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Submission #1115441

# Submission time Handle Problem Language Result Execution time Memory
1115441 2024-11-20T13:08:32 Z vjudge1 Bootfall (IZhO17_bootfall) C++17
100 / 100
 232 ms 3040 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
typedef int ll;

const int mxN = 5e2;
const int mxSm = mxN * mxN;

int dp[mxSm + 1];
vector<int> ans;
int a[mxN];
int s;

void solve() {
	int N;
	cin >> N;

	for (int i = 1; i <= mxSm; i ++) {
		ans.push_back(i);
	}

	dp[0] = 1;
	for (int i = 0; i < N; i ++) {
		cin >> a[i];
		for (int j = mxSm; j >= a[i]; j --) {
			dp[j] += dp[j - a[i]];
		}
		s += a[i];
	}

	if (s % 2 || dp[s / 2] == 0) {
		cout << "0\n";
		return;
	}

	for (int i = 0; i < N; i ++) {
		s -= a[i];
		for (int j = a[i]; j <= mxSm; j ++) {
			dp[j] -= dp[j - a[i]];
		}
		int j = 0;
		while (j<(int)ans.size()){
			if (s < ans[j] || (s - ans[j]) % 2 || !dp[(s - ans[j]) / 2]) {
				if (j < (int)ans.size()) {
					swap(ans[j], ans[(int)ans.size()-1]);
				}
				ans.pop_back();
			} else {
				j ++;
			}
		}
		s += a[i];
		for (int j = mxSm; j >= a[i]; j --) {
			dp[j] += dp[j - a[i]];
		}
	}

	sort(begin(ans),end(ans));
	cout << ans.size() << "\n";
	for (int i : ans) {
		cout << i << ' ';
	}
}

signed main() {
	solve();
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2500 KB Output is correct
2 Correct 6 ms 2500 KB Output is correct
3 Correct 4 ms 2332 KB Output is correct
4 Correct 7 ms 2500 KB Output is correct
5 Correct 8 ms 2500 KB Output is correct
6 Correct 8 ms 2500 KB Output is correct
7 Correct 5 ms 2500 KB Output is correct
8 Correct 7 ms 2500 KB Output is correct
9 Correct 7 ms 2512 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2500 KB Output is correct
2 Correct 6 ms 2500 KB Output is correct
3 Correct 4 ms 2332 KB Output is correct
4 Correct 7 ms 2500 KB Output is correct
5 Correct 8 ms 2500 KB Output is correct
6 Correct 8 ms 2500 KB Output is correct
7 Correct 5 ms 2500 KB Output is correct
8 Correct 7 ms 2500 KB Output is correct
9 Correct 7 ms 2512 KB Output is correct
10 Correct 20 ms 2500 KB Output is correct
11 Correct 14 ms 2508 KB Output is correct
12 Correct 23 ms 2508 KB Output is correct
13 Correct 21 ms 2500 KB Output is correct
14 Correct 13 ms 2504 KB Output is correct
15 Correct 14 ms 2500 KB Output is correct
16 Correct 23 ms 2500 KB Output is correct
17 Correct 14 ms 2500 KB Output is correct
18 Correct 12 ms 2500 KB Output is correct
19 Correct 13 ms 2500 KB Output is correct
20 Correct 14 ms 2500 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2500 KB Output is correct
2 Correct 6 ms 2500 KB Output is correct
3 Correct 4 ms 2332 KB Output is correct
4 Correct 7 ms 2500 KB Output is correct
5 Correct 8 ms 2500 KB Output is correct
6 Correct 8 ms 2500 KB Output is correct
7 Correct 5 ms 2500 KB Output is correct
8 Correct 7 ms 2500 KB Output is correct
9 Correct 7 ms 2512 KB Output is correct
10 Correct 20 ms 2500 KB Output is correct
11 Correct 14 ms 2508 KB Output is correct
12 Correct 23 ms 2508 KB Output is correct
13 Correct 21 ms 2500 KB Output is correct
14 Correct 13 ms 2504 KB Output is correct
15 Correct 14 ms 2500 KB Output is correct
16 Correct 23 ms 2500 KB Output is correct
17 Correct 14 ms 2500 KB Output is correct
18 Correct 12 ms 2500 KB Output is correct
19 Correct 13 ms 2500 KB Output is correct
20 Correct 14 ms 2500 KB Output is correct
21 Correct 32 ms 2500 KB Output is correct
22 Correct 49 ms 2500 KB Output is correct
23 Correct 19 ms 2532 KB Output is correct
24 Correct 61 ms 2524 KB Output is correct
25 Correct 34 ms 2500 KB Output is correct
26 Correct 38 ms 2500 KB Output is correct
27 Correct 36 ms 2500 KB Output is correct
28 Correct 37 ms 2500 KB Output is correct
29 Correct 43 ms 2512 KB Output is correct
30 Correct 38 ms 2500 KB Output is correct
31 Correct 38 ms 2500 KB Output is correct
32 Correct 35 ms 2500 KB Output is correct
33 Correct 33 ms 2500 KB Output is correct
34 Correct 37 ms 2500 KB Output is correct
35 Correct 37 ms 2500 KB Output is correct
36 Correct 36 ms 2500 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2500 KB Output is correct
2 Correct 6 ms 2500 KB Output is correct
3 Correct 4 ms 2332 KB Output is correct
4 Correct 7 ms 2500 KB Output is correct
5 Correct 8 ms 2500 KB Output is correct
6 Correct 8 ms 2500 KB Output is correct
7 Correct 5 ms 2500 KB Output is correct
8 Correct 7 ms 2500 KB Output is correct
9 Correct 7 ms 2512 KB Output is correct
10 Correct 20 ms 2500 KB Output is correct
11 Correct 14 ms 2508 KB Output is correct
12 Correct 23 ms 2508 KB Output is correct
13 Correct 21 ms 2500 KB Output is correct
14 Correct 13 ms 2504 KB Output is correct
15 Correct 14 ms 2500 KB Output is correct
16 Correct 23 ms 2500 KB Output is correct
17 Correct 14 ms 2500 KB Output is correct
18 Correct 12 ms 2500 KB Output is correct
19 Correct 13 ms 2500 KB Output is correct
20 Correct 14 ms 2500 KB Output is correct
21 Correct 32 ms 2500 KB Output is correct
22 Correct 49 ms 2500 KB Output is correct
23 Correct 19 ms 2532 KB Output is correct
24 Correct 61 ms 2524 KB Output is correct
25 Correct 34 ms 2500 KB Output is correct
26 Correct 38 ms 2500 KB Output is correct
27 Correct 36 ms 2500 KB Output is correct
28 Correct 37 ms 2500 KB Output is correct
29 Correct 43 ms 2512 KB Output is correct
30 Correct 38 ms 2500 KB Output is correct
31 Correct 38 ms 2500 KB Output is correct
32 Correct 35 ms 2500 KB Output is correct
33 Correct 33 ms 2500 KB Output is correct
34 Correct 37 ms 2500 KB Output is correct
35 Correct 37 ms 2500 KB Output is correct
36 Correct 36 ms 2500 KB Output is correct
37 Correct 80 ms 2520 KB Output is correct
38 Correct 71 ms 2500 KB Output is correct
39 Correct 84 ms 2500 KB Output is correct
40 Correct 94 ms 2520 KB Output is correct
41 Correct 88 ms 2500 KB Output is correct
42 Correct 89 ms 2500 KB Output is correct
43 Correct 90 ms 2500 KB Output is correct
44 Correct 90 ms 2500 KB Output is correct
45 Correct 93 ms 2500 KB Output is correct
46 Correct 89 ms 2500 KB Output is correct
47 Correct 93 ms 2500 KB Output is correct
48 Correct 97 ms 2500 KB Output is correct
49 Correct 85 ms 2668 KB Output is correct
50 Correct 88 ms 2500 KB Output is correct
51 Correct 29 ms 2500 KB Output is correct
52 Correct 97 ms 2500 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2500 KB Output is correct
2 Correct 6 ms 2500 KB Output is correct
3 Correct 4 ms 2332 KB Output is correct
4 Correct 7 ms 2500 KB Output is correct
5 Correct 8 ms 2500 KB Output is correct
6 Correct 8 ms 2500 KB Output is correct
7 Correct 5 ms 2500 KB Output is correct
8 Correct 7 ms 2500 KB Output is correct
9 Correct 7 ms 2512 KB Output is correct
10 Correct 20 ms 2500 KB Output is correct
11 Correct 14 ms 2508 KB Output is correct
12 Correct 23 ms 2508 KB Output is correct
13 Correct 21 ms 2500 KB Output is correct
14 Correct 13 ms 2504 KB Output is correct
15 Correct 14 ms 2500 KB Output is correct
16 Correct 23 ms 2500 KB Output is correct
17 Correct 14 ms 2500 KB Output is correct
18 Correct 12 ms 2500 KB Output is correct
19 Correct 13 ms 2500 KB Output is correct
20 Correct 14 ms 2500 KB Output is correct
21 Correct 32 ms 2500 KB Output is correct
22 Correct 49 ms 2500 KB Output is correct
23 Correct 19 ms 2532 KB Output is correct
24 Correct 61 ms 2524 KB Output is correct
25 Correct 34 ms 2500 KB Output is correct
26 Correct 38 ms 2500 KB Output is correct
27 Correct 36 ms 2500 KB Output is correct
28 Correct 37 ms 2500 KB Output is correct
29 Correct 43 ms 2512 KB Output is correct
30 Correct 38 ms 2500 KB Output is correct
31 Correct 38 ms 2500 KB Output is correct
32 Correct 35 ms 2500 KB Output is correct
33 Correct 33 ms 2500 KB Output is correct
34 Correct 37 ms 2500 KB Output is correct
35 Correct 37 ms 2500 KB Output is correct
36 Correct 36 ms 2500 KB Output is correct
37 Correct 80 ms 2520 KB Output is correct
38 Correct 71 ms 2500 KB Output is correct
39 Correct 84 ms 2500 KB Output is correct
40 Correct 94 ms 2520 KB Output is correct
41 Correct 88 ms 2500 KB Output is correct
42 Correct 89 ms 2500 KB Output is correct
43 Correct 90 ms 2500 KB Output is correct
44 Correct 90 ms 2500 KB Output is correct
45 Correct 93 ms 2500 KB Output is correct
46 Correct 89 ms 2500 KB Output is correct
47 Correct 93 ms 2500 KB Output is correct
48 Correct 97 ms 2500 KB Output is correct
49 Correct 85 ms 2668 KB Output is correct
50 Correct 88 ms 2500 KB Output is correct
51 Correct 29 ms 2500 KB Output is correct
52 Correct 97 ms 2500 KB Output is correct
53 Correct 108 ms 2520 KB Output is correct
54 Correct 130 ms 2520 KB Output is correct
55 Correct 133 ms 2776 KB Output is correct
56 Correct 107 ms 2500 KB Output is correct
57 Correct 133 ms 2776 KB Output is correct
58 Correct 144 ms 2500 KB Output is correct
59 Correct 126 ms 2528 KB Output is correct
60 Correct 41 ms 2500 KB Output is correct
61 Correct 132 ms 2524 KB Output is correct
62 Correct 119 ms 2780 KB Output is correct
63 Correct 130 ms 2788 KB Output is correct
64 Correct 119 ms 2776 KB Output is correct
65 Correct 106 ms 2668 KB Output is correct
66 Correct 105 ms 2500 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2500 KB Output is correct
2 Correct 6 ms 2500 KB Output is correct
3 Correct 4 ms 2332 KB Output is correct
4 Correct 7 ms 2500 KB Output is correct
5 Correct 8 ms 2500 KB Output is correct
6 Correct 8 ms 2500 KB Output is correct
7 Correct 5 ms 2500 KB Output is correct
8 Correct 7 ms 2500 KB Output is correct
9 Correct 7 ms 2512 KB Output is correct
10 Correct 20 ms 2500 KB Output is correct
11 Correct 14 ms 2508 KB Output is correct
12 Correct 23 ms 2508 KB Output is correct
13 Correct 21 ms 2500 KB Output is correct
14 Correct 13 ms 2504 KB Output is correct
15 Correct 14 ms 2500 KB Output is correct
16 Correct 23 ms 2500 KB Output is correct
17 Correct 14 ms 2500 KB Output is correct
18 Correct 12 ms 2500 KB Output is correct
19 Correct 13 ms 2500 KB Output is correct
20 Correct 14 ms 2500 KB Output is correct
21 Correct 32 ms 2500 KB Output is correct
22 Correct 49 ms 2500 KB Output is correct
23 Correct 19 ms 2532 KB Output is correct
24 Correct 61 ms 2524 KB Output is correct
25 Correct 34 ms 2500 KB Output is correct
26 Correct 38 ms 2500 KB Output is correct
27 Correct 36 ms 2500 KB Output is correct
28 Correct 37 ms 2500 KB Output is correct
29 Correct 43 ms 2512 KB Output is correct
30 Correct 38 ms 2500 KB Output is correct
31 Correct 38 ms 2500 KB Output is correct
32 Correct 35 ms 2500 KB Output is correct
33 Correct 33 ms 2500 KB Output is correct
34 Correct 37 ms 2500 KB Output is correct
35 Correct 37 ms 2500 KB Output is correct
36 Correct 36 ms 2500 KB Output is correct
37 Correct 80 ms 2520 KB Output is correct
38 Correct 71 ms 2500 KB Output is correct
39 Correct 84 ms 2500 KB Output is correct
40 Correct 94 ms 2520 KB Output is correct
41 Correct 88 ms 2500 KB Output is correct
42 Correct 89 ms 2500 KB Output is correct
43 Correct 90 ms 2500 KB Output is correct
44 Correct 90 ms 2500 KB Output is correct
45 Correct 93 ms 2500 KB Output is correct
46 Correct 89 ms 2500 KB Output is correct
47 Correct 93 ms 2500 KB Output is correct
48 Correct 97 ms 2500 KB Output is correct
49 Correct 85 ms 2668 KB Output is correct
50 Correct 88 ms 2500 KB Output is correct
51 Correct 29 ms 2500 KB Output is correct
52 Correct 97 ms 2500 KB Output is correct
53 Correct 108 ms 2520 KB Output is correct
54 Correct 130 ms 2520 KB Output is correct
55 Correct 133 ms 2776 KB Output is correct
56 Correct 107 ms 2500 KB Output is correct
57 Correct 133 ms 2776 KB Output is correct
58 Correct 144 ms 2500 KB Output is correct
59 Correct 126 ms 2528 KB Output is correct
60 Correct 41 ms 2500 KB Output is correct
61 Correct 132 ms 2524 KB Output is correct
62 Correct 119 ms 2780 KB Output is correct
63 Correct 130 ms 2788 KB Output is correct
64 Correct 119 ms 2776 KB Output is correct
65 Correct 106 ms 2668 KB Output is correct
66 Correct 105 ms 2500 KB Output is correct
67 Correct 154 ms 2520 KB Output is correct
68 Correct 56 ms 2500 KB Output is correct
69 Correct 231 ms 3036 KB Output is correct
70 Correct 202 ms 2760 KB Output is correct
71 Correct 220 ms 2748 KB Output is correct
72 Correct 160 ms 2580 KB Output is correct
73 Correct 158 ms 2500 KB Output is correct
74 Correct 223 ms 3004 KB Output is correct
75 Correct 215 ms 3040 KB Output is correct
76 Correct 220 ms 3032 KB Output is correct
77 Correct 232 ms 3040 KB Output is correct