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Submission #759748

# Submission time Handle Problem Language Result Execution time Memory
759748 2023-06-16T18:23:03 Z NK_ Bootfall (IZhO17_bootfall) C++17
100 / 100
 42 ms 2652 KB 
// 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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