oj.uz

Submission #697011

# Submission time Handle Problem Language Result Execution time Memory
697011 2023-02-07T22:30:42 Z allllekssssa Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 15424 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++) {
		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 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 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 1 ms 484 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 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 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 1 ms 484 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 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 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 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 1 ms 484 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 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 5 ms 1108 KB Output is correct
25 Correct 3 ms 980 KB Output is correct
26 Correct 2 ms 980 KB Output is correct
27 Correct 2 ms 980 KB Output is correct
28 Correct 1 ms 980 KB Output is correct
29 Correct 2 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 5 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 2 ms 980 KB Output is correct
36 Correct 5 ms 1108 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 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 1 ms 484 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 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 5 ms 1108 KB Output is correct
25 Correct 3 ms 980 KB Output is correct
26 Correct 2 ms 980 KB Output is correct
27 Correct 2 ms 980 KB Output is correct
28 Correct 1 ms 980 KB Output is correct
29 Correct 2 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 5 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 2 ms 980 KB Output is correct
36 Correct 5 ms 1108 KB Output is correct
37 Correct 128 ms 4740 KB Output is correct
38 Correct 104 ms 4912 KB Output is correct
39 Correct 2 ms 1876 KB Output is correct
40 Correct 430 ms 10344 KB Output is correct
41 Correct 2 ms 2004 KB Output is correct
42 Correct 319 ms 8828 KB Output is correct
43 Correct 71 ms 3788 KB Output is correct
44 Correct 73 ms 3888 KB Output is correct
45 Correct 74 ms 3908 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 335 ms 8716 KB Output is correct
48 Correct 27 ms 2632 KB Output is correct
49 Correct 21 ms 2252 KB Output is correct
50 Correct 375 ms 9644 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 50 ms 3192 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 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 1 ms 484 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 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 5 ms 1108 KB Output is correct
25 Correct 3 ms 980 KB Output is correct
26 Correct 2 ms 980 KB Output is correct
27 Correct 2 ms 980 KB Output is correct
28 Correct 1 ms 980 KB Output is correct
29 Correct 2 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 5 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 2 ms 980 KB Output is correct
36 Correct 5 ms 1108 KB Output is correct
37 Correct 128 ms 4740 KB Output is correct
38 Correct 104 ms 4912 KB Output is correct
39 Correct 2 ms 1876 KB Output is correct
40 Correct 430 ms 10344 KB Output is correct
41 Correct 2 ms 2004 KB Output is correct
42 Correct 319 ms 8828 KB Output is correct
43 Correct 71 ms 3788 KB Output is correct
44 Correct 73 ms 3888 KB Output is correct
45 Correct 74 ms 3908 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 335 ms 8716 KB Output is correct
48 Correct 27 ms 2632 KB Output is correct
49 Correct 21 ms 2252 KB Output is correct
50 Correct 375 ms 9644 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 50 ms 3192 KB Output is correct
53 Correct 421 ms 9500 KB Output is correct
54 Correct 533 ms 10156 KB Output is correct
55 Correct 82 ms 3980 KB Output is correct
56 Correct 496 ms 10668 KB Output is correct
57 Correct 91 ms 4236 KB Output is correct
58 Correct 872 ms 13544 KB Output is correct
59 Correct 413 ms 8880 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 418 ms 8992 KB Output is correct
62 Correct 192 ms 6020 KB Output is correct
63 Correct 111 ms 4592 KB Output is correct
64 Correct 118 ms 4524 KB Output is correct
65 Correct 4 ms 2388 KB Output is correct
66 Correct 17 ms 2516 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 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 1 ms 484 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 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 5 ms 1108 KB Output is correct
25 Correct 3 ms 980 KB Output is correct
26 Correct 2 ms 980 KB Output is correct
27 Correct 2 ms 980 KB Output is correct
28 Correct 1 ms 980 KB Output is correct
29 Correct 2 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 5 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 2 ms 980 KB Output is correct
36 Correct 5 ms 1108 KB Output is correct
37 Correct 128 ms 4740 KB Output is correct
38 Correct 104 ms 4912 KB Output is correct
39 Correct 2 ms 1876 KB Output is correct
40 Correct 430 ms 10344 KB Output is correct
41 Correct 2 ms 2004 KB Output is correct
42 Correct 319 ms 8828 KB Output is correct
43 Correct 71 ms 3788 KB Output is correct
44 Correct 73 ms 3888 KB Output is correct
45 Correct 74 ms 3908 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 335 ms 8716 KB Output is correct
48 Correct 27 ms 2632 KB Output is correct
49 Correct 21 ms 2252 KB Output is correct
50 Correct 375 ms 9644 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 50 ms 3192 KB Output is correct
53 Correct 421 ms 9500 KB Output is correct
54 Correct 533 ms 10156 KB Output is correct
55 Correct 82 ms 3980 KB Output is correct
56 Correct 496 ms 10668 KB Output is correct
57 Correct 91 ms 4236 KB Output is correct
58 Correct 872 ms 13544 KB Output is correct
59 Correct 413 ms 8880 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 418 ms 8992 KB Output is correct
62 Correct 192 ms 6020 KB Output is correct
63 Correct 111 ms 4592 KB Output is correct
64 Correct 118 ms 4524 KB Output is correct
65 Correct 4 ms 2388 KB Output is correct
66 Correct 17 ms 2516 KB Output is correct
67 Execution timed out 1091 ms 15424 KB Time limit exceeded
68 Halted 0 ms 0 KB -