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Submission #1115448

# Submission time Handle Problem Language Result Execution time Memory
1115448 2024-11-20T13:10:19 Z vjudge1 Bootfall (IZhO17_bootfall) C++17
100 / 100
 294 ms 3040 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
typedef int ll;

const int mxN = 500;
const int mxSm = mxN * mxN;

int dp[mxSm + 1];
int a[mxN];

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

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

	int s = 0;
	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 10 ms 2500 KB Output is correct
3 Correct 6 ms 2672 KB Output is correct
4 Correct 5 ms 2500 KB Output is correct
5 Correct 9 ms 2500 KB Output is correct
6 Correct 7 ms 2500 KB Output is correct
7 Correct 6 ms 2500 KB Output is correct
8 Correct 9 ms 2500 KB Output is correct
9 Correct 8 ms 2668 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 10 ms 2500 KB Output is correct
3 Correct 6 ms 2672 KB Output is correct
4 Correct 5 ms 2500 KB Output is correct
5 Correct 9 ms 2500 KB Output is correct
6 Correct 7 ms 2500 KB Output is correct
7 Correct 6 ms 2500 KB Output is correct
8 Correct 9 ms 2500 KB Output is correct
9 Correct 8 ms 2668 KB Output is correct
10 Correct 17 ms 2500 KB Output is correct
11 Correct 18 ms 2500 KB Output is correct
12 Correct 19 ms 2500 KB Output is correct
13 Correct 16 ms 2512 KB Output is correct
14 Correct 15 ms 2500 KB Output is correct
15 Correct 17 ms 2340 KB Output is correct
16 Correct 17 ms 2500 KB Output is correct
17 Correct 19 ms 2500 KB Output is correct
18 Correct 25 ms 2500 KB Output is correct
19 Correct 16 ms 2500 KB Output is correct
20 Correct 16 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 10 ms 2500 KB Output is correct
3 Correct 6 ms 2672 KB Output is correct
4 Correct 5 ms 2500 KB Output is correct
5 Correct 9 ms 2500 KB Output is correct
6 Correct 7 ms 2500 KB Output is correct
7 Correct 6 ms 2500 KB Output is correct
8 Correct 9 ms 2500 KB Output is correct
9 Correct 8 ms 2668 KB Output is correct
10 Correct 17 ms 2500 KB Output is correct
11 Correct 18 ms 2500 KB Output is correct
12 Correct 19 ms 2500 KB Output is correct
13 Correct 16 ms 2512 KB Output is correct
14 Correct 15 ms 2500 KB Output is correct
15 Correct 17 ms 2340 KB Output is correct
16 Correct 17 ms 2500 KB Output is correct
17 Correct 19 ms 2500 KB Output is correct
18 Correct 25 ms 2500 KB Output is correct
19 Correct 16 ms 2500 KB Output is correct
20 Correct 16 ms 2500 KB Output is correct
21 Correct 31 ms 2596 KB Output is correct
22 Correct 38 ms 2500 KB Output is correct
23 Correct 23 ms 2500 KB Output is correct
24 Correct 39 ms 2668 KB Output is correct
25 Correct 39 ms 2500 KB Output is correct
26 Correct 41 ms 2524 KB Output is correct
27 Correct 41 ms 2668 KB Output is correct
28 Correct 47 ms 2500 KB Output is correct
29 Correct 43 ms 2500 KB Output is correct
30 Correct 88 ms 2500 KB Output is correct
31 Correct 42 ms 2524 KB Output is correct
32 Correct 47 ms 2500 KB Output is correct
33 Correct 55 ms 2516 KB Output is correct
34 Correct 42 ms 2500 KB Output is correct
35 Correct 41 ms 2540 KB Output is correct
36 Correct 68 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 10 ms 2500 KB Output is correct
3 Correct 6 ms 2672 KB Output is correct
4 Correct 5 ms 2500 KB Output is correct
5 Correct 9 ms 2500 KB Output is correct
6 Correct 7 ms 2500 KB Output is correct
7 Correct 6 ms 2500 KB Output is correct
8 Correct 9 ms 2500 KB Output is correct
9 Correct 8 ms 2668 KB Output is correct
10 Correct 17 ms 2500 KB Output is correct
11 Correct 18 ms 2500 KB Output is correct
12 Correct 19 ms 2500 KB Output is correct
13 Correct 16 ms 2512 KB Output is correct
14 Correct 15 ms 2500 KB Output is correct
15 Correct 17 ms 2340 KB Output is correct
16 Correct 17 ms 2500 KB Output is correct
17 Correct 19 ms 2500 KB Output is correct
18 Correct 25 ms 2500 KB Output is correct
19 Correct 16 ms 2500 KB Output is correct
20 Correct 16 ms 2500 KB Output is correct
21 Correct 31 ms 2596 KB Output is correct
22 Correct 38 ms 2500 KB Output is correct
23 Correct 23 ms 2500 KB Output is correct
24 Correct 39 ms 2668 KB Output is correct
25 Correct 39 ms 2500 KB Output is correct
26 Correct 41 ms 2524 KB Output is correct
27 Correct 41 ms 2668 KB Output is correct
28 Correct 47 ms 2500 KB Output is correct
29 Correct 43 ms 2500 KB Output is correct
30 Correct 88 ms 2500 KB Output is correct
31 Correct 42 ms 2524 KB Output is correct
32 Correct 47 ms 2500 KB Output is correct
33 Correct 55 ms 2516 KB Output is correct
34 Correct 42 ms 2500 KB Output is correct
35 Correct 41 ms 2540 KB Output is correct
36 Correct 68 ms 2500 KB Output is correct
37 Correct 96 ms 2516 KB Output is correct
38 Correct 84 ms 2500 KB Output is correct
39 Correct 110 ms 2500 KB Output is correct
40 Correct 118 ms 2524 KB Output is correct
41 Correct 109 ms 2500 KB Output is correct
42 Correct 108 ms 2500 KB Output is correct
43 Correct 106 ms 2500 KB Output is correct
44 Correct 121 ms 2500 KB Output is correct
45 Correct 168 ms 2500 KB Output is correct
46 Correct 109 ms 2500 KB Output is correct
47 Correct 111 ms 2500 KB Output is correct
48 Correct 108 ms 2528 KB Output is correct
49 Correct 117 ms 2500 KB Output is correct
50 Correct 124 ms 2520 KB Output is correct
51 Correct 57 ms 2500 KB Output is correct
52 Correct 125 ms 2580 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 10 ms 2500 KB Output is correct
3 Correct 6 ms 2672 KB Output is correct
4 Correct 5 ms 2500 KB Output is correct
5 Correct 9 ms 2500 KB Output is correct
6 Correct 7 ms 2500 KB Output is correct
7 Correct 6 ms 2500 KB Output is correct
8 Correct 9 ms 2500 KB Output is correct
9 Correct 8 ms 2668 KB Output is correct
10 Correct 17 ms 2500 KB Output is correct
11 Correct 18 ms 2500 KB Output is correct
12 Correct 19 ms 2500 KB Output is correct
13 Correct 16 ms 2512 KB Output is correct
14 Correct 15 ms 2500 KB Output is correct
15 Correct 17 ms 2340 KB Output is correct
16 Correct 17 ms 2500 KB Output is correct
17 Correct 19 ms 2500 KB Output is correct
18 Correct 25 ms 2500 KB Output is correct
19 Correct 16 ms 2500 KB Output is correct
20 Correct 16 ms 2500 KB Output is correct
21 Correct 31 ms 2596 KB Output is correct
22 Correct 38 ms 2500 KB Output is correct
23 Correct 23 ms 2500 KB Output is correct
24 Correct 39 ms 2668 KB Output is correct
25 Correct 39 ms 2500 KB Output is correct
26 Correct 41 ms 2524 KB Output is correct
27 Correct 41 ms 2668 KB Output is correct
28 Correct 47 ms 2500 KB Output is correct
29 Correct 43 ms 2500 KB Output is correct
30 Correct 88 ms 2500 KB Output is correct
31 Correct 42 ms 2524 KB Output is correct
32 Correct 47 ms 2500 KB Output is correct
33 Correct 55 ms 2516 KB Output is correct
34 Correct 42 ms 2500 KB Output is correct
35 Correct 41 ms 2540 KB Output is correct
36 Correct 68 ms 2500 KB Output is correct
37 Correct 96 ms 2516 KB Output is correct
38 Correct 84 ms 2500 KB Output is correct
39 Correct 110 ms 2500 KB Output is correct
40 Correct 118 ms 2524 KB Output is correct
41 Correct 109 ms 2500 KB Output is correct
42 Correct 108 ms 2500 KB Output is correct
43 Correct 106 ms 2500 KB Output is correct
44 Correct 121 ms 2500 KB Output is correct
45 Correct 168 ms 2500 KB Output is correct
46 Correct 109 ms 2500 KB Output is correct
47 Correct 111 ms 2500 KB Output is correct
48 Correct 108 ms 2528 KB Output is correct
49 Correct 117 ms 2500 KB Output is correct
50 Correct 124 ms 2520 KB Output is correct
51 Correct 57 ms 2500 KB Output is correct
52 Correct 125 ms 2580 KB Output is correct
53 Correct 125 ms 2500 KB Output is correct
54 Correct 184 ms 2500 KB Output is correct
55 Correct 160 ms 2776 KB Output is correct
56 Correct 141 ms 2500 KB Output is correct
57 Correct 160 ms 2748 KB Output is correct
58 Correct 210 ms 2500 KB Output is correct
59 Correct 155 ms 2500 KB Output is correct
60 Correct 69 ms 2500 KB Output is correct
61 Correct 169 ms 2748 KB Output is correct
62 Correct 150 ms 2756 KB Output is correct
63 Correct 148 ms 2748 KB Output is correct
64 Correct 146 ms 2748 KB Output is correct
65 Correct 124 ms 2668 KB Output is correct
66 Correct 124 ms 2524 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 10 ms 2500 KB Output is correct
3 Correct 6 ms 2672 KB Output is correct
4 Correct 5 ms 2500 KB Output is correct
5 Correct 9 ms 2500 KB Output is correct
6 Correct 7 ms 2500 KB Output is correct
7 Correct 6 ms 2500 KB Output is correct
8 Correct 9 ms 2500 KB Output is correct
9 Correct 8 ms 2668 KB Output is correct
10 Correct 17 ms 2500 KB Output is correct
11 Correct 18 ms 2500 KB Output is correct
12 Correct 19 ms 2500 KB Output is correct
13 Correct 16 ms 2512 KB Output is correct
14 Correct 15 ms 2500 KB Output is correct
15 Correct 17 ms 2340 KB Output is correct
16 Correct 17 ms 2500 KB Output is correct
17 Correct 19 ms 2500 KB Output is correct
18 Correct 25 ms 2500 KB Output is correct
19 Correct 16 ms 2500 KB Output is correct
20 Correct 16 ms 2500 KB Output is correct
21 Correct 31 ms 2596 KB Output is correct
22 Correct 38 ms 2500 KB Output is correct
23 Correct 23 ms 2500 KB Output is correct
24 Correct 39 ms 2668 KB Output is correct
25 Correct 39 ms 2500 KB Output is correct
26 Correct 41 ms 2524 KB Output is correct
27 Correct 41 ms 2668 KB Output is correct
28 Correct 47 ms 2500 KB Output is correct
29 Correct 43 ms 2500 KB Output is correct
30 Correct 88 ms 2500 KB Output is correct
31 Correct 42 ms 2524 KB Output is correct
32 Correct 47 ms 2500 KB Output is correct
33 Correct 55 ms 2516 KB Output is correct
34 Correct 42 ms 2500 KB Output is correct
35 Correct 41 ms 2540 KB Output is correct
36 Correct 68 ms 2500 KB Output is correct
37 Correct 96 ms 2516 KB Output is correct
38 Correct 84 ms 2500 KB Output is correct
39 Correct 110 ms 2500 KB Output is correct
40 Correct 118 ms 2524 KB Output is correct
41 Correct 109 ms 2500 KB Output is correct
42 Correct 108 ms 2500 KB Output is correct
43 Correct 106 ms 2500 KB Output is correct
44 Correct 121 ms 2500 KB Output is correct
45 Correct 168 ms 2500 KB Output is correct
46 Correct 109 ms 2500 KB Output is correct
47 Correct 111 ms 2500 KB Output is correct
48 Correct 108 ms 2528 KB Output is correct
49 Correct 117 ms 2500 KB Output is correct
50 Correct 124 ms 2520 KB Output is correct
51 Correct 57 ms 2500 KB Output is correct
52 Correct 125 ms 2580 KB Output is correct
53 Correct 125 ms 2500 KB Output is correct
54 Correct 184 ms 2500 KB Output is correct
55 Correct 160 ms 2776 KB Output is correct
56 Correct 141 ms 2500 KB Output is correct
57 Correct 160 ms 2748 KB Output is correct
58 Correct 210 ms 2500 KB Output is correct
59 Correct 155 ms 2500 KB Output is correct
60 Correct 69 ms 2500 KB Output is correct
61 Correct 169 ms 2748 KB Output is correct
62 Correct 150 ms 2756 KB Output is correct
63 Correct 148 ms 2748 KB Output is correct
64 Correct 146 ms 2748 KB Output is correct
65 Correct 124 ms 2668 KB Output is correct
66 Correct 124 ms 2524 KB Output is correct
67 Correct 262 ms 2672 KB Output is correct
68 Correct 99 ms 2500 KB Output is correct
69 Correct 288 ms 3008 KB Output is correct
70 Correct 258 ms 2748 KB Output is correct
71 Correct 238 ms 2748 KB Output is correct
72 Correct 198 ms 2500 KB Output is correct
73 Correct 194 ms 2500 KB Output is correct
74 Correct 264 ms 3040 KB Output is correct
75 Correct 294 ms 3004 KB Output is correct
76 Correct 286 ms 3004 KB Output is correct
77 Correct 265 ms 3032 KB Output is correct