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Submission #697009

# Submission time Handle Problem Language Result Execution time Memory
697009 2023-02-07T22:19:01 Z allllekssssa Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 14664 KB 
#include<bits/stdc++.h>
 
using namespace std;
 
const int maxN = 500 + 5;
const int bsSize = maxN * maxN + 10;
int n;
int a[maxN];
bitset<bsSize> dp[2][maxN];
int cnt[maxN];
 
int main() {
 
	cin >> n;
    
	int sum = 0;
    int gc = 0;
	for (int i = 1; i<=n; i++) {
		cin >> a[i];
		gc = __gcd(a[i], gc);
	}

	for (int i = 1; i<=n; i++) {
		a[i]/=gc;
		if ((a[i] & 1) == 0) {
			printf("0\n");
			return 0;
		}
		if (cnt[a[i]] == 0) cnt[a[i]] = i;
		sum+=a[i];
	}

	for (int i = 1; i <= n + 1; i++) {
		dp[0][i].set(0);
	}
 
	for (int i = 1; i<=n; i++) {
		for (int j = 1; j <= n + 1; j++) {
			if (j<= n && cnt[a[j]] != j) continue;
			if (i == j) {
				dp[i&1][j] = dp[(i&1) ^ 1][j];
			} else {
				dp[i&1][j] = dp[(i&1) ^ 1][j] | (dp[(i&1) ^ 1][j] << a[i]);
			}
		}
	}
    
    if (sum & 1) {
    	printf("0\n");
    	return 0;    	
    }

	if (dp[n&1][n + 1][sum/2] == 0) {
		printf("0\n");
		return 0;
	}
    
    vector<int> ans;
 
	for (int i = 1; i <= sum; i++) {
		bool ok = true;
         
        for (int j = 1; j<= n; j++) {
        	if (cnt[a[j]] != j) continue;
        	int totSum = sum  - a[j] + i;
        	if (totSum % 2 == 1) ok = false;
        	if (dp[n&1][j][totSum/2] == 0) ok = false;
        }
 
		if (ok) ans.push_back(i);
	}
 
	cout << ans.size() << endl;
 
	for (int i:ans) {
		cout << i * gc << " ";
	}
 
	cout << endl;
}

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 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 2 ms 1108 KB Output is correct
6 Correct 1 ms 724 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 3 ms 980 KB Output is correct
9 Correct 1 ms 340 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 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 2 ms 1108 KB Output is correct
6 Correct 1 ms 724 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 3 ms 980 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 3 ms 1108 KB Output is correct
12 Correct 0 ms 328 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 4 ms 1108 KB Output is correct
15 Correct 3 ms 932 KB Output is correct
16 Correct 4 ms 1108 KB Output is correct
17 Correct 2 ms 980 KB Output is correct
18 Correct 3 ms 980 KB Output is correct
19 Correct 3 ms 980 KB Output is correct
20 Correct 1 ms 596 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 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 2 ms 1108 KB Output is correct
6 Correct 1 ms 724 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 3 ms 980 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 3 ms 1108 KB Output is correct
12 Correct 0 ms 328 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 4 ms 1108 KB Output is correct
15 Correct 3 ms 932 KB Output is correct
16 Correct 4 ms 1108 KB Output is correct
17 Correct 2 ms 980 KB Output is correct
18 Correct 3 ms 980 KB Output is correct
19 Correct 3 ms 980 KB Output is correct
20 Correct 1 ms 596 KB Output is correct
21 Correct 22 ms 2772 KB Output is correct
22 Correct 31 ms 2900 KB Output is correct
23 Correct 14 ms 2332 KB Output is correct
24 Correct 40 ms 3328 KB Output is correct
25 Correct 8 ms 1204 KB Output is correct
26 Correct 10 ms 1236 KB Output is correct
27 Correct 8 ms 1248 KB Output is correct
28 Correct 5 ms 1040 KB Output is correct
29 Correct 8 ms 1040 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 26 ms 2388 KB Output is correct
32 Correct 44 ms 3472 KB Output is correct
33 Correct 2 ms 852 KB Output is correct
34 Correct 3 ms 852 KB Output is correct
35 Correct 5 ms 980 KB Output is correct
36 Correct 60 ms 3824 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 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 2 ms 1108 KB Output is correct
6 Correct 1 ms 724 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 3 ms 980 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 3 ms 1108 KB Output is correct
12 Correct 0 ms 328 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 4 ms 1108 KB Output is correct
15 Correct 3 ms 932 KB Output is correct
16 Correct 4 ms 1108 KB Output is correct
17 Correct 2 ms 980 KB Output is correct
18 Correct 3 ms 980 KB Output is correct
19 Correct 3 ms 980 KB Output is correct
20 Correct 1 ms 596 KB Output is correct
21 Correct 22 ms 2772 KB Output is correct
22 Correct 31 ms 2900 KB Output is correct
23 Correct 14 ms 2332 KB Output is correct
24 Correct 40 ms 3328 KB Output is correct
25 Correct 8 ms 1204 KB Output is correct
26 Correct 10 ms 1236 KB Output is correct
27 Correct 8 ms 1248 KB Output is correct
28 Correct 5 ms 1040 KB Output is correct
29 Correct 8 ms 1040 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 26 ms 2388 KB Output is correct
32 Correct 44 ms 3472 KB Output is correct
33 Correct 2 ms 852 KB Output is correct
34 Correct 3 ms 852 KB Output is correct
35 Correct 5 ms 980 KB Output is correct
36 Correct 60 ms 3824 KB Output is correct
37 Correct 100 ms 4284 KB Output is correct
38 Correct 102 ms 4456 KB Output is correct
39 Correct 5 ms 1492 KB Output is correct
40 Correct 451 ms 9744 KB Output is correct
41 Correct 6 ms 1492 KB Output is correct
42 Correct 313 ms 8260 KB Output is correct
43 Correct 75 ms 3220 KB Output is correct
44 Correct 90 ms 3280 KB Output is correct
45 Correct 81 ms 3308 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 295 ms 8232 KB Output is correct
48 Correct 32 ms 2012 KB Output is correct
49 Correct 27 ms 1648 KB Output is correct
50 Correct 377 ms 9072 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 57 ms 2584 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 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 2 ms 1108 KB Output is correct
6 Correct 1 ms 724 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 3 ms 980 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 3 ms 1108 KB Output is correct
12 Correct 0 ms 328 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 4 ms 1108 KB Output is correct
15 Correct 3 ms 932 KB Output is correct
16 Correct 4 ms 1108 KB Output is correct
17 Correct 2 ms 980 KB Output is correct
18 Correct 3 ms 980 KB Output is correct
19 Correct 3 ms 980 KB Output is correct
20 Correct 1 ms 596 KB Output is correct
21 Correct 22 ms 2772 KB Output is correct
22 Correct 31 ms 2900 KB Output is correct
23 Correct 14 ms 2332 KB Output is correct
24 Correct 40 ms 3328 KB Output is correct
25 Correct 8 ms 1204 KB Output is correct
26 Correct 10 ms 1236 KB Output is correct
27 Correct 8 ms 1248 KB Output is correct
28 Correct 5 ms 1040 KB Output is correct
29 Correct 8 ms 1040 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 26 ms 2388 KB Output is correct
32 Correct 44 ms 3472 KB Output is correct
33 Correct 2 ms 852 KB Output is correct
34 Correct 3 ms 852 KB Output is correct
35 Correct 5 ms 980 KB Output is correct
36 Correct 60 ms 3824 KB Output is correct
37 Correct 100 ms 4284 KB Output is correct
38 Correct 102 ms 4456 KB Output is correct
39 Correct 5 ms 1492 KB Output is correct
40 Correct 451 ms 9744 KB Output is correct
41 Correct 6 ms 1492 KB Output is correct
42 Correct 313 ms 8260 KB Output is correct
43 Correct 75 ms 3220 KB Output is correct
44 Correct 90 ms 3280 KB Output is correct
45 Correct 81 ms 3308 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 295 ms 8232 KB Output is correct
48 Correct 32 ms 2012 KB Output is correct
49 Correct 27 ms 1648 KB Output is correct
50 Correct 377 ms 9072 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 57 ms 2584 KB Output is correct
53 Correct 391 ms 8864 KB Output is correct
54 Correct 486 ms 9404 KB Output is correct
55 Correct 98 ms 3156 KB Output is correct
56 Correct 518 ms 9952 KB Output is correct
57 Correct 106 ms 3448 KB Output is correct
58 Correct 817 ms 12712 KB Output is correct
59 Correct 382 ms 8144 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 395 ms 8292 KB Output is correct
62 Correct 205 ms 5320 KB Output is correct
63 Correct 125 ms 3912 KB Output is correct
64 Correct 116 ms 3828 KB Output is correct
65 Correct 27 ms 2196 KB Output is correct
66 Correct 107 ms 3844 KB Output is correct

Subtask #6
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 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 2 ms 1108 KB Output is correct
6 Correct 1 ms 724 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 3 ms 980 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 3 ms 1108 KB Output is correct
12 Correct 0 ms 328 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 4 ms 1108 KB Output is correct
15 Correct 3 ms 932 KB Output is correct
16 Correct 4 ms 1108 KB Output is correct
17 Correct 2 ms 980 KB Output is correct
18 Correct 3 ms 980 KB Output is correct
19 Correct 3 ms 980 KB Output is correct
20 Correct 1 ms 596 KB Output is correct
21 Correct 22 ms 2772 KB Output is correct
22 Correct 31 ms 2900 KB Output is correct
23 Correct 14 ms 2332 KB Output is correct
24 Correct 40 ms 3328 KB Output is correct
25 Correct 8 ms 1204 KB Output is correct
26 Correct 10 ms 1236 KB Output is correct
27 Correct 8 ms 1248 KB Output is correct
28 Correct 5 ms 1040 KB Output is correct
29 Correct 8 ms 1040 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 26 ms 2388 KB Output is correct
32 Correct 44 ms 3472 KB Output is correct
33 Correct 2 ms 852 KB Output is correct
34 Correct 3 ms 852 KB Output is correct
35 Correct 5 ms 980 KB Output is correct
36 Correct 60 ms 3824 KB Output is correct
37 Correct 100 ms 4284 KB Output is correct
38 Correct 102 ms 4456 KB Output is correct
39 Correct 5 ms 1492 KB Output is correct
40 Correct 451 ms 9744 KB Output is correct
41 Correct 6 ms 1492 KB Output is correct
42 Correct 313 ms 8260 KB Output is correct
43 Correct 75 ms 3220 KB Output is correct
44 Correct 90 ms 3280 KB Output is correct
45 Correct 81 ms 3308 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 295 ms 8232 KB Output is correct
48 Correct 32 ms 2012 KB Output is correct
49 Correct 27 ms 1648 KB Output is correct
50 Correct 377 ms 9072 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 57 ms 2584 KB Output is correct
53 Correct 391 ms 8864 KB Output is correct
54 Correct 486 ms 9404 KB Output is correct
55 Correct 98 ms 3156 KB Output is correct
56 Correct 518 ms 9952 KB Output is correct
57 Correct 106 ms 3448 KB Output is correct
58 Correct 817 ms 12712 KB Output is correct
59 Correct 382 ms 8144 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 395 ms 8292 KB Output is correct
62 Correct 205 ms 5320 KB Output is correct
63 Correct 125 ms 3912 KB Output is correct
64 Correct 116 ms 3828 KB Output is correct
65 Correct 27 ms 2196 KB Output is correct
66 Correct 107 ms 3844 KB Output is correct
67 Execution timed out 1046 ms 14664 KB Time limit exceeded
68 Halted 0 ms 0 KB -