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Submission #1115439

# Submission time Handle Problem Language Result Execution time Memory
1115439 2024-11-20T13:07:51 Z vjudge1 Bootfall (IZhO17_bootfall) C++17
100 / 100
 148 ms 3268 KB 
#pragma optimize ("g",on)
#pragma GCC optimize("inline")
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize ("03")
 
#include <bits/stdc++.h>
 
#define ios ios_base::sync_with_stdio(0); cin.tie(0);
#define pb push_back
 
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.pb(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() {
	ios
	solve();
}

Compilation message

bootfall.cpp:1: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    1 | #pragma optimize ("g",on)
      |

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2508 KB Output is correct
2 Correct 5 ms 2508 KB Output is correct
3 Correct 3 ms 2508 KB Output is correct
4 Correct 5 ms 2508 KB Output is correct
5 Correct 5 ms 2508 KB Output is correct
6 Correct 5 ms 2508 KB Output is correct
7 Correct 4 ms 2508 KB Output is correct
8 Correct 5 ms 2508 KB Output is correct
9 Correct 4 ms 2676 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2508 KB Output is correct
2 Correct 5 ms 2508 KB Output is correct
3 Correct 3 ms 2508 KB Output is correct
4 Correct 5 ms 2508 KB Output is correct
5 Correct 5 ms 2508 KB Output is correct
6 Correct 5 ms 2508 KB Output is correct
7 Correct 4 ms 2508 KB Output is correct
8 Correct 5 ms 2508 KB Output is correct
9 Correct 4 ms 2676 KB Output is correct
10 Correct 9 ms 2508 KB Output is correct
11 Correct 12 ms 2520 KB Output is correct
12 Correct 12 ms 2508 KB Output is correct
13 Correct 13 ms 2760 KB Output is correct
14 Correct 14 ms 2508 KB Output is correct
15 Correct 13 ms 2508 KB Output is correct
16 Correct 12 ms 2508 KB Output is correct
17 Correct 13 ms 2508 KB Output is correct
18 Correct 12 ms 2508 KB Output is correct
19 Correct 13 ms 2412 KB Output is correct
20 Correct 8 ms 2508 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2508 KB Output is correct
2 Correct 5 ms 2508 KB Output is correct
3 Correct 3 ms 2508 KB Output is correct
4 Correct 5 ms 2508 KB Output is correct
5 Correct 5 ms 2508 KB Output is correct
6 Correct 5 ms 2508 KB Output is correct
7 Correct 4 ms 2508 KB Output is correct
8 Correct 5 ms 2508 KB Output is correct
9 Correct 4 ms 2676 KB Output is correct
10 Correct 9 ms 2508 KB Output is correct
11 Correct 12 ms 2520 KB Output is correct
12 Correct 12 ms 2508 KB Output is correct
13 Correct 13 ms 2760 KB Output is correct
14 Correct 14 ms 2508 KB Output is correct
15 Correct 13 ms 2508 KB Output is correct
16 Correct 12 ms 2508 KB Output is correct
17 Correct 13 ms 2508 KB Output is correct
18 Correct 12 ms 2508 KB Output is correct
19 Correct 13 ms 2412 KB Output is correct
20 Correct 8 ms 2508 KB Output is correct
21 Correct 15 ms 2560 KB Output is correct
22 Correct 20 ms 2508 KB Output is correct
23 Correct 12 ms 2508 KB Output is correct
24 Correct 19 ms 2556 KB Output is correct
25 Correct 15 ms 2508 KB Output is correct
26 Correct 18 ms 2508 KB Output is correct
27 Correct 16 ms 2680 KB Output is correct
28 Correct 16 ms 2508 KB Output is correct
29 Correct 17 ms 2560 KB Output is correct
30 Correct 20 ms 2508 KB Output is correct
31 Correct 18 ms 2364 KB Output is correct
32 Correct 21 ms 2520 KB Output is correct
33 Correct 15 ms 2508 KB Output is correct
34 Correct 16 ms 2676 KB Output is correct
35 Correct 16 ms 2368 KB Output is correct
36 Correct 23 ms 2560 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2508 KB Output is correct
2 Correct 5 ms 2508 KB Output is correct
3 Correct 3 ms 2508 KB Output is correct
4 Correct 5 ms 2508 KB Output is correct
5 Correct 5 ms 2508 KB Output is correct
6 Correct 5 ms 2508 KB Output is correct
7 Correct 4 ms 2508 KB Output is correct
8 Correct 5 ms 2508 KB Output is correct
9 Correct 4 ms 2676 KB Output is correct
10 Correct 9 ms 2508 KB Output is correct
11 Correct 12 ms 2520 KB Output is correct
12 Correct 12 ms 2508 KB Output is correct
13 Correct 13 ms 2760 KB Output is correct
14 Correct 14 ms 2508 KB Output is correct
15 Correct 13 ms 2508 KB Output is correct
16 Correct 12 ms 2508 KB Output is correct
17 Correct 13 ms 2508 KB Output is correct
18 Correct 12 ms 2508 KB Output is correct
19 Correct 13 ms 2412 KB Output is correct
20 Correct 8 ms 2508 KB Output is correct
21 Correct 15 ms 2560 KB Output is correct
22 Correct 20 ms 2508 KB Output is correct
23 Correct 12 ms 2508 KB Output is correct
24 Correct 19 ms 2556 KB Output is correct
25 Correct 15 ms 2508 KB Output is correct
26 Correct 18 ms 2508 KB Output is correct
27 Correct 16 ms 2680 KB Output is correct
28 Correct 16 ms 2508 KB Output is correct
29 Correct 17 ms 2560 KB Output is correct
30 Correct 20 ms 2508 KB Output is correct
31 Correct 18 ms 2364 KB Output is correct
32 Correct 21 ms 2520 KB Output is correct
33 Correct 15 ms 2508 KB Output is correct
34 Correct 16 ms 2676 KB Output is correct
35 Correct 16 ms 2368 KB Output is correct
36 Correct 23 ms 2560 KB Output is correct
37 Correct 29 ms 2508 KB Output is correct
38 Correct 45 ms 2552 KB Output is correct
39 Correct 29 ms 2508 KB Output is correct
40 Correct 44 ms 2548 KB Output is correct
41 Correct 42 ms 2508 KB Output is correct
42 Correct 42 ms 2508 KB Output is correct
43 Correct 40 ms 2508 KB Output is correct
44 Correct 39 ms 2508 KB Output is correct
45 Correct 40 ms 2508 KB Output is correct
46 Correct 38 ms 2508 KB Output is correct
47 Correct 41 ms 2508 KB Output is correct
48 Correct 38 ms 2628 KB Output is correct
49 Correct 33 ms 2508 KB Output is correct
50 Correct 41 ms 2552 KB Output is correct
51 Correct 18 ms 2508 KB Output is correct
52 Correct 44 ms 2508 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2508 KB Output is correct
2 Correct 5 ms 2508 KB Output is correct
3 Correct 3 ms 2508 KB Output is correct
4 Correct 5 ms 2508 KB Output is correct
5 Correct 5 ms 2508 KB Output is correct
6 Correct 5 ms 2508 KB Output is correct
7 Correct 4 ms 2508 KB Output is correct
8 Correct 5 ms 2508 KB Output is correct
9 Correct 4 ms 2676 KB Output is correct
10 Correct 9 ms 2508 KB Output is correct
11 Correct 12 ms 2520 KB Output is correct
12 Correct 12 ms 2508 KB Output is correct
13 Correct 13 ms 2760 KB Output is correct
14 Correct 14 ms 2508 KB Output is correct
15 Correct 13 ms 2508 KB Output is correct
16 Correct 12 ms 2508 KB Output is correct
17 Correct 13 ms 2508 KB Output is correct
18 Correct 12 ms 2508 KB Output is correct
19 Correct 13 ms 2412 KB Output is correct
20 Correct 8 ms 2508 KB Output is correct
21 Correct 15 ms 2560 KB Output is correct
22 Correct 20 ms 2508 KB Output is correct
23 Correct 12 ms 2508 KB Output is correct
24 Correct 19 ms 2556 KB Output is correct
25 Correct 15 ms 2508 KB Output is correct
26 Correct 18 ms 2508 KB Output is correct
27 Correct 16 ms 2680 KB Output is correct
28 Correct 16 ms 2508 KB Output is correct
29 Correct 17 ms 2560 KB Output is correct
30 Correct 20 ms 2508 KB Output is correct
31 Correct 18 ms 2364 KB Output is correct
32 Correct 21 ms 2520 KB Output is correct
33 Correct 15 ms 2508 KB Output is correct
34 Correct 16 ms 2676 KB Output is correct
35 Correct 16 ms 2368 KB Output is correct
36 Correct 23 ms 2560 KB Output is correct
37 Correct 29 ms 2508 KB Output is correct
38 Correct 45 ms 2552 KB Output is correct
39 Correct 29 ms 2508 KB Output is correct
40 Correct 44 ms 2548 KB Output is correct
41 Correct 42 ms 2508 KB Output is correct
42 Correct 42 ms 2508 KB Output is correct
43 Correct 40 ms 2508 KB Output is correct
44 Correct 39 ms 2508 KB Output is correct
45 Correct 40 ms 2508 KB Output is correct
46 Correct 38 ms 2508 KB Output is correct
47 Correct 41 ms 2508 KB Output is correct
48 Correct 38 ms 2628 KB Output is correct
49 Correct 33 ms 2508 KB Output is correct
50 Correct 41 ms 2552 KB Output is correct
51 Correct 18 ms 2508 KB Output is correct
52 Correct 44 ms 2508 KB Output is correct
53 Correct 47 ms 2508 KB Output is correct
54 Correct 58 ms 2676 KB Output is correct
55 Correct 67 ms 2756 KB Output is correct
56 Correct 50 ms 2508 KB Output is correct
57 Correct 71 ms 2756 KB Output is correct
58 Correct 67 ms 2508 KB Output is correct
59 Correct 59 ms 2556 KB Output is correct
60 Correct 16 ms 2508 KB Output is correct
61 Correct 64 ms 2756 KB Output is correct
62 Correct 61 ms 2756 KB Output is correct
63 Correct 86 ms 2756 KB Output is correct
64 Correct 63 ms 2756 KB Output is correct
65 Correct 40 ms 2508 KB Output is correct
66 Correct 50 ms 2508 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2508 KB Output is correct
2 Correct 5 ms 2508 KB Output is correct
3 Correct 3 ms 2508 KB Output is correct
4 Correct 5 ms 2508 KB Output is correct
5 Correct 5 ms 2508 KB Output is correct
6 Correct 5 ms 2508 KB Output is correct
7 Correct 4 ms 2508 KB Output is correct
8 Correct 5 ms 2508 KB Output is correct
9 Correct 4 ms 2676 KB Output is correct
10 Correct 9 ms 2508 KB Output is correct
11 Correct 12 ms 2520 KB Output is correct
12 Correct 12 ms 2508 KB Output is correct
13 Correct 13 ms 2760 KB Output is correct
14 Correct 14 ms 2508 KB Output is correct
15 Correct 13 ms 2508 KB Output is correct
16 Correct 12 ms 2508 KB Output is correct
17 Correct 13 ms 2508 KB Output is correct
18 Correct 12 ms 2508 KB Output is correct
19 Correct 13 ms 2412 KB Output is correct
20 Correct 8 ms 2508 KB Output is correct
21 Correct 15 ms 2560 KB Output is correct
22 Correct 20 ms 2508 KB Output is correct
23 Correct 12 ms 2508 KB Output is correct
24 Correct 19 ms 2556 KB Output is correct
25 Correct 15 ms 2508 KB Output is correct
26 Correct 18 ms 2508 KB Output is correct
27 Correct 16 ms 2680 KB Output is correct
28 Correct 16 ms 2508 KB Output is correct
29 Correct 17 ms 2560 KB Output is correct
30 Correct 20 ms 2508 KB Output is correct
31 Correct 18 ms 2364 KB Output is correct
32 Correct 21 ms 2520 KB Output is correct
33 Correct 15 ms 2508 KB Output is correct
34 Correct 16 ms 2676 KB Output is correct
35 Correct 16 ms 2368 KB Output is correct
36 Correct 23 ms 2560 KB Output is correct
37 Correct 29 ms 2508 KB Output is correct
38 Correct 45 ms 2552 KB Output is correct
39 Correct 29 ms 2508 KB Output is correct
40 Correct 44 ms 2548 KB Output is correct
41 Correct 42 ms 2508 KB Output is correct
42 Correct 42 ms 2508 KB Output is correct
43 Correct 40 ms 2508 KB Output is correct
44 Correct 39 ms 2508 KB Output is correct
45 Correct 40 ms 2508 KB Output is correct
46 Correct 38 ms 2508 KB Output is correct
47 Correct 41 ms 2508 KB Output is correct
48 Correct 38 ms 2628 KB Output is correct
49 Correct 33 ms 2508 KB Output is correct
50 Correct 41 ms 2552 KB Output is correct
51 Correct 18 ms 2508 KB Output is correct
52 Correct 44 ms 2508 KB Output is correct
53 Correct 47 ms 2508 KB Output is correct
54 Correct 58 ms 2676 KB Output is correct
55 Correct 67 ms 2756 KB Output is correct
56 Correct 50 ms 2508 KB Output is correct
57 Correct 71 ms 2756 KB Output is correct
58 Correct 67 ms 2508 KB Output is correct
59 Correct 59 ms 2556 KB Output is correct
60 Correct 16 ms 2508 KB Output is correct
61 Correct 64 ms 2756 KB Output is correct
62 Correct 61 ms 2756 KB Output is correct
63 Correct 86 ms 2756 KB Output is correct
64 Correct 63 ms 2756 KB Output is correct
65 Correct 40 ms 2508 KB Output is correct
66 Correct 50 ms 2508 KB Output is correct
67 Correct 78 ms 2756 KB Output is correct
68 Correct 25 ms 2508 KB Output is correct
69 Correct 128 ms 3148 KB Output is correct
70 Correct 129 ms 2756 KB Output is correct
71 Correct 111 ms 2756 KB Output is correct
72 Correct 67 ms 2508 KB Output is correct
73 Correct 73 ms 2508 KB Output is correct
74 Correct 131 ms 3012 KB Output is correct
75 Correct 118 ms 3008 KB Output is correct
76 Correct 148 ms 3008 KB Output is correct
77 Correct 127 ms 3268 KB Output is correct