답안 #759748

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
759748	2023-06-16T18:23:03 Z	NK_	Bootfall (IZhO17_bootfall)	C++17	100 / 100	42 ms	2652 KB

bootfall

// Success consists of going from failure to failure without loss of enthusiasm
#include <bits/stdc++.h>

using namespace std;

#define nl '\n'

const int nax = 505;
const int kax = nax * nax;

int main() {
	cin.tie(0)->sync_with_stdio(0);
	
	int N; cin >> N;
	vector<int> A(N); for(auto& x : A) cin >> x;

	bitset<kax> ans; ans.set();

	function<void(int, int, bitset<kax>&)> dnc = [&](int l, int r, bitset<kax>& dp) {
		// cout << l << " " << r << endl;
		int m = (l + r) / 2;

		if (l > r) return;

		if (l == r) {
			dp <<= A[l];
			ans &= dp;
			return;
		}

		bitset<kax> ndp;
		// GO LEFT
		ndp = dp;
		for(int x = m + 1; x <= r; x++) ndp |= (ndp << 2*A[x]);
		dnc(l, m, ndp);

		// GO RIGHT
		ndp = dp;
		for(int x = l; x <= m; x++) ndp |= (ndp << 2*A[x]);
		dnc(m+1, r, ndp);
	};

	int S = accumulate(begin(A), end(A), 0);

	if (S % 2) {
		cout << 0 << nl;
		return 0;
	}

	bitset<kax> dp; dp[0] = 1;
	for(auto x : A) dp |= (dp << x);

	if (!dp[S / 2]) {
		cout << 0 << nl;
		return 0;
	}

	dp.reset(); dp[0] = 1;
	dnc(0, N - 1, dp);

	vector<int> ANS;
	for(int SUM = 0; SUM <= S; SUM++) if (ans[SUM]) ANS.push_back(S - SUM);
	reverse(begin(ANS), end(ANS));

	cout << size(ANS) << nl;
	for(auto x : ANS) cout << x << " ";
	cout << nl;

    return 0;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	596 KB	Output is correct
2	Correct	1 ms	724 KB	Output is correct
3	Correct	1 ms	444 KB	Output is correct
4	Correct	1 ms	596 KB	Output is correct
5	Correct	1 ms	852 KB	Output is correct
6	Correct	1 ms	724 KB	Output is correct
7	Correct	1 ms	724 KB	Output is correct
8	Correct	1 ms	824 KB	Output is correct
9	Correct	2 ms	852 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	596 KB	Output is correct
2	Correct	1 ms	724 KB	Output is correct
3	Correct	1 ms	444 KB	Output is correct
4	Correct	1 ms	596 KB	Output is correct
5	Correct	1 ms	852 KB	Output is correct
6	Correct	1 ms	724 KB	Output is correct
7	Correct	1 ms	724 KB	Output is correct
8	Correct	1 ms	824 KB	Output is correct
9	Correct	2 ms	852 KB	Output is correct
10	Correct	2 ms	980 KB	Output is correct
11	Correct	2 ms	980 KB	Output is correct
12	Correct	2 ms	952 KB	Output is correct
13	Correct	2 ms	948 KB	Output is correct
14	Correct	2 ms	980 KB	Output is correct
15	Correct	2 ms	980 KB	Output is correct
16	Correct	2 ms	956 KB	Output is correct
17	Correct	2 ms	980 KB	Output is correct
18	Correct	2 ms	980 KB	Output is correct
19	Correct	2 ms	908 KB	Output is correct
20	Correct	2 ms	980 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	596 KB	Output is correct
2	Correct	1 ms	724 KB	Output is correct
3	Correct	1 ms	444 KB	Output is correct
4	Correct	1 ms	596 KB	Output is correct
5	Correct	1 ms	852 KB	Output is correct
6	Correct	1 ms	724 KB	Output is correct
7	Correct	1 ms	724 KB	Output is correct
8	Correct	1 ms	824 KB	Output is correct
9	Correct	2 ms	852 KB	Output is correct
10	Correct	2 ms	980 KB	Output is correct
11	Correct	2 ms	980 KB	Output is correct
12	Correct	2 ms	952 KB	Output is correct
13	Correct	2 ms	948 KB	Output is correct
14	Correct	2 ms	980 KB	Output is correct
15	Correct	2 ms	980 KB	Output is correct
16	Correct	2 ms	956 KB	Output is correct
17	Correct	2 ms	980 KB	Output is correct
18	Correct	2 ms	980 KB	Output is correct
19	Correct	2 ms	908 KB	Output is correct
20	Correct	2 ms	980 KB	Output is correct
21	Correct	4 ms	1108 KB	Output is correct
22	Correct	6 ms	1212 KB	Output is correct
23	Correct	4 ms	1108 KB	Output is correct
24	Correct	6 ms	1192 KB	Output is correct
25	Correct	6 ms	1236 KB	Output is correct
26	Correct	8 ms	1208 KB	Output is correct
27	Correct	6 ms	1216 KB	Output is correct
28	Correct	6 ms	1192 KB	Output is correct
29	Correct	6 ms	1192 KB	Output is correct
30	Correct	6 ms	1108 KB	Output is correct
31	Correct	6 ms	1188 KB	Output is correct
32	Correct	6 ms	1208 KB	Output is correct
33	Correct	6 ms	1108 KB	Output is correct
34	Correct	9 ms	1144 KB	Output is correct
35	Correct	6 ms	1080 KB	Output is correct
36	Correct	7 ms	1236 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	596 KB	Output is correct
2	Correct	1 ms	724 KB	Output is correct
3	Correct	1 ms	444 KB	Output is correct
4	Correct	1 ms	596 KB	Output is correct
5	Correct	1 ms	852 KB	Output is correct
6	Correct	1 ms	724 KB	Output is correct
7	Correct	1 ms	724 KB	Output is correct
8	Correct	1 ms	824 KB	Output is correct
9	Correct	2 ms	852 KB	Output is correct
10	Correct	2 ms	980 KB	Output is correct
11	Correct	2 ms	980 KB	Output is correct
12	Correct	2 ms	952 KB	Output is correct
13	Correct	2 ms	948 KB	Output is correct
14	Correct	2 ms	980 KB	Output is correct
15	Correct	2 ms	980 KB	Output is correct
16	Correct	2 ms	956 KB	Output is correct
17	Correct	2 ms	980 KB	Output is correct
18	Correct	2 ms	980 KB	Output is correct
19	Correct	2 ms	908 KB	Output is correct
20	Correct	2 ms	980 KB	Output is correct
21	Correct	4 ms	1108 KB	Output is correct
22	Correct	6 ms	1212 KB	Output is correct
23	Correct	4 ms	1108 KB	Output is correct
24	Correct	6 ms	1192 KB	Output is correct
25	Correct	6 ms	1236 KB	Output is correct
26	Correct	8 ms	1208 KB	Output is correct
27	Correct	6 ms	1216 KB	Output is correct
28	Correct	6 ms	1192 KB	Output is correct
29	Correct	6 ms	1192 KB	Output is correct
30	Correct	6 ms	1108 KB	Output is correct
31	Correct	6 ms	1188 KB	Output is correct
32	Correct	6 ms	1208 KB	Output is correct
33	Correct	6 ms	1108 KB	Output is correct
34	Correct	9 ms	1144 KB	Output is correct
35	Correct	6 ms	1080 KB	Output is correct
36	Correct	7 ms	1236 KB	Output is correct
37	Correct	17 ms	1364 KB	Output is correct
38	Correct	13 ms	1364 KB	Output is correct
39	Correct	16 ms	1288 KB	Output is correct
40	Correct	19 ms	1496 KB	Output is correct
41	Correct	18 ms	1296 KB	Output is correct
42	Correct	17 ms	1464 KB	Output is correct
43	Correct	17 ms	1668 KB	Output is correct
44	Correct	18 ms	1620 KB	Output is correct
45	Correct	18 ms	1612 KB	Output is correct
46	Correct	17 ms	1364 KB	Output is correct
47	Correct	18 ms	1408 KB	Output is correct
48	Correct	17 ms	1492 KB	Output is correct
49	Correct	16 ms	1280 KB	Output is correct
50	Correct	17 ms	1416 KB	Output is correct
51	Correct	1 ms	340 KB	Output is correct
52	Correct	21 ms	1752 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	596 KB	Output is correct
2	Correct	1 ms	724 KB	Output is correct
3	Correct	1 ms	444 KB	Output is correct
4	Correct	1 ms	596 KB	Output is correct
5	Correct	1 ms	852 KB	Output is correct
6	Correct	1 ms	724 KB	Output is correct
7	Correct	1 ms	724 KB	Output is correct
8	Correct	1 ms	824 KB	Output is correct
9	Correct	2 ms	852 KB	Output is correct
10	Correct	2 ms	980 KB	Output is correct
11	Correct	2 ms	980 KB	Output is correct
12	Correct	2 ms	952 KB	Output is correct
13	Correct	2 ms	948 KB	Output is correct
14	Correct	2 ms	980 KB	Output is correct
15	Correct	2 ms	980 KB	Output is correct
16	Correct	2 ms	956 KB	Output is correct
17	Correct	2 ms	980 KB	Output is correct
18	Correct	2 ms	980 KB	Output is correct
19	Correct	2 ms	908 KB	Output is correct
20	Correct	2 ms	980 KB	Output is correct
21	Correct	4 ms	1108 KB	Output is correct
22	Correct	6 ms	1212 KB	Output is correct
23	Correct	4 ms	1108 KB	Output is correct
24	Correct	6 ms	1192 KB	Output is correct
25	Correct	6 ms	1236 KB	Output is correct
26	Correct	8 ms	1208 KB	Output is correct
27	Correct	6 ms	1216 KB	Output is correct
28	Correct	6 ms	1192 KB	Output is correct
29	Correct	6 ms	1192 KB	Output is correct
30	Correct	6 ms	1108 KB	Output is correct
31	Correct	6 ms	1188 KB	Output is correct
32	Correct	6 ms	1208 KB	Output is correct
33	Correct	6 ms	1108 KB	Output is correct
34	Correct	9 ms	1144 KB	Output is correct
35	Correct	6 ms	1080 KB	Output is correct
36	Correct	7 ms	1236 KB	Output is correct
37	Correct	17 ms	1364 KB	Output is correct
38	Correct	13 ms	1364 KB	Output is correct
39	Correct	16 ms	1288 KB	Output is correct
40	Correct	19 ms	1496 KB	Output is correct
41	Correct	18 ms	1296 KB	Output is correct
42	Correct	17 ms	1464 KB	Output is correct
43	Correct	17 ms	1668 KB	Output is correct
44	Correct	18 ms	1620 KB	Output is correct
45	Correct	18 ms	1612 KB	Output is correct
46	Correct	17 ms	1364 KB	Output is correct
47	Correct	18 ms	1408 KB	Output is correct
48	Correct	17 ms	1492 KB	Output is correct
49	Correct	16 ms	1280 KB	Output is correct
50	Correct	17 ms	1416 KB	Output is correct
51	Correct	1 ms	340 KB	Output is correct
52	Correct	21 ms	1752 KB	Output is correct
53	Correct	25 ms	1620 KB	Output is correct
54	Correct	26 ms	1740 KB	Output is correct
55	Correct	27 ms	1868 KB	Output is correct
56	Correct	28 ms	1748 KB	Output is correct
57	Correct	28 ms	2008 KB	Output is correct
58	Correct	26 ms	1752 KB	Output is correct
59	Correct	26 ms	1760 KB	Output is correct
60	Correct	0 ms	340 KB	Output is correct
61	Correct	26 ms	1884 KB	Output is correct
62	Correct	26 ms	1872 KB	Output is correct
63	Correct	24 ms	1880 KB	Output is correct
64	Correct	30 ms	1888 KB	Output is correct
65	Correct	25 ms	1444 KB	Output is correct
66	Correct	21 ms	1364 KB	Output is correct

Subtask #6
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	596 KB	Output is correct
2	Correct	1 ms	724 KB	Output is correct
3	Correct	1 ms	444 KB	Output is correct
4	Correct	1 ms	596 KB	Output is correct
5	Correct	1 ms	852 KB	Output is correct
6	Correct	1 ms	724 KB	Output is correct
7	Correct	1 ms	724 KB	Output is correct
8	Correct	1 ms	824 KB	Output is correct
9	Correct	2 ms	852 KB	Output is correct
10	Correct	2 ms	980 KB	Output is correct
11	Correct	2 ms	980 KB	Output is correct
12	Correct	2 ms	952 KB	Output is correct
13	Correct	2 ms	948 KB	Output is correct
14	Correct	2 ms	980 KB	Output is correct
15	Correct	2 ms	980 KB	Output is correct
16	Correct	2 ms	956 KB	Output is correct
17	Correct	2 ms	980 KB	Output is correct
18	Correct	2 ms	980 KB	Output is correct
19	Correct	2 ms	908 KB	Output is correct
20	Correct	2 ms	980 KB	Output is correct
21	Correct	4 ms	1108 KB	Output is correct
22	Correct	6 ms	1212 KB	Output is correct
23	Correct	4 ms	1108 KB	Output is correct
24	Correct	6 ms	1192 KB	Output is correct
25	Correct	6 ms	1236 KB	Output is correct
26	Correct	8 ms	1208 KB	Output is correct
27	Correct	6 ms	1216 KB	Output is correct
28	Correct	6 ms	1192 KB	Output is correct
29	Correct	6 ms	1192 KB	Output is correct
30	Correct	6 ms	1108 KB	Output is correct
31	Correct	6 ms	1188 KB	Output is correct
32	Correct	6 ms	1208 KB	Output is correct
33	Correct	6 ms	1108 KB	Output is correct
34	Correct	9 ms	1144 KB	Output is correct
35	Correct	6 ms	1080 KB	Output is correct
36	Correct	7 ms	1236 KB	Output is correct
37	Correct	17 ms	1364 KB	Output is correct
38	Correct	13 ms	1364 KB	Output is correct
39	Correct	16 ms	1288 KB	Output is correct
40	Correct	19 ms	1496 KB	Output is correct
41	Correct	18 ms	1296 KB	Output is correct
42	Correct	17 ms	1464 KB	Output is correct
43	Correct	17 ms	1668 KB	Output is correct
44	Correct	18 ms	1620 KB	Output is correct
45	Correct	18 ms	1612 KB	Output is correct
46	Correct	17 ms	1364 KB	Output is correct
47	Correct	18 ms	1408 KB	Output is correct
48	Correct	17 ms	1492 KB	Output is correct
49	Correct	16 ms	1280 KB	Output is correct
50	Correct	17 ms	1416 KB	Output is correct
51	Correct	1 ms	340 KB	Output is correct
52	Correct	21 ms	1752 KB	Output is correct
53	Correct	25 ms	1620 KB	Output is correct
54	Correct	26 ms	1740 KB	Output is correct
55	Correct	27 ms	1868 KB	Output is correct
56	Correct	28 ms	1748 KB	Output is correct
57	Correct	28 ms	2008 KB	Output is correct
58	Correct	26 ms	1752 KB	Output is correct
59	Correct	26 ms	1760 KB	Output is correct
60	Correct	0 ms	340 KB	Output is correct
61	Correct	26 ms	1884 KB	Output is correct
62	Correct	26 ms	1872 KB	Output is correct
63	Correct	24 ms	1880 KB	Output is correct
64	Correct	30 ms	1888 KB	Output is correct
65	Correct	25 ms	1444 KB	Output is correct
66	Correct	21 ms	1364 KB	Output is correct
67	Correct	30 ms	1880 KB	Output is correct
68	Correct	4 ms	340 KB	Output is correct
69	Correct	40 ms	2480 KB	Output is correct
70	Correct	38 ms	2140 KB	Output is correct
71	Correct	38 ms	2016 KB	Output is correct
72	Correct	34 ms	1364 KB	Output is correct
73	Correct	35 ms	1380 KB	Output is correct
74	Correct	41 ms	2520 KB	Output is correct
75	Correct	40 ms	2380 KB	Output is correct
76	Correct	42 ms	2488 KB	Output is correct
77	Correct	41 ms	2652 KB	Output is correct

답안 #759748

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