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Submission #697013

# Submission time Handle Problem Language Result Execution time Memory
697013 2023-02-07T22:32:36 Z allllekssssa Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 15920 KB 
#include<bits/stdc++.h>
 
using namespace std;
 
const int maxN = 500 + 5;
const int bsSize = maxN * maxN + 10;
const int limit = 18000;
int n;
int a[maxN];
int cnt[maxN];
bitset<bsSize> dp[2][maxN];
bitset<limit> dp1[2][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);
		dp1[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 (sum < limit) {
				if (i == j) {
				dp1[i&1][j] = dp1[(i&1) ^ 1][j];
			} else {
				dp1[i&1][j] = dp1[(i&1) ^ 1][j] | (dp1[(i&1) ^ 1][j] << a[i]);
			}

			} else {
			
			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 ((sum >= limit && dp[n&1][n + 1][sum/2] == 0) || (sum < limit && dp1[n&1][n + 1][sum/2] == 0)) {
		printf("0\n");
		return 0;
	}

    vector<int> ans;
 
	for (int i = 1; i <= sum; i+=2) {
		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 ((sum>= limit && dp[n&1][j][totSum/2] == 0) || (sum < limit && dp1[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 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 468 KB Output is correct
9 Correct 0 ms 340 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 468 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 468 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 3 ms 852 KB Output is correct
22 Correct 3 ms 980 KB Output is correct
23 Correct 2 ms 724 KB Output is correct
24 Correct 4 ms 1108 KB Output is correct
25 Correct 2 ms 980 KB Output is correct
26 Correct 2 ms 980 KB Output is correct
27 Correct 1 ms 980 KB Output is correct
28 Correct 1 ms 980 KB Output is correct
29 Correct 1 ms 980 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 4 ms 1108 KB Output is correct
32 Correct 4 ms 1108 KB Output is correct
33 Correct 1 ms 980 KB Output is correct
34 Correct 1 ms 980 KB Output is correct
35 Correct 1 ms 980 KB Output is correct
36 Correct 8 ms 1108 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 468 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 3 ms 852 KB Output is correct
22 Correct 3 ms 980 KB Output is correct
23 Correct 2 ms 724 KB Output is correct
24 Correct 4 ms 1108 KB Output is correct
25 Correct 2 ms 980 KB Output is correct
26 Correct 2 ms 980 KB Output is correct
27 Correct 1 ms 980 KB Output is correct
28 Correct 1 ms 980 KB Output is correct
29 Correct 1 ms 980 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 4 ms 1108 KB Output is correct
32 Correct 4 ms 1108 KB Output is correct
33 Correct 1 ms 980 KB Output is correct
34 Correct 1 ms 980 KB Output is correct
35 Correct 1 ms 980 KB Output is correct
36 Correct 8 ms 1108 KB Output is correct
37 Correct 126 ms 4740 KB Output is correct
38 Correct 105 ms 4912 KB Output is correct
39 Correct 1 ms 1876 KB Output is correct
40 Correct 500 ms 10352 KB Output is correct
41 Correct 2 ms 2004 KB Output is correct
42 Correct 287 ms 8828 KB Output is correct
43 Correct 67 ms 3876 KB Output is correct
44 Correct 71 ms 3892 KB Output is correct
45 Correct 75 ms 3892 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 292 ms 8716 KB Output is correct
48 Correct 22 ms 2644 KB Output is correct
49 Correct 17 ms 2260 KB Output is correct
50 Correct 394 ms 9644 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 40 ms 3196 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 468 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 3 ms 852 KB Output is correct
22 Correct 3 ms 980 KB Output is correct
23 Correct 2 ms 724 KB Output is correct
24 Correct 4 ms 1108 KB Output is correct
25 Correct 2 ms 980 KB Output is correct
26 Correct 2 ms 980 KB Output is correct
27 Correct 1 ms 980 KB Output is correct
28 Correct 1 ms 980 KB Output is correct
29 Correct 1 ms 980 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 4 ms 1108 KB Output is correct
32 Correct 4 ms 1108 KB Output is correct
33 Correct 1 ms 980 KB Output is correct
34 Correct 1 ms 980 KB Output is correct
35 Correct 1 ms 980 KB Output is correct
36 Correct 8 ms 1108 KB Output is correct
37 Correct 126 ms 4740 KB Output is correct
38 Correct 105 ms 4912 KB Output is correct
39 Correct 1 ms 1876 KB Output is correct
40 Correct 500 ms 10352 KB Output is correct
41 Correct 2 ms 2004 KB Output is correct
42 Correct 287 ms 8828 KB Output is correct
43 Correct 67 ms 3876 KB Output is correct
44 Correct 71 ms 3892 KB Output is correct
45 Correct 75 ms 3892 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 292 ms 8716 KB Output is correct
48 Correct 22 ms 2644 KB Output is correct
49 Correct 17 ms 2260 KB Output is correct
50 Correct 394 ms 9644 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 40 ms 3196 KB Output is correct
53 Correct 384 ms 9500 KB Output is correct
54 Correct 491 ms 10164 KB Output is correct
55 Correct 66 ms 4016 KB Output is correct
56 Correct 476 ms 10592 KB Output is correct
57 Correct 75 ms 4168 KB Output is correct
58 Correct 795 ms 13548 KB Output is correct
59 Correct 387 ms 8880 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 449 ms 9056 KB Output is correct
62 Correct 168 ms 6020 KB Output is correct
63 Correct 99 ms 4528 KB Output is correct
64 Correct 101 ms 4480 KB Output is correct
65 Correct 4 ms 2388 KB Output is correct
66 Correct 12 ms 2516 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 468 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 3 ms 852 KB Output is correct
22 Correct 3 ms 980 KB Output is correct
23 Correct 2 ms 724 KB Output is correct
24 Correct 4 ms 1108 KB Output is correct
25 Correct 2 ms 980 KB Output is correct
26 Correct 2 ms 980 KB Output is correct
27 Correct 1 ms 980 KB Output is correct
28 Correct 1 ms 980 KB Output is correct
29 Correct 1 ms 980 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 4 ms 1108 KB Output is correct
32 Correct 4 ms 1108 KB Output is correct
33 Correct 1 ms 980 KB Output is correct
34 Correct 1 ms 980 KB Output is correct
35 Correct 1 ms 980 KB Output is correct
36 Correct 8 ms 1108 KB Output is correct
37 Correct 126 ms 4740 KB Output is correct
38 Correct 105 ms 4912 KB Output is correct
39 Correct 1 ms 1876 KB Output is correct
40 Correct 500 ms 10352 KB Output is correct
41 Correct 2 ms 2004 KB Output is correct
42 Correct 287 ms 8828 KB Output is correct
43 Correct 67 ms 3876 KB Output is correct
44 Correct 71 ms 3892 KB Output is correct
45 Correct 75 ms 3892 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 292 ms 8716 KB Output is correct
48 Correct 22 ms 2644 KB Output is correct
49 Correct 17 ms 2260 KB Output is correct
50 Correct 394 ms 9644 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 40 ms 3196 KB Output is correct
53 Correct 384 ms 9500 KB Output is correct
54 Correct 491 ms 10164 KB Output is correct
55 Correct 66 ms 4016 KB Output is correct
56 Correct 476 ms 10592 KB Output is correct
57 Correct 75 ms 4168 KB Output is correct
58 Correct 795 ms 13548 KB Output is correct
59 Correct 387 ms 8880 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 449 ms 9056 KB Output is correct
62 Correct 168 ms 6020 KB Output is correct
63 Correct 99 ms 4528 KB Output is correct
64 Correct 101 ms 4480 KB Output is correct
65 Correct 4 ms 2388 KB Output is correct
66 Correct 12 ms 2516 KB Output is correct
67 Execution timed out 1070 ms 15920 KB Time limit exceeded
68 Halted 0 ms 0 KB -