답안 #173518

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
173518	2020-01-04T11:28:13 Z	AllMight	Bootfall (IZhO17_bootfall)	C++14	100 / 100	468 ms	4080 KB

bootfall

#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

const int N = 502;

int n;
int a[N];

int knp[N * N];
int cnt[N * N];
vector <int> v;

void check(int ind, int sum)
{
	for (int i = a[ind]; i <= sum; i++)
		knp[i] -= knp[i - a[ind]];

	sum -= a[ind];
	for (int i = 0; 2 * i < sum; i++) {
		if (!knp[i])	continue;
		int ans = sum - 2 * i;
		cnt[ans]++;
		if (ind == 0)
			v.push_back(ans);
	}

	for (int i = sum; i >= 0; i--)
		knp[i + a[ind]] += knp[i];
}

int main()
{
	ios_base::sync_with_stdio(false);

	cin >> n;

	int mx = 0;
	knp[0] = 1;
	for (int i = 0; i < n; i++) {
		cin >> a[i];
		for (int j = mx; j >= 0; j--) {
			if (knp[j]) {
				knp[j + a[i]] += knp[j];
				mx = max(mx, j + a[i]);
			}
		}
	}
	int sum = mx;
	if (sum % 2 || !knp[sum / 2]) {
		cout << "0\n";
		return 0;
	}

	for (int i = 0; i < n; i++)
		check(i, sum);

	vector <int> ans;
	for (int i = 0; i < v.size(); i++)
		if (cnt[v[i]] == n)
			ans.push_back(v[i]);

	sort(ans.begin(), ans.end());
	cout << ans.size() << endl;
	for (int i = 0; i < ans.size(); i++)
		cout << ans[i] << ' ';
	cout << endl;

	return 0;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:61:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < v.size(); i++)
                  ~~^~~~~~~~~~
bootfall.cpp:67:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < ans.size(); i++)
                  ~~^~~~~~~~~~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	3 ms	376 KB	Output is correct
22	Correct	3 ms	376 KB	Output is correct
23	Correct	3 ms	376 KB	Output is correct
24	Correct	4 ms	504 KB	Output is correct
25	Correct	5 ms	504 KB	Output is correct
26	Correct	5 ms	504 KB	Output is correct
27	Correct	5 ms	376 KB	Output is correct
28	Correct	5 ms	504 KB	Output is correct
29	Correct	5 ms	376 KB	Output is correct
30	Correct	4 ms	376 KB	Output is correct
31	Correct	5 ms	504 KB	Output is correct
32	Correct	4 ms	504 KB	Output is correct
33	Correct	4 ms	376 KB	Output is correct
34	Correct	4 ms	404 KB	Output is correct
35	Correct	5 ms	376 KB	Output is correct
36	Correct	4 ms	376 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	3 ms	376 KB	Output is correct
22	Correct	3 ms	376 KB	Output is correct
23	Correct	3 ms	376 KB	Output is correct
24	Correct	4 ms	504 KB	Output is correct
25	Correct	5 ms	504 KB	Output is correct
26	Correct	5 ms	504 KB	Output is correct
27	Correct	5 ms	376 KB	Output is correct
28	Correct	5 ms	504 KB	Output is correct
29	Correct	5 ms	376 KB	Output is correct
30	Correct	4 ms	376 KB	Output is correct
31	Correct	5 ms	504 KB	Output is correct
32	Correct	4 ms	504 KB	Output is correct
33	Correct	4 ms	376 KB	Output is correct
34	Correct	4 ms	404 KB	Output is correct
35	Correct	5 ms	376 KB	Output is correct
36	Correct	4 ms	376 KB	Output is correct
37	Correct	18 ms	632 KB	Output is correct
38	Correct	19 ms	760 KB	Output is correct
39	Correct	32 ms	760 KB	Output is correct
40	Correct	38 ms	888 KB	Output is correct
41	Correct	42 ms	888 KB	Output is correct
42	Correct	33 ms	888 KB	Output is correct
43	Correct	56 ms	1272 KB	Output is correct
44	Correct	58 ms	1272 KB	Output is correct
45	Correct	59 ms	1272 KB	Output is correct
46	Correct	26 ms	632 KB	Output is correct
47	Correct	36 ms	888 KB	Output is correct
48	Correct	54 ms	1272 KB	Output is correct
49	Correct	44 ms	1016 KB	Output is correct
50	Correct	37 ms	888 KB	Output is correct
51	Correct	17 ms	424 KB	Output is correct
52	Correct	73 ms	1448 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	3 ms	376 KB	Output is correct
22	Correct	3 ms	376 KB	Output is correct
23	Correct	3 ms	376 KB	Output is correct
24	Correct	4 ms	504 KB	Output is correct
25	Correct	5 ms	504 KB	Output is correct
26	Correct	5 ms	504 KB	Output is correct
27	Correct	5 ms	376 KB	Output is correct
28	Correct	5 ms	504 KB	Output is correct
29	Correct	5 ms	376 KB	Output is correct
30	Correct	4 ms	376 KB	Output is correct
31	Correct	5 ms	504 KB	Output is correct
32	Correct	4 ms	504 KB	Output is correct
33	Correct	4 ms	376 KB	Output is correct
34	Correct	4 ms	404 KB	Output is correct
35	Correct	5 ms	376 KB	Output is correct
36	Correct	4 ms	376 KB	Output is correct
37	Correct	18 ms	632 KB	Output is correct
38	Correct	19 ms	760 KB	Output is correct
39	Correct	32 ms	760 KB	Output is correct
40	Correct	38 ms	888 KB	Output is correct
41	Correct	42 ms	888 KB	Output is correct
42	Correct	33 ms	888 KB	Output is correct
43	Correct	56 ms	1272 KB	Output is correct
44	Correct	58 ms	1272 KB	Output is correct
45	Correct	59 ms	1272 KB	Output is correct
46	Correct	26 ms	632 KB	Output is correct
47	Correct	36 ms	888 KB	Output is correct
48	Correct	54 ms	1272 KB	Output is correct
49	Correct	44 ms	1016 KB	Output is correct
50	Correct	37 ms	888 KB	Output is correct
51	Correct	17 ms	424 KB	Output is correct
52	Correct	73 ms	1448 KB	Output is correct
53	Correct	59 ms	1104 KB	Output is correct
54	Correct	82 ms	1272 KB	Output is correct
55	Correct	151 ms	2036 KB	Output is correct
56	Correct	73 ms	1340 KB	Output is correct
57	Correct	164 ms	2296 KB	Output is correct
58	Correct	91 ms	1400 KB	Output is correct
59	Correct	114 ms	1752 KB	Output is correct
60	Correct	42 ms	632 KB	Output is correct
61	Correct	126 ms	1792 KB	Output is correct
62	Correct	128 ms	1908 KB	Output is correct
63	Correct	135 ms	1908 KB	Output is correct
64	Correct	131 ms	2036 KB	Output is correct
65	Correct	37 ms	760 KB	Output is correct
66	Correct	38 ms	888 KB	Output is correct

Subtask #6
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	3 ms	376 KB	Output is correct
22	Correct	3 ms	376 KB	Output is correct
23	Correct	3 ms	376 KB	Output is correct
24	Correct	4 ms	504 KB	Output is correct
25	Correct	5 ms	504 KB	Output is correct
26	Correct	5 ms	504 KB	Output is correct
27	Correct	5 ms	376 KB	Output is correct
28	Correct	5 ms	504 KB	Output is correct
29	Correct	5 ms	376 KB	Output is correct
30	Correct	4 ms	376 KB	Output is correct
31	Correct	5 ms	504 KB	Output is correct
32	Correct	4 ms	504 KB	Output is correct
33	Correct	4 ms	376 KB	Output is correct
34	Correct	4 ms	404 KB	Output is correct
35	Correct	5 ms	376 KB	Output is correct
36	Correct	4 ms	376 KB	Output is correct
37	Correct	18 ms	632 KB	Output is correct
38	Correct	19 ms	760 KB	Output is correct
39	Correct	32 ms	760 KB	Output is correct
40	Correct	38 ms	888 KB	Output is correct
41	Correct	42 ms	888 KB	Output is correct
42	Correct	33 ms	888 KB	Output is correct
43	Correct	56 ms	1272 KB	Output is correct
44	Correct	58 ms	1272 KB	Output is correct
45	Correct	59 ms	1272 KB	Output is correct
46	Correct	26 ms	632 KB	Output is correct
47	Correct	36 ms	888 KB	Output is correct
48	Correct	54 ms	1272 KB	Output is correct
49	Correct	44 ms	1016 KB	Output is correct
50	Correct	37 ms	888 KB	Output is correct
51	Correct	17 ms	424 KB	Output is correct
52	Correct	73 ms	1448 KB	Output is correct
53	Correct	59 ms	1104 KB	Output is correct
54	Correct	82 ms	1272 KB	Output is correct
55	Correct	151 ms	2036 KB	Output is correct
56	Correct	73 ms	1340 KB	Output is correct
57	Correct	164 ms	2296 KB	Output is correct
58	Correct	91 ms	1400 KB	Output is correct
59	Correct	114 ms	1752 KB	Output is correct
60	Correct	42 ms	632 KB	Output is correct
61	Correct	126 ms	1792 KB	Output is correct
62	Correct	128 ms	1908 KB	Output is correct
63	Correct	135 ms	1908 KB	Output is correct
64	Correct	131 ms	2036 KB	Output is correct
65	Correct	37 ms	760 KB	Output is correct
66	Correct	38 ms	888 KB	Output is correct
67	Correct	113 ms	1648 KB	Output is correct
68	Correct	66 ms	760 KB	Output is correct
69	Correct	421 ms	3676 KB	Output is correct
70	Correct	268 ms	2548 KB	Output is correct
71	Correct	260 ms	2292 KB	Output is correct
72	Correct	255 ms	1704 KB	Output is correct
73	Correct	252 ms	1652 KB	Output is correct
74	Correct	450 ms	3828 KB	Output is correct
75	Correct	355 ms	3144 KB	Output is correct
76	Correct	453 ms	4028 KB	Output is correct
77	Correct	468 ms	4080 KB	Output is correct

답안 #173518

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