답안 #51309 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
51309	2018-06-17T12:42:33 Z	Nicksechko	Bootfall (IZhO17_bootfall)	C++14	100 / 100	895 ms	3252 KB

bootfall

#include <iostream>
#include <fstream>
#include <set>
#include <map>
#include <string>
#include <vector>
#include <bitset>
#include <algorithm>
#include <cstring>
#include <cstdlib>
#include <cmath>
#include <cassert>
#include <queue>

#define mp make_pair
#define pb push_back


typedef long long ll;
typedef long double ld;

using namespace std;

const int MX = 250005;
const int MOD = 1e9 + 7;
int n;
int a[502];
int dp[MX];
int fl[MX];
int sum = 0;

void add(int x) {
	for (int i = sum; i >= 0; --i)
		dp[i + x] = (dp[i + x] + dp[i]) % MOD;
	sum += x;
}

void del(int x) {
	sum -= x;
	for (int i = 0; i <= sum; ++i) {
		dp[i + x] = (dp[i + x] - dp[i] + MOD) % MOD;
	}
}

int main() {
//	freopen("bootfall.in", "r", stdin);
//	freopen("bootfall.out", "w", stdout);
	cin >> n;
	for (int i = 0; i < n; ++i)
		cin >> a[i];
	for (int i = 1; i < MX; ++i)
		fl[i] = 1;
	dp[0] = 1;
	for (int i = 0; i < n; ++i)
		add(a[i]);
	if (sum % 2 == 1 || !dp[sum / 2]) {
		cout << 0 << "\n";
		return 0;
	}
	for (int i = 0; i < n; ++i) {
		del(a[i]);
		for (int j = 1; j < MX; ++j) {
			if ((sum + j) % 2 == 1 || !dp[(sum + j) / 2])
				fl[j] = 0;
		}
		add(a[i]);
	}
	int cnt = 0;
	for (int i = 0; i < MX; ++i)
		cnt += fl[i];
	cout << cnt << "\n";
	for (int i = 0; i < MX; ++i)
		if (fl[i])
			cout << i << " ";
	cout << "\n";
	return 0;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	1272 KB	Output is correct
2	Correct	5 ms	1380 KB	Output is correct
3	Correct	3 ms	1380 KB	Output is correct
4	Correct	5 ms	1380 KB	Output is correct
5	Correct	8 ms	1380 KB	Output is correct
6	Correct	6 ms	1432 KB	Output is correct
7	Correct	5 ms	1432 KB	Output is correct
8	Correct	8 ms	1512 KB	Output is correct
9	Correct	8 ms	1552 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	1272 KB	Output is correct
2	Correct	5 ms	1380 KB	Output is correct
3	Correct	3 ms	1380 KB	Output is correct
4	Correct	5 ms	1380 KB	Output is correct
5	Correct	8 ms	1380 KB	Output is correct
6	Correct	6 ms	1432 KB	Output is correct
7	Correct	5 ms	1432 KB	Output is correct
8	Correct	8 ms	1512 KB	Output is correct
9	Correct	8 ms	1552 KB	Output is correct
10	Correct	15 ms	1552 KB	Output is correct
11	Correct	16 ms	1552 KB	Output is correct
12	Correct	17 ms	1816 KB	Output is correct
13	Correct	14 ms	1816 KB	Output is correct
14	Correct	15 ms	1816 KB	Output is correct
15	Correct	14 ms	1816 KB	Output is correct
16	Correct	17 ms	1816 KB	Output is correct
17	Correct	10 ms	1816 KB	Output is correct
18	Correct	14 ms	1816 KB	Output is correct
19	Correct	14 ms	1816 KB	Output is correct
20	Correct	15 ms	1816 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	1272 KB	Output is correct
2	Correct	5 ms	1380 KB	Output is correct
3	Correct	3 ms	1380 KB	Output is correct
4	Correct	5 ms	1380 KB	Output is correct
5	Correct	8 ms	1380 KB	Output is correct
6	Correct	6 ms	1432 KB	Output is correct
7	Correct	5 ms	1432 KB	Output is correct
8	Correct	8 ms	1512 KB	Output is correct
9	Correct	8 ms	1552 KB	Output is correct
10	Correct	15 ms	1552 KB	Output is correct
11	Correct	16 ms	1552 KB	Output is correct
12	Correct	17 ms	1816 KB	Output is correct
13	Correct	14 ms	1816 KB	Output is correct
14	Correct	15 ms	1816 KB	Output is correct
15	Correct	14 ms	1816 KB	Output is correct
16	Correct	17 ms	1816 KB	Output is correct
17	Correct	10 ms	1816 KB	Output is correct
18	Correct	14 ms	1816 KB	Output is correct
19	Correct	14 ms	1816 KB	Output is correct
20	Correct	15 ms	1816 KB	Output is correct
21	Correct	32 ms	1816 KB	Output is correct
22	Correct	36 ms	1816 KB	Output is correct
23	Correct	31 ms	1816 KB	Output is correct
24	Correct	46 ms	1816 KB	Output is correct
25	Correct	45 ms	1816 KB	Output is correct
26	Correct	51 ms	1816 KB	Output is correct
27	Correct	50 ms	1816 KB	Output is correct
28	Correct	57 ms	1816 KB	Output is correct
29	Correct	50 ms	1816 KB	Output is correct
30	Correct	50 ms	1816 KB	Output is correct
31	Correct	51 ms	1816 KB	Output is correct
32	Correct	47 ms	1816 KB	Output is correct
33	Correct	51 ms	1816 KB	Output is correct
34	Correct	49 ms	1816 KB	Output is correct
35	Correct	50 ms	1816 KB	Output is correct
36	Correct	47 ms	1816 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	1272 KB	Output is correct
2	Correct	5 ms	1380 KB	Output is correct
3	Correct	3 ms	1380 KB	Output is correct
4	Correct	5 ms	1380 KB	Output is correct
5	Correct	8 ms	1380 KB	Output is correct
6	Correct	6 ms	1432 KB	Output is correct
7	Correct	5 ms	1432 KB	Output is correct
8	Correct	8 ms	1512 KB	Output is correct
9	Correct	8 ms	1552 KB	Output is correct
10	Correct	15 ms	1552 KB	Output is correct
11	Correct	16 ms	1552 KB	Output is correct
12	Correct	17 ms	1816 KB	Output is correct
13	Correct	14 ms	1816 KB	Output is correct
14	Correct	15 ms	1816 KB	Output is correct
15	Correct	14 ms	1816 KB	Output is correct
16	Correct	17 ms	1816 KB	Output is correct
17	Correct	10 ms	1816 KB	Output is correct
18	Correct	14 ms	1816 KB	Output is correct
19	Correct	14 ms	1816 KB	Output is correct
20	Correct	15 ms	1816 KB	Output is correct
21	Correct	32 ms	1816 KB	Output is correct
22	Correct	36 ms	1816 KB	Output is correct
23	Correct	31 ms	1816 KB	Output is correct
24	Correct	46 ms	1816 KB	Output is correct
25	Correct	45 ms	1816 KB	Output is correct
26	Correct	51 ms	1816 KB	Output is correct
27	Correct	50 ms	1816 KB	Output is correct
28	Correct	57 ms	1816 KB	Output is correct
29	Correct	50 ms	1816 KB	Output is correct
30	Correct	50 ms	1816 KB	Output is correct
31	Correct	51 ms	1816 KB	Output is correct
32	Correct	47 ms	1816 KB	Output is correct
33	Correct	51 ms	1816 KB	Output is correct
34	Correct	49 ms	1816 KB	Output is correct
35	Correct	50 ms	1816 KB	Output is correct
36	Correct	47 ms	1816 KB	Output is correct
37	Correct	107 ms	1816 KB	Output is correct
38	Correct	131 ms	1820 KB	Output is correct
39	Correct	186 ms	1892 KB	Output is correct
40	Correct	164 ms	1892 KB	Output is correct
41	Correct	213 ms	1964 KB	Output is correct
42	Correct	148 ms	1964 KB	Output is correct
43	Correct	177 ms	1964 KB	Output is correct
44	Correct	176 ms	1964 KB	Output is correct
45	Correct	184 ms	2108 KB	Output is correct
46	Correct	171 ms	2108 KB	Output is correct
47	Correct	158 ms	2108 KB	Output is correct
48	Correct	204 ms	2108 KB	Output is correct
49	Correct	192 ms	2108 KB	Output is correct
50	Correct	150 ms	2108 KB	Output is correct
51	Correct	11 ms	2108 KB	Output is correct
52	Correct	216 ms	2108 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	1272 KB	Output is correct
2	Correct	5 ms	1380 KB	Output is correct
3	Correct	3 ms	1380 KB	Output is correct
4	Correct	5 ms	1380 KB	Output is correct
5	Correct	8 ms	1380 KB	Output is correct
6	Correct	6 ms	1432 KB	Output is correct
7	Correct	5 ms	1432 KB	Output is correct
8	Correct	8 ms	1512 KB	Output is correct
9	Correct	8 ms	1552 KB	Output is correct
10	Correct	15 ms	1552 KB	Output is correct
11	Correct	16 ms	1552 KB	Output is correct
12	Correct	17 ms	1816 KB	Output is correct
13	Correct	14 ms	1816 KB	Output is correct
14	Correct	15 ms	1816 KB	Output is correct
15	Correct	14 ms	1816 KB	Output is correct
16	Correct	17 ms	1816 KB	Output is correct
17	Correct	10 ms	1816 KB	Output is correct
18	Correct	14 ms	1816 KB	Output is correct
19	Correct	14 ms	1816 KB	Output is correct
20	Correct	15 ms	1816 KB	Output is correct
21	Correct	32 ms	1816 KB	Output is correct
22	Correct	36 ms	1816 KB	Output is correct
23	Correct	31 ms	1816 KB	Output is correct
24	Correct	46 ms	1816 KB	Output is correct
25	Correct	45 ms	1816 KB	Output is correct
26	Correct	51 ms	1816 KB	Output is correct
27	Correct	50 ms	1816 KB	Output is correct
28	Correct	57 ms	1816 KB	Output is correct
29	Correct	50 ms	1816 KB	Output is correct
30	Correct	50 ms	1816 KB	Output is correct
31	Correct	51 ms	1816 KB	Output is correct
32	Correct	47 ms	1816 KB	Output is correct
33	Correct	51 ms	1816 KB	Output is correct
34	Correct	49 ms	1816 KB	Output is correct
35	Correct	50 ms	1816 KB	Output is correct
36	Correct	47 ms	1816 KB	Output is correct
37	Correct	107 ms	1816 KB	Output is correct
38	Correct	131 ms	1820 KB	Output is correct
39	Correct	186 ms	1892 KB	Output is correct
40	Correct	164 ms	1892 KB	Output is correct
41	Correct	213 ms	1964 KB	Output is correct
42	Correct	148 ms	1964 KB	Output is correct
43	Correct	177 ms	1964 KB	Output is correct
44	Correct	176 ms	1964 KB	Output is correct
45	Correct	184 ms	2108 KB	Output is correct
46	Correct	171 ms	2108 KB	Output is correct
47	Correct	158 ms	2108 KB	Output is correct
48	Correct	204 ms	2108 KB	Output is correct
49	Correct	192 ms	2108 KB	Output is correct
50	Correct	150 ms	2108 KB	Output is correct
51	Correct	11 ms	2108 KB	Output is correct
52	Correct	216 ms	2108 KB	Output is correct
53	Correct	194 ms	2108 KB	Output is correct
54	Correct	249 ms	2108 KB	Output is correct
55	Correct	361 ms	2384 KB	Output is correct
56	Correct	229 ms	2384 KB	Output is correct
57	Correct	353 ms	2492 KB	Output is correct
58	Correct	261 ms	2492 KB	Output is correct
59	Correct	285 ms	2492 KB	Output is correct
60	Correct	23 ms	2492 KB	Output is correct
61	Correct	303 ms	2492 KB	Output is correct
62	Correct	299 ms	2500 KB	Output is correct
63	Correct	307 ms	2500 KB	Output is correct
64	Correct	292 ms	2500 KB	Output is correct
65	Correct	231 ms	2500 KB	Output is correct
66	Correct	217 ms	2500 KB	Output is correct

Subtask #6
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	1272 KB	Output is correct
2	Correct	5 ms	1380 KB	Output is correct
3	Correct	3 ms	1380 KB	Output is correct
4	Correct	5 ms	1380 KB	Output is correct
5	Correct	8 ms	1380 KB	Output is correct
6	Correct	6 ms	1432 KB	Output is correct
7	Correct	5 ms	1432 KB	Output is correct
8	Correct	8 ms	1512 KB	Output is correct
9	Correct	8 ms	1552 KB	Output is correct
10	Correct	15 ms	1552 KB	Output is correct
11	Correct	16 ms	1552 KB	Output is correct
12	Correct	17 ms	1816 KB	Output is correct
13	Correct	14 ms	1816 KB	Output is correct
14	Correct	15 ms	1816 KB	Output is correct
15	Correct	14 ms	1816 KB	Output is correct
16	Correct	17 ms	1816 KB	Output is correct
17	Correct	10 ms	1816 KB	Output is correct
18	Correct	14 ms	1816 KB	Output is correct
19	Correct	14 ms	1816 KB	Output is correct
20	Correct	15 ms	1816 KB	Output is correct
21	Correct	32 ms	1816 KB	Output is correct
22	Correct	36 ms	1816 KB	Output is correct
23	Correct	31 ms	1816 KB	Output is correct
24	Correct	46 ms	1816 KB	Output is correct
25	Correct	45 ms	1816 KB	Output is correct
26	Correct	51 ms	1816 KB	Output is correct
27	Correct	50 ms	1816 KB	Output is correct
28	Correct	57 ms	1816 KB	Output is correct
29	Correct	50 ms	1816 KB	Output is correct
30	Correct	50 ms	1816 KB	Output is correct
31	Correct	51 ms	1816 KB	Output is correct
32	Correct	47 ms	1816 KB	Output is correct
33	Correct	51 ms	1816 KB	Output is correct
34	Correct	49 ms	1816 KB	Output is correct
35	Correct	50 ms	1816 KB	Output is correct
36	Correct	47 ms	1816 KB	Output is correct
37	Correct	107 ms	1816 KB	Output is correct
38	Correct	131 ms	1820 KB	Output is correct
39	Correct	186 ms	1892 KB	Output is correct
40	Correct	164 ms	1892 KB	Output is correct
41	Correct	213 ms	1964 KB	Output is correct
42	Correct	148 ms	1964 KB	Output is correct
43	Correct	177 ms	1964 KB	Output is correct
44	Correct	176 ms	1964 KB	Output is correct
45	Correct	184 ms	2108 KB	Output is correct
46	Correct	171 ms	2108 KB	Output is correct
47	Correct	158 ms	2108 KB	Output is correct
48	Correct	204 ms	2108 KB	Output is correct
49	Correct	192 ms	2108 KB	Output is correct
50	Correct	150 ms	2108 KB	Output is correct
51	Correct	11 ms	2108 KB	Output is correct
52	Correct	216 ms	2108 KB	Output is correct
53	Correct	194 ms	2108 KB	Output is correct
54	Correct	249 ms	2108 KB	Output is correct
55	Correct	361 ms	2384 KB	Output is correct
56	Correct	229 ms	2384 KB	Output is correct
57	Correct	353 ms	2492 KB	Output is correct
58	Correct	261 ms	2492 KB	Output is correct
59	Correct	285 ms	2492 KB	Output is correct
60	Correct	23 ms	2492 KB	Output is correct
61	Correct	303 ms	2492 KB	Output is correct
62	Correct	299 ms	2500 KB	Output is correct
63	Correct	307 ms	2500 KB	Output is correct
64	Correct	292 ms	2500 KB	Output is correct
65	Correct	231 ms	2500 KB	Output is correct
66	Correct	217 ms	2500 KB	Output is correct
67	Correct	315 ms	2500 KB	Output is correct
68	Correct	62 ms	2500 KB	Output is correct
69	Correct	793 ms	3132 KB	Output is correct
70	Correct	549 ms	3132 KB	Output is correct
71	Correct	507 ms	3132 KB	Output is correct
72	Correct	657 ms	3132 KB	Output is correct
73	Correct	509 ms	3132 KB	Output is correct
74	Correct	895 ms	3184 KB	Output is correct
75	Correct	653 ms	3184 KB	Output is correct
76	Correct	822 ms	3252 KB	Output is correct
77	Correct	803 ms	3252 KB	Output is correct

답안 #51309

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