Submission #36161

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
36161	2017-12-06T05:23:13 Z	cheater2k	Bootfall (IZhO17_bootfall)	C++14	100 / 100	496 ms	5164 KB

bootfall

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

const int N = 505;
const int MAX = N * N;

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]];
		}
	}
	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]];
		}
	}

	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	0 ms	5164 KB	Output is correct
23	Correct	0 ms	5164 KB	Output is correct
24	Correct	0 ms	5164 KB	Output is correct
25	Correct	3 ms	5164 KB	Output is correct
26	Correct	3 ms	5164 KB	Output is correct
27	Correct	3 ms	5164 KB	Output is correct
28	Correct	3 ms	5164 KB	Output is correct
29	Correct	3 ms	5164 KB	Output is correct
30	Correct	3 ms	5164 KB	Output is correct
31	Correct	3 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	0 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	0 ms	5164 KB	Output is correct
23	Correct	0 ms	5164 KB	Output is correct
24	Correct	0 ms	5164 KB	Output is correct
25	Correct	3 ms	5164 KB	Output is correct
26	Correct	3 ms	5164 KB	Output is correct
27	Correct	3 ms	5164 KB	Output is correct
28	Correct	3 ms	5164 KB	Output is correct
29	Correct	3 ms	5164 KB	Output is correct
30	Correct	3 ms	5164 KB	Output is correct
31	Correct	3 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	0 ms	5164 KB	Output is correct
37	Correct	13 ms	5164 KB	Output is correct
38	Correct	19 ms	5164 KB	Output is correct
39	Correct	49 ms	5164 KB	Output is correct
40	Correct	43 ms	5164 KB	Output is correct
41	Correct	66 ms	5164 KB	Output is correct
42	Correct	36 ms	5164 KB	Output is correct
43	Correct	56 ms	5164 KB	Output is correct
44	Correct	66 ms	5164 KB	Output is correct
45	Correct	53 ms	5164 KB	Output is correct
46	Correct	29 ms	5164 KB	Output is correct
47	Correct	33 ms	5164 KB	Output is correct
48	Correct	56 ms	5164 KB	Output is correct
49	Correct	56 ms	5164 KB	Output is correct
50	Correct	29 ms	5164 KB	Output is correct
51	Correct	3 ms	5164 KB	Output is correct
52	Correct	83 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	0 ms	5164 KB	Output is correct
23	Correct	0 ms	5164 KB	Output is correct
24	Correct	0 ms	5164 KB	Output is correct
25	Correct	3 ms	5164 KB	Output is correct
26	Correct	3 ms	5164 KB	Output is correct
27	Correct	3 ms	5164 KB	Output is correct
28	Correct	3 ms	5164 KB	Output is correct
29	Correct	3 ms	5164 KB	Output is correct
30	Correct	3 ms	5164 KB	Output is correct
31	Correct	3 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	0 ms	5164 KB	Output is correct
37	Correct	13 ms	5164 KB	Output is correct
38	Correct	19 ms	5164 KB	Output is correct
39	Correct	49 ms	5164 KB	Output is correct
40	Correct	43 ms	5164 KB	Output is correct
41	Correct	66 ms	5164 KB	Output is correct
42	Correct	36 ms	5164 KB	Output is correct
43	Correct	56 ms	5164 KB	Output is correct
44	Correct	66 ms	5164 KB	Output is correct
45	Correct	53 ms	5164 KB	Output is correct
46	Correct	29 ms	5164 KB	Output is correct
47	Correct	33 ms	5164 KB	Output is correct
48	Correct	56 ms	5164 KB	Output is correct
49	Correct	56 ms	5164 KB	Output is correct
50	Correct	29 ms	5164 KB	Output is correct
51	Correct	3 ms	5164 KB	Output is correct
52	Correct	83 ms	5164 KB	Output is correct
53	Correct	56 ms	5164 KB	Output is correct
54	Correct	69 ms	5164 KB	Output is correct
55	Correct	153 ms	5164 KB	Output is correct
56	Correct	66 ms	5164 KB	Output is correct
57	Correct	153 ms	5164 KB	Output is correct
58	Correct	99 ms	5164 KB	Output is correct
59	Correct	119 ms	5164 KB	Output is correct
60	Correct	16 ms	5164 KB	Output is correct
61	Correct	123 ms	5164 KB	Output is correct
62	Correct	116 ms	5164 KB	Output is correct
63	Correct	126 ms	5164 KB	Output is correct
64	Correct	119 ms	5164 KB	Output is correct
65	Correct	56 ms	5164 KB	Output is correct
66	Correct	53 ms	5164 KB	Output is correct

Subtask #6
35.0 / 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	0 ms	5164 KB	Output is correct
23	Correct	0 ms	5164 KB	Output is correct
24	Correct	0 ms	5164 KB	Output is correct
25	Correct	3 ms	5164 KB	Output is correct
26	Correct	3 ms	5164 KB	Output is correct
27	Correct	3 ms	5164 KB	Output is correct
28	Correct	3 ms	5164 KB	Output is correct
29	Correct	3 ms	5164 KB	Output is correct
30	Correct	3 ms	5164 KB	Output is correct
31	Correct	3 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	0 ms	5164 KB	Output is correct
37	Correct	13 ms	5164 KB	Output is correct
38	Correct	19 ms	5164 KB	Output is correct
39	Correct	49 ms	5164 KB	Output is correct
40	Correct	43 ms	5164 KB	Output is correct
41	Correct	66 ms	5164 KB	Output is correct
42	Correct	36 ms	5164 KB	Output is correct
43	Correct	56 ms	5164 KB	Output is correct
44	Correct	66 ms	5164 KB	Output is correct
45	Correct	53 ms	5164 KB	Output is correct
46	Correct	29 ms	5164 KB	Output is correct
47	Correct	33 ms	5164 KB	Output is correct
48	Correct	56 ms	5164 KB	Output is correct
49	Correct	56 ms	5164 KB	Output is correct
50	Correct	29 ms	5164 KB	Output is correct
51	Correct	3 ms	5164 KB	Output is correct
52	Correct	83 ms	5164 KB	Output is correct
53	Correct	56 ms	5164 KB	Output is correct
54	Correct	69 ms	5164 KB	Output is correct
55	Correct	153 ms	5164 KB	Output is correct
56	Correct	66 ms	5164 KB	Output is correct
57	Correct	153 ms	5164 KB	Output is correct
58	Correct	99 ms	5164 KB	Output is correct
59	Correct	119 ms	5164 KB	Output is correct
60	Correct	16 ms	5164 KB	Output is correct
61	Correct	123 ms	5164 KB	Output is correct
62	Correct	116 ms	5164 KB	Output is correct
63	Correct	126 ms	5164 KB	Output is correct
64	Correct	119 ms	5164 KB	Output is correct
65	Correct	56 ms	5164 KB	Output is correct
66	Correct	53 ms	5164 KB	Output is correct
67	Correct	133 ms	5164 KB	Output is correct
68	Correct	46 ms	5164 KB	Output is correct
69	Correct	399 ms	5164 KB	Output is correct
70	Correct	246 ms	5164 KB	Output is correct
71	Correct	236 ms	5164 KB	Output is correct
72	Correct	239 ms	5164 KB	Output is correct
73	Correct	233 ms	5164 KB	Output is correct
74	Correct	439 ms	5164 KB	Output is correct
75	Correct	336 ms	5164 KB	Output is correct
76	Correct	496 ms	5164 KB	Output is correct
77	Correct	456 ms	5164 KB	Output is correct

Submission #36161

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 35.0 / 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
35.0 / 35.0