oj.uz

Submission #697015

# Submission time Handle Problem Language Result Execution time Memory
697015 2023-02-07T22:52:13 Z allllekssssa Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 17492 KB 
#include<bits/stdc++.h>
 
using namespace std;
 
const int maxN = 500 + 5;
const int bsSize = maxN * maxN + 10;
int n;
int a[maxN];
int cnt[maxN];
bitset<bsSize> dp[2][maxN], pre;

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];
	}

	if (sum & 1) {
    	printf("0\n");
    	return 0;    	
    }
    

	for (int i = 1; i <= n + 1; i++) {
		dp[0][i].set(0);
	}
 
	for (int i = 1; i<=n; i++) {
		bool updated = false;
		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 {
					if (updated) {
						dp[i&1][j] = pre;
					} else {
					dp[i&1][j] = dp[(i&1) ^ 1][j] | (dp[(i&1) ^ 1][j] << a[i]);
					if (i < j && !updated) {
			   			pre = dp[i&1][j];
			   			updated = true;
			   	    }
			   	}
			 }
		}
	}


	if (dp[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 (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 852 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 2 ms 1108 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 1108 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 596 KB Output is correct
2 Correct 1 ms 852 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 2 ms 1108 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 1108 KB Output is correct
9 Correct 0 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 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 3 ms 1108 KB Output is correct
15 Correct 3 ms 980 KB Output is correct
16 Correct 3 ms 1108 KB Output is correct
17 Correct 2 ms 980 KB Output is correct
18 Correct 2 ms 1108 KB Output is correct
19 Correct 3 ms 1108 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 852 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 2 ms 1108 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 1108 KB Output is correct
9 Correct 0 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 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 3 ms 1108 KB Output is correct
15 Correct 3 ms 980 KB Output is correct
16 Correct 3 ms 1108 KB Output is correct
17 Correct 2 ms 980 KB Output is correct
18 Correct 2 ms 1108 KB Output is correct
19 Correct 3 ms 1108 KB Output is correct
20 Correct 1 ms 596 KB Output is correct
21 Correct 20 ms 2772 KB Output is correct
22 Correct 19 ms 3068 KB Output is correct
23 Correct 9 ms 2360 KB Output is correct
24 Correct 29 ms 3364 KB Output is correct
25 Correct 7 ms 1236 KB Output is correct
26 Correct 7 ms 1236 KB Output is correct
27 Correct 7 ms 1236 KB Output is correct
28 Correct 4 ms 980 KB Output is correct
29 Correct 5 ms 980 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 21 ms 2388 KB Output is correct
32 Correct 36 ms 3508 KB Output is correct
33 Correct 4 ms 948 KB Output is correct
34 Correct 3 ms 852 KB Output is correct
35 Correct 6 ms 980 KB Output is correct
36 Correct 33 ms 3884 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 852 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 2 ms 1108 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 1108 KB Output is correct
9 Correct 0 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 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 3 ms 1108 KB Output is correct
15 Correct 3 ms 980 KB Output is correct
16 Correct 3 ms 1108 KB Output is correct
17 Correct 2 ms 980 KB Output is correct
18 Correct 2 ms 1108 KB Output is correct
19 Correct 3 ms 1108 KB Output is correct
20 Correct 1 ms 596 KB Output is correct
21 Correct 20 ms 2772 KB Output is correct
22 Correct 19 ms 3068 KB Output is correct
23 Correct 9 ms 2360 KB Output is correct
24 Correct 29 ms 3364 KB Output is correct
25 Correct 7 ms 1236 KB Output is correct
26 Correct 7 ms 1236 KB Output is correct
27 Correct 7 ms 1236 KB Output is correct
28 Correct 4 ms 980 KB Output is correct
29 Correct 5 ms 980 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 21 ms 2388 KB Output is correct
32 Correct 36 ms 3508 KB Output is correct
33 Correct 4 ms 948 KB Output is correct
34 Correct 3 ms 852 KB Output is correct
35 Correct 6 ms 980 KB Output is correct
36 Correct 33 ms 3884 KB Output is correct
37 Correct 79 ms 4312 KB Output is correct
38 Correct 80 ms 4432 KB Output is correct
39 Correct 6 ms 1492 KB Output is correct
40 Correct 302 ms 9772 KB Output is correct
41 Correct 6 ms 1620 KB Output is correct
42 Correct 209 ms 8312 KB Output is correct
43 Correct 61 ms 3248 KB Output is correct
44 Correct 65 ms 3360 KB Output is correct
45 Correct 63 ms 3384 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 206 ms 8268 KB Output is correct
48 Correct 21 ms 2004 KB Output is correct
49 Correct 16 ms 1672 KB Output is correct
50 Correct 242 ms 9124 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 39 ms 2624 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 852 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 2 ms 1108 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 1108 KB Output is correct
9 Correct 0 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 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 3 ms 1108 KB Output is correct
15 Correct 3 ms 980 KB Output is correct
16 Correct 3 ms 1108 KB Output is correct
17 Correct 2 ms 980 KB Output is correct
18 Correct 2 ms 1108 KB Output is correct
19 Correct 3 ms 1108 KB Output is correct
20 Correct 1 ms 596 KB Output is correct
21 Correct 20 ms 2772 KB Output is correct
22 Correct 19 ms 3068 KB Output is correct
23 Correct 9 ms 2360 KB Output is correct
24 Correct 29 ms 3364 KB Output is correct
25 Correct 7 ms 1236 KB Output is correct
26 Correct 7 ms 1236 KB Output is correct
27 Correct 7 ms 1236 KB Output is correct
28 Correct 4 ms 980 KB Output is correct
29 Correct 5 ms 980 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 21 ms 2388 KB Output is correct
32 Correct 36 ms 3508 KB Output is correct
33 Correct 4 ms 948 KB Output is correct
34 Correct 3 ms 852 KB Output is correct
35 Correct 6 ms 980 KB Output is correct
36 Correct 33 ms 3884 KB Output is correct
37 Correct 79 ms 4312 KB Output is correct
38 Correct 80 ms 4432 KB Output is correct
39 Correct 6 ms 1492 KB Output is correct
40 Correct 302 ms 9772 KB Output is correct
41 Correct 6 ms 1620 KB Output is correct
42 Correct 209 ms 8312 KB Output is correct
43 Correct 61 ms 3248 KB Output is correct
44 Correct 65 ms 3360 KB Output is correct
45 Correct 63 ms 3384 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 206 ms 8268 KB Output is correct
48 Correct 21 ms 2004 KB Output is correct
49 Correct 16 ms 1672 KB Output is correct
50 Correct 242 ms 9124 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 39 ms 2624 KB Output is correct
53 Correct 280 ms 8908 KB Output is correct
54 Correct 382 ms 9424 KB Output is correct
55 Correct 64 ms 3192 KB Output is correct
56 Correct 341 ms 9948 KB Output is correct
57 Correct 79 ms 3400 KB Output is correct
58 Correct 564 ms 12776 KB Output is correct
59 Correct 312 ms 8120 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 293 ms 8312 KB Output is correct
62 Correct 150 ms 5320 KB Output is correct
63 Correct 93 ms 3832 KB Output is correct
64 Correct 105 ms 3784 KB Output is correct
65 Correct 27 ms 2240 KB Output is correct
66 Correct 91 ms 3840 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 852 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 2 ms 1108 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 1108 KB Output is correct
9 Correct 0 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 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 3 ms 1108 KB Output is correct
15 Correct 3 ms 980 KB Output is correct
16 Correct 3 ms 1108 KB Output is correct
17 Correct 2 ms 980 KB Output is correct
18 Correct 2 ms 1108 KB Output is correct
19 Correct 3 ms 1108 KB Output is correct
20 Correct 1 ms 596 KB Output is correct
21 Correct 20 ms 2772 KB Output is correct
22 Correct 19 ms 3068 KB Output is correct
23 Correct 9 ms 2360 KB Output is correct
24 Correct 29 ms 3364 KB Output is correct
25 Correct 7 ms 1236 KB Output is correct
26 Correct 7 ms 1236 KB Output is correct
27 Correct 7 ms 1236 KB Output is correct
28 Correct 4 ms 980 KB Output is correct
29 Correct 5 ms 980 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 21 ms 2388 KB Output is correct
32 Correct 36 ms 3508 KB Output is correct
33 Correct 4 ms 948 KB Output is correct
34 Correct 3 ms 852 KB Output is correct
35 Correct 6 ms 980 KB Output is correct
36 Correct 33 ms 3884 KB Output is correct
37 Correct 79 ms 4312 KB Output is correct
38 Correct 80 ms 4432 KB Output is correct
39 Correct 6 ms 1492 KB Output is correct
40 Correct 302 ms 9772 KB Output is correct
41 Correct 6 ms 1620 KB Output is correct
42 Correct 209 ms 8312 KB Output is correct
43 Correct 61 ms 3248 KB Output is correct
44 Correct 65 ms 3360 KB Output is correct
45 Correct 63 ms 3384 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 206 ms 8268 KB Output is correct
48 Correct 21 ms 2004 KB Output is correct
49 Correct 16 ms 1672 KB Output is correct
50 Correct 242 ms 9124 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 39 ms 2624 KB Output is correct
53 Correct 280 ms 8908 KB Output is correct
54 Correct 382 ms 9424 KB Output is correct
55 Correct 64 ms 3192 KB Output is correct
56 Correct 341 ms 9948 KB Output is correct
57 Correct 79 ms 3400 KB Output is correct
58 Correct 564 ms 12776 KB Output is correct
59 Correct 312 ms 8120 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 293 ms 8312 KB Output is correct
62 Correct 150 ms 5320 KB Output is correct
63 Correct 93 ms 3832 KB Output is correct
64 Correct 105 ms 3784 KB Output is correct
65 Correct 27 ms 2240 KB Output is correct
66 Correct 91 ms 3840 KB Output is correct
67 Correct 659 ms 14960 KB Output is correct
68 Correct 0 ms 340 KB Output is correct
69 Correct 180 ms 5192 KB Output is correct
70 Execution timed out 1088 ms 17492 KB Time limit exceeded
71 Halted 0 ms 0 KB -