i = 1; i <= n; ++i) {
		for (int j = s; j >= 0; --j) if (a[i] <= j) {
			(h2[j] += h2[j - a[i]]) %= MOD;
		}
	}
	if (s & 1) {
		cout << 0 << endl;
		return 0;
	}
	if (dp[s / 2] == 0 && h2[s / 2] == 0) {
		cout << 0 << endl;
		return 0;
	}
	for (int i = 1; i <= n; ++i) {
		for (int j = 0; j <= s; ++j) tmp[j] = dp[j];
		tmp[a[i]]--;
		for (int j = a[i] + 1; j <= s; ++j)
			tmp[j] -= tmp[j - a[i]];
		for (int j = 0; j <= s; ++j) t2[j] = h2[j];
		t2[a[i]] = (t2[a[i]] - 1 + MOD) % MOD;
		for (int j = a[i] + 1; j <= s; ++j)
			t2[j] = (t2[j] - t2[j - a[i]] + MOD) % MOD;
		s -= a[i];
		// if (i == 3) cerr << "#" << (s - 155) / 2 << endl;
		for (int j = 0; j <= s / 2; ++j) if (tmp[j] != 0 && t2[j] != 0) {
			// if (s - 2 * j == 155) cerr << i << endl;
			cnt[s - 2 * j]++;
		}
		s += a[i];
	}
	vector <int> res; res.clear();
	for (int i = 1; i <= s; ++i) if (cnt[i] == n)
		res.push_back(i);
	cout << res.size() << endl;
	for (int v : res) cout << v << ' ';

	return 0;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 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

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 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	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 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	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 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	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 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	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	2 ms	512 KB	Output is correct
22	Correct	3 ms	512 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	4 ms	544 KB	Output is correct
25	Correct	7 ms	640 KB	Output is correct
26	Correct	8 ms	640 KB	Output is correct
27	Correct	7 ms	512 KB	Output is correct
28	Correct	7 ms	640 KB	Output is correct
29	Correct	8 ms	512 KB	Output is correct
30	Correct	4 ms	512 KB	Output is correct
31	Correct	6 ms	512 KB	Output is correct
32	Correct	4 ms	512 KB	Output is correct
33	Correct	8 ms	512 KB	Output is correct
34	Correct	8 ms	512 KB	Output is correct
35	Correct	8 ms	640 KB	Output is correct
36	Correct	4 ms	512 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 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	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 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	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	2 ms	512 KB	Output is correct
22	Correct	3 ms	512 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	4 ms	544 KB	Output is correct
25	Correct	7 ms	640 KB	Output is correct
26	Correct	8 ms	640 KB	Output is correct
27	Correct	7 ms	512 KB	Output is correct
28	Correct	7 ms	640 KB	Output is correct
29	Correct	8 ms	512 KB	Output is correct
30	Correct	4 ms	512 KB	Output is correct
31	Correct	6 ms	512 KB	Output is correct
32	Correct	4 ms	512 KB	Output is correct
33	Correct	8 ms	512 KB	Output is correct
34	Correct	8 ms	512 KB	Output is correct
35	Correct	8 ms	640 KB	Output is correct
36	Correct	4 ms	512 KB	Output is correct
37	Correct	28 ms	888 KB	Output is correct
38	Correct	30 ms	896 KB	Output is correct
39	Correct	106 ms	1528 KB	Output is correct
40	Correct	63 ms	1272 KB	Output is correct
41	Correct	136 ms	1784 KB	Output is correct
42	Correct	55 ms	1144 KB	Output is correct
43	Correct	97 ms	1784 KB	Output is correct
44	Correct	103 ms	1912 KB	Output is correct
45	Correct	103 ms	1912 KB	Output is correct
46	Correct	61 ms	1016 KB	Output is correct
47	Correct	59 ms	1272 KB	Output is correct
48	Correct	113 ms	1912 KB	Output is correct
49	Correct	110 ms	1624 KB	Output is correct
50	Correct	60 ms	1276 KB	Output is correct
51	Correct	25 ms	640 KB	Output is correct
52	Correct	138 ms	2172 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 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	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 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	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	2 ms	512 KB	Output is correct
22	Correct	3 ms	512 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	4 ms	544 KB	Output is correct
25	Correct	7 ms	640 KB	Output is correct
26	Correct	8 ms	640 KB	Output is correct
27	Correct	7 ms	512 KB	Output is correct
28	Correct	7 ms	640 KB	Output is correct
29	Correct	8 ms	512 KB	Output is correct
30	Correct	4 ms	512 KB	Output is correct
31	Correct	6 ms	512 KB	Output is correct
32	Correct	4 ms	512 KB	Output is correct
33	Correct	8 ms	512 KB	Output is correct
34	Correct	8 ms	512 KB	Output is correct
35	Correct	8 ms	640 KB	Output is correct
36	Correct	4 ms	512 KB	Output is correct
37	Correct	28 ms	888 KB	Output is correct
38	Correct	30 ms	896 KB	Output is correct
39	Correct	106 ms	1528 KB	Output is correct
40	Correct	63 ms	1272 KB	Output is correct
41	Correct	136 ms	1784 KB	Output is correct
42	Correct	55 ms	1144 KB	Output is correct
43	Correct	97 ms	1784 KB	Output is correct
44	Correct	103 ms	1912 KB	Output is correct
45	Correct	103 ms	1912 KB	Output is correct
46	Correct	61 ms	1016 KB	Output is correct
47	Correct	59 ms	1272 KB	Output is correct
48	Correct	113 ms	1912 KB	Output is correct
49	Correct	110 ms	1624 KB	Output is correct
50	Correct	60 ms	1276 KB	Output is correct
51	Correct	25 ms	640 KB	Output is correct
52	Correct	138 ms	2172 KB	Output is correct
53	Correct	98 ms	1656 KB	Output is correct
54	Correct	138 ms	1784 KB	Output is correct
55	Correct	284 ms	3272 KB	Output is correct
56	Correct	122 ms	1912 KB	Output is correct
57	Correct	294 ms	3320 KB	Output is correct
58	Correct	159 ms	2040 KB	Output is correct
59	Correct	191 ms	2296 KB	Output is correct
60	Correct	65 ms	780 KB	Output is correct
61	Correct	215 ms	2620 KB	Output is correct
62	Correct	218 ms	2800 KB	Output is correct
63	Correct	235 ms	3064 KB	Output is correct
64	Correct	227 ms	2936 KB	Output is correct
65	Correct	110 ms	1400 KB	Output is correct
66	Correct	115 ms	1528 KB	Output is correct

Subtask #6
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 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	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 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	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	2 ms	512 KB	Output is correct
22	Correct	3 ms	512 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	4 ms	544 KB	Output is correct
25	Correct	7 ms	640 KB	Output is correct
26	Correct	8 ms	640 KB	Output is correct
27	Correct	7 ms	512 KB	Output is correct
28	Correct	7 ms	640 KB	Output is correct
29	Correct	8 ms	512 KB	Output is correct
30	Correct	4 ms	512 KB	Output is correct
31	Correct	6 ms	512 KB	Output is correct
32	Correct	4 ms	512 KB	Output is correct
33	Correct	8 ms	512 KB	Output is correct
34	Correct	8 ms	512 KB	Output is correct
35	Correct	8 ms	640 KB	Output is correct
36	Correct	4 ms	512 KB	Output is correct
37	Correct	28 ms	888 KB	Output is correct
38	Correct	30 ms	896 KB	Output is correct
39	Correct	106 ms	1528 KB	Output is correct
40	Correct	63 ms	1272 KB	Output is correct
41	Correct	136 ms	1784 KB	Output is correct
42	Correct	55 ms	1144 KB	Output is correct
43	Correct	97 ms	1784 KB	Output is correct
44	Correct	103 ms	1912 KB	Output is correct
45	Correct	103 ms	1912 KB	Output is correct
46	Correct	61 ms	1016 KB	Output is correct
47	Correct	59 ms	1272 KB	Output is correct
48	Correct	113 ms	1912 KB	Output is correct
49	Correct	110 ms	1624 KB	Output is correct
50	Correct	60 ms	1276 KB	Output is correct
51	Correct	25 ms	640 KB	Output is correct
52	Correct	138 ms	2172 KB	Output is correct
53	Correct	98 ms	1656 KB	Output is correct
54	Correct	138 ms	1784 KB	Output is correct
55	Correct	284 ms	3272 KB	Output is correct
56	Correct	122 ms	1912 KB	Output is correct
57	Correct	294 ms	3320 KB	Output is correct
58	Correct	159 ms	2040 KB	Output is correct
59	Correct	191 ms	2296 KB	Output is correct
60	Correct	65 ms	780 KB	Output is correct
61	Correct	215 ms	2620 KB	Output is correct
62	Correct	218 ms	2800 KB	Output is correct
63	Correct	235 ms	3064 KB	Output is correct
64	Correct	227 ms	2936 KB	Output is correct
65	Correct	110 ms	1400 KB	Output is correct
66	Correct	115 ms	1528 KB	Output is correct
67	Correct	233 ms	2552 KB	Output is correct
68	Correct	184 ms	1400 KB	Output is correct
69	Correct	755 ms	5748 KB	Output is correct
70	Correct	450 ms	3704 KB	Output is correct
71	Correct	440 ms	3704 KB	Output is correct
72	Correct	443 ms	2936 KB	Output is correct
73	Correct	434 ms	2792 KB	Output is correct
74	Correct	801 ms	6004 KB	Output is correct
75	Correct	628 ms	4852 KB	Output is correct
76	Correct	878 ms	6388 KB	Output is correct
77	Correct	852 ms	6452 KB	Output is correct

답안 #312335

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 15.0 / 15.0

Subtask #4 16.0 / 16.0

Subtask #5 21.0 / 21.0

Subtask #6 35.0 / 35.0

Subtask #1
6.0 / 6.0

Subtask #2
7.0 / 7.0

Subtask #3
15.0 / 15.0

Subtask #4
16.0 / 16.0

Subtask #5
21.0 / 21.0

Subtask #6
35.0 / 35.0