Submission #36160

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
36160	2017-12-06T05:21:25 Z	cheater2k	Bootfall (IZhO17_bootfall)	C++14	65 / 100	1000 ms	5164 KB

bootfall

#include <bits/stdc++.h>
using namespace std;

const int N = 505;
const int MAX = N * N;
const int md = 1e9 + 123;

int n, a[N];
int sum;
int dp[MAX]; // knapsack
int tmp[MAX]; // for solve(pos)
int check[MAX];

void solve(int pos) {
	for (int i = 0; i <= sum; ++i) tmp[i] = dp[i];
	for (int i = 0; i <= sum; ++i) {
		// we do not use a[pos]
		if (i >= a[pos]) {
			tmp[i] -= tmp[i - a[pos]];
			if (tmp[i] < 0) tmp[i] += md;
		}
	}
	for (int i = 0; i <= sum; ++i) {
		if (tmp[i] != 0 && a[pos] + 2 * i - sum >= 0) 
			check[a[pos] + 2 * i - sum]++;
	}
}

int main() {
	ios_base::sync_with_stdio(false); cin.tie(0);
	cin >> n;
	for (int i = 1; i <= n; ++i) cin >> a[i];

	// prepare KNAPSACK
	dp[0] = 1;
	for (int i = 1; i <= n; ++i) {
		sum += a[i];
		for (int j = sum; j >= a[i]; --j) {
			dp[j] += dp[j - a[i]];
			dp[j] %= md;
		}
	}

	if ((sum & 1) || (dp[sum / 2] == 0)) return printf("0\n"), 0; // invalid

	for (int i = 1; i <= n; ++i) solve(i);

	int cnt = 0;
	for (int i = 1; i <= sum; ++i) if (check[i] == n) ++cnt;
	printf("%d\n", cnt);
	for (int i = 1; i <= sum; ++i) if (check[i] == n) printf("%d ", i); printf("\n");
}

Subtask #1
6.0 / 6.0

#	Verdict	Memory	Grader output
1	Correct	5164 KB	Output is correct
2	Correct	5164 KB	Output is correct
3	Correct	5164 KB	Output is correct
4	Correct	5164 KB	Output is correct
5	Correct	5164 KB	Output is correct
6	Correct	5164 KB	Output is correct
7	Correct	5164 KB	Output is correct
8	Correct	5164 KB	Output is correct
9	Correct	5164 KB	Output is correct

Subtask #2
7.0 / 7.0

#	Verdict	Memory	Grader output
1	Correct	5164 KB	Output is correct
2	Correct	5164 KB	Output is correct
3	Correct	5164 KB	Output is correct
4	Correct	5164 KB	Output is correct
5	Correct	5164 KB	Output is correct
6	Correct	5164 KB	Output is correct
7	Correct	5164 KB	Output is correct
8	Correct	5164 KB	Output is correct
9	Correct	5164 KB	Output is correct
10	Correct	5164 KB	Output is correct
11	Correct	5164 KB	Output is correct
12	Correct	5164 KB	Output is correct
13	Correct	5164 KB	Output is correct
14	Correct	5164 KB	Output is correct
15	Correct	5164 KB	Output is correct
16	Correct	5164 KB	Output is correct
17	Correct	5164 KB	Output is correct
18	Correct	5164 KB	Output is correct
19	Correct	5164 KB	Output is correct
20	Correct	5164 KB	Output is correct

Subtask #3
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	5164 KB	Output is correct
2	Correct	0 ms	5164 KB	Output is correct
3	Correct	0 ms	5164 KB	Output is correct
4	Correct	0 ms	5164 KB	Output is correct
5	Correct	0 ms	5164 KB	Output is correct
6	Correct	0 ms	5164 KB	Output is correct
7	Correct	0 ms	5164 KB	Output is correct
8	Correct	0 ms	5164 KB	Output is correct
9	Correct	0 ms	5164 KB	Output is correct
10	Correct	0 ms	5164 KB	Output is correct
11	Correct	0 ms	5164 KB	Output is correct
12	Correct	0 ms	5164 KB	Output is correct
13	Correct	0 ms	5164 KB	Output is correct
14	Correct	0 ms	5164 KB	Output is correct
15	Correct	0 ms	5164 KB	Output is correct
16	Correct	0 ms	5164 KB	Output is correct
17	Correct	0 ms	5164 KB	Output is correct
18	Correct	0 ms	5164 KB	Output is correct
19	Correct	0 ms	5164 KB	Output is correct
20	Correct	0 ms	5164 KB	Output is correct
21	Correct	0 ms	5164 KB	Output is correct
22	Correct	3 ms	5164 KB	Output is correct
23	Correct	0 ms	5164 KB	Output is correct
24	Correct	3 ms	5164 KB	Output is correct
25	Correct	6 ms	5164 KB	Output is correct
26	Correct	6 ms	5164 KB	Output is correct
27	Correct	3 ms	5164 KB	Output is correct
28	Correct	6 ms	5164 KB	Output is correct
29	Correct	6 ms	5164 KB	Output is correct
30	Correct	3 ms	5164 KB	Output is correct
31	Correct	6 ms	5164 KB	Output is correct
32	Correct	3 ms	5164 KB	Output is correct
33	Correct	3 ms	5164 KB	Output is correct
34	Correct	3 ms	5164 KB	Output is correct
35	Correct	6 ms	5164 KB	Output is correct
36	Correct	3 ms	5164 KB	Output is correct

Subtask #4
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	5164 KB	Output is correct
2	Correct	0 ms	5164 KB	Output is correct
3	Correct	0 ms	5164 KB	Output is correct
4	Correct	0 ms	5164 KB	Output is correct
5	Correct	0 ms	5164 KB	Output is correct
6	Correct	0 ms	5164 KB	Output is correct
7	Correct	0 ms	5164 KB	Output is correct
8	Correct	0 ms	5164 KB	Output is correct
9	Correct	0 ms	5164 KB	Output is correct
10	Correct	0 ms	5164 KB	Output is correct
11	Correct	0 ms	5164 KB	Output is correct
12	Correct	0 ms	5164 KB	Output is correct
13	Correct	0 ms	5164 KB	Output is correct
14	Correct	0 ms	5164 KB	Output is correct
15	Correct	0 ms	5164 KB	Output is correct
16	Correct	0 ms	5164 KB	Output is correct
17	Correct	0 ms	5164 KB	Output is correct
18	Correct	0 ms	5164 KB	Output is correct
19	Correct	0 ms	5164 KB	Output is correct
20	Correct	0 ms	5164 KB	Output is correct
21	Correct	0 ms	5164 KB	Output is correct
22	Correct	3 ms	5164 KB	Output is correct
23	Correct	0 ms	5164 KB	Output is correct
24	Correct	3 ms	5164 KB	Output is correct
25	Correct	6 ms	5164 KB	Output is correct
26	Correct	6 ms	5164 KB	Output is correct
27	Correct	3 ms	5164 KB	Output is correct
28	Correct	6 ms	5164 KB	Output is correct
29	Correct	6 ms	5164 KB	Output is correct
30	Correct	3 ms	5164 KB	Output is correct
31	Correct	6 ms	5164 KB	Output is correct
32	Correct	3 ms	5164 KB	Output is correct
33	Correct	3 ms	5164 KB	Output is correct
34	Correct	3 ms	5164 KB	Output is correct
35	Correct	6 ms	5164 KB	Output is correct
36	Correct	3 ms	5164 KB	Output is correct
37	Correct	39 ms	5164 KB	Output is correct
38	Correct	39 ms	5164 KB	Output is correct
39	Correct	73 ms	5164 KB	Output is correct
40	Correct	86 ms	5164 KB	Output is correct
41	Correct	93 ms	5164 KB	Output is correct
42	Correct	86 ms	5164 KB	Output is correct
43	Correct	143 ms	5164 KB	Output is correct
44	Correct	146 ms	5164 KB	Output is correct
45	Correct	149 ms	5164 KB	Output is correct
46	Correct	59 ms	5164 KB	Output is correct
47	Correct	79 ms	5164 KB	Output is correct
48	Correct	143 ms	5164 KB	Output is correct
49	Correct	113 ms	5164 KB	Output is correct
50	Correct	86 ms	5164 KB	Output is correct
51	Correct	9 ms	5164 KB	Output is correct
52	Correct	189 ms	5164 KB	Output is correct

Subtask #5
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	5164 KB	Output is correct
2	Correct	0 ms	5164 KB	Output is correct
3	Correct	0 ms	5164 KB	Output is correct
4	Correct	0 ms	5164 KB	Output is correct
5	Correct	0 ms	5164 KB	Output is correct
6	Correct	0 ms	5164 KB	Output is correct
7	Correct	0 ms	5164 KB	Output is correct
8	Correct	0 ms	5164 KB	Output is correct
9	Correct	0 ms	5164 KB	Output is correct
10	Correct	0 ms	5164 KB	Output is correct
11	Correct	0 ms	5164 KB	Output is correct
12	Correct	0 ms	5164 KB	Output is correct
13	Correct	0 ms	5164 KB	Output is correct
14	Correct	0 ms	5164 KB	Output is correct
15	Correct	0 ms	5164 KB	Output is correct
16	Correct	0 ms	5164 KB	Output is correct
17	Correct	0 ms	5164 KB	Output is correct
18	Correct	0 ms	5164 KB	Output is correct
19	Correct	0 ms	5164 KB	Output is correct
20	Correct	0 ms	5164 KB	Output is correct
21	Correct	0 ms	5164 KB	Output is correct
22	Correct	3 ms	5164 KB	Output is correct
23	Correct	0 ms	5164 KB	Output is correct
24	Correct	3 ms	5164 KB	Output is correct
25	Correct	6 ms	5164 KB	Output is correct
26	Correct	6 ms	5164 KB	Output is correct
27	Correct	3 ms	5164 KB	Output is correct
28	Correct	6 ms	5164 KB	Output is correct
29	Correct	6 ms	5164 KB	Output is correct
30	Correct	3 ms	5164 KB	Output is correct
31	Correct	6 ms	5164 KB	Output is correct
32	Correct	3 ms	5164 KB	Output is correct
33	Correct	3 ms	5164 KB	Output is correct
34	Correct	3 ms	5164 KB	Output is correct
35	Correct	6 ms	5164 KB	Output is correct
36	Correct	3 ms	5164 KB	Output is correct
37	Correct	39 ms	5164 KB	Output is correct
38	Correct	39 ms	5164 KB	Output is correct
39	Correct	73 ms	5164 KB	Output is correct
40	Correct	86 ms	5164 KB	Output is correct
41	Correct	93 ms	5164 KB	Output is correct
42	Correct	86 ms	5164 KB	Output is correct
43	Correct	143 ms	5164 KB	Output is correct
44	Correct	146 ms	5164 KB	Output is correct
45	Correct	149 ms	5164 KB	Output is correct
46	Correct	59 ms	5164 KB	Output is correct
47	Correct	79 ms	5164 KB	Output is correct
48	Correct	143 ms	5164 KB	Output is correct
49	Correct	113 ms	5164 KB	Output is correct
50	Correct	86 ms	5164 KB	Output is correct
51	Correct	9 ms	5164 KB	Output is correct
52	Correct	189 ms	5164 KB	Output is correct
53	Correct	136 ms	5164 KB	Output is correct
54	Correct	209 ms	5164 KB	Output is correct
55	Correct	386 ms	5164 KB	Output is correct
56	Correct	166 ms	5164 KB	Output is correct
57	Correct	419 ms	5164 KB	Output is correct
58	Correct	226 ms	5164 KB	Output is correct
59	Correct	309 ms	5164 KB	Output is correct
60	Correct	29 ms	5164 KB	Output is correct
61	Correct	306 ms	5164 KB	Output is correct
62	Correct	316 ms	5164 KB	Output is correct
63	Correct	329 ms	5164 KB	Output is correct
64	Correct	339 ms	5164 KB	Output is correct
65	Correct	83 ms	5164 KB	Output is correct
66	Correct	86 ms	5164 KB	Output is correct

Subtask #6
0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	5164 KB	Output is correct
2	Correct	0 ms	5164 KB	Output is correct
3	Correct	0 ms	5164 KB	Output is correct
4	Correct	0 ms	5164 KB	Output is correct
5	Correct	0 ms	5164 KB	Output is correct
6	Correct	0 ms	5164 KB	Output is correct
7	Correct	0 ms	5164 KB	Output is correct
8	Correct	0 ms	5164 KB	Output is correct
9	Correct	0 ms	5164 KB	Output is correct
10	Correct	0 ms	5164 KB	Output is correct
11	Correct	0 ms	5164 KB	Output is correct
12	Correct	0 ms	5164 KB	Output is correct
13	Correct	0 ms	5164 KB	Output is correct
14	Correct	0 ms	5164 KB	Output is correct
15	Correct	0 ms	5164 KB	Output is correct
16	Correct	0 ms	5164 KB	Output is correct
17	Correct	0 ms	5164 KB	Output is correct
18	Correct	0 ms	5164 KB	Output is correct
19	Correct	0 ms	5164 KB	Output is correct
20	Correct	0 ms	5164 KB	Output is correct
21	Correct	0 ms	5164 KB	Output is correct
22	Correct	3 ms	5164 KB	Output is correct
23	Correct	0 ms	5164 KB	Output is correct
24	Correct	3 ms	5164 KB	Output is correct
25	Correct	6 ms	5164 KB	Output is correct
26	Correct	6 ms	5164 KB	Output is correct
27	Correct	3 ms	5164 KB	Output is correct
28	Correct	6 ms	5164 KB	Output is correct
29	Correct	6 ms	5164 KB	Output is correct
30	Correct	3 ms	5164 KB	Output is correct
31	Correct	6 ms	5164 KB	Output is correct
32	Correct	3 ms	5164 KB	Output is correct
33	Correct	3 ms	5164 KB	Output is correct
34	Correct	3 ms	5164 KB	Output is correct
35	Correct	6 ms	5164 KB	Output is correct
36	Correct	3 ms	5164 KB	Output is correct
37	Correct	39 ms	5164 KB	Output is correct
38	Correct	39 ms	5164 KB	Output is correct
39	Correct	73 ms	5164 KB	Output is correct
40	Correct	86 ms	5164 KB	Output is correct
41	Correct	93 ms	5164 KB	Output is correct
42	Correct	86 ms	5164 KB	Output is correct
43	Correct	143 ms	5164 KB	Output is correct
44	Correct	146 ms	5164 KB	Output is correct
45	Correct	149 ms	5164 KB	Output is correct
46	Correct	59 ms	5164 KB	Output is correct
47	Correct	79 ms	5164 KB	Output is correct
48	Correct	143 ms	5164 KB	Output is correct
49	Correct	113 ms	5164 KB	Output is correct
50	Correct	86 ms	5164 KB	Output is correct
51	Correct	9 ms	5164 KB	Output is correct
52	Correct	189 ms	5164 KB	Output is correct
53	Correct	136 ms	5164 KB	Output is correct
54	Correct	209 ms	5164 KB	Output is correct
55	Correct	386 ms	5164 KB	Output is correct
56	Correct	166 ms	5164 KB	Output is correct
57	Correct	419 ms	5164 KB	Output is correct
58	Correct	226 ms	5164 KB	Output is correct
59	Correct	309 ms	5164 KB	Output is correct
60	Correct	29 ms	5164 KB	Output is correct
61	Correct	306 ms	5164 KB	Output is correct
62	Correct	316 ms	5164 KB	Output is correct
63	Correct	329 ms	5164 KB	Output is correct
64	Correct	339 ms	5164 KB	Output is correct
65	Correct	83 ms	5164 KB	Output is correct
66	Correct	86 ms	5164 KB	Output is correct
67	Correct	326 ms	5164 KB	Output is correct
68	Correct	79 ms	5164 KB	Output is correct
69	Execution timed out	1000 ms	5164 KB	Execution timed out
70	Halted	0 ms	0 KB	-

Submission #36160

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 15.0 / 15.0

Subtask #4 16.0 / 16.0

Subtask #5 21.0 / 21.0

Subtask #6 0 / 35.0

Subtask #1
6.0 / 6.0

Subtask #2
7.0 / 7.0

Subtask #3
15.0 / 15.0

Subtask #4
16.0 / 16.0

Subtask #5
21.0 / 21.0

Subtask #6
0 / 35.0