답안 #37447 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
37447	2017-12-25T13:48:52 Z	HardNut	Bootfall (IZhO17_bootfall)	C++14	65 / 100	1000 ms	3968 KB

bootfall

#include<bits/stdc++.h>

using namespace std;

const int N = 250005;
const int mod = 1e9 + 7;

typedef long long ll;

int n, a[505], sum;
vector<int> vec;
int ans[N];
int dp[N];

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

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

int main() {
    scanf("%d", &n);
    dp[0] = 1;
    for (int i = 1; i <= n; i++) {
        scanf("%d", &a[i]);
        add(a[i]);
    }
    if (sum % 2 == 1) {
        cout << 0;
        return 0;
    }
    for (int i = 1; i <= sum; i++) {
        ans[i] = 1;
    }
    if (!dp[sum / 2]) {
        cout << 0;
        return 0;
    }
    for (int i = 1; i <= n; i++) {
        del(a[i]);
        for (int j = 1; j <= N; j++) {
            if ((sum + j) % 2) {
                ans[j] = 0;
                continue;
            }
            if (!dp[(sum + j) / 2]) {
                ans[j] = 0;
            }
        }
        add(a[i]);
    }
    int cnt = 0;
    for (int i = 1; i <= sum; i++) {
        cnt += ans[i];
    }
    printf("%d\n", cnt);
    for (int i = 1; i <= sum; i++)
        if (ans[i])
            printf("%d ", i);
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:31:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
bootfall.cpp:34:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &a[i]);
                           ^

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	3968 KB	Output is correct
2	Correct	3 ms	3968 KB	Output is correct
3	Correct	0 ms	3968 KB	Output is correct
4	Correct	0 ms	3968 KB	Output is correct
5	Correct	3 ms	3968 KB	Output is correct
6	Correct	3 ms	3968 KB	Output is correct
7	Correct	3 ms	3968 KB	Output is correct
8	Correct	3 ms	3968 KB	Output is correct
9	Correct	3 ms	3968 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	3968 KB	Output is correct
2	Correct	3 ms	3968 KB	Output is correct
3	Correct	0 ms	3968 KB	Output is correct
4	Correct	0 ms	3968 KB	Output is correct
5	Correct	3 ms	3968 KB	Output is correct
6	Correct	3 ms	3968 KB	Output is correct
7	Correct	3 ms	3968 KB	Output is correct
8	Correct	3 ms	3968 KB	Output is correct
9	Correct	3 ms	3968 KB	Output is correct
10	Correct	6 ms	3968 KB	Output is correct
11	Correct	6 ms	3968 KB	Output is correct
12	Correct	9 ms	3968 KB	Output is correct
13	Correct	6 ms	3968 KB	Output is correct
14	Correct	9 ms	3968 KB	Output is correct
15	Correct	9 ms	3968 KB	Output is correct
16	Correct	9 ms	3968 KB	Output is correct
17	Correct	9 ms	3968 KB	Output is correct
18	Correct	16 ms	3968 KB	Output is correct
19	Correct	6 ms	3968 KB	Output is correct
20	Correct	9 ms	3968 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	3968 KB	Output is correct
2	Correct	3 ms	3968 KB	Output is correct
3	Correct	0 ms	3968 KB	Output is correct
4	Correct	0 ms	3968 KB	Output is correct
5	Correct	3 ms	3968 KB	Output is correct
6	Correct	3 ms	3968 KB	Output is correct
7	Correct	3 ms	3968 KB	Output is correct
8	Correct	3 ms	3968 KB	Output is correct
9	Correct	3 ms	3968 KB	Output is correct
10	Correct	6 ms	3968 KB	Output is correct
11	Correct	6 ms	3968 KB	Output is correct
12	Correct	9 ms	3968 KB	Output is correct
13	Correct	6 ms	3968 KB	Output is correct
14	Correct	9 ms	3968 KB	Output is correct
15	Correct	9 ms	3968 KB	Output is correct
16	Correct	9 ms	3968 KB	Output is correct
17	Correct	9 ms	3968 KB	Output is correct
18	Correct	16 ms	3968 KB	Output is correct
19	Correct	6 ms	3968 KB	Output is correct
20	Correct	9 ms	3968 KB	Output is correct
21	Correct	23 ms	3968 KB	Output is correct
22	Correct	23 ms	3968 KB	Output is correct
23	Correct	16 ms	3968 KB	Output is correct
24	Correct	33 ms	3968 KB	Output is correct
25	Correct	36 ms	3968 KB	Output is correct
26	Correct	39 ms	3968 KB	Output is correct
27	Correct	36 ms	3968 KB	Output is correct
28	Correct	39 ms	3968 KB	Output is correct
29	Correct	36 ms	3968 KB	Output is correct
30	Correct	33 ms	3968 KB	Output is correct
31	Correct	36 ms	3968 KB	Output is correct
32	Correct	33 ms	3968 KB	Output is correct
33	Correct	36 ms	3968 KB	Output is correct
34	Correct	36 ms	3968 KB	Output is correct
35	Correct	36 ms	3968 KB	Output is correct
36	Correct	33 ms	3968 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	3968 KB	Output is correct
2	Correct	3 ms	3968 KB	Output is correct
3	Correct	0 ms	3968 KB	Output is correct
4	Correct	0 ms	3968 KB	Output is correct
5	Correct	3 ms	3968 KB	Output is correct
6	Correct	3 ms	3968 KB	Output is correct
7	Correct	3 ms	3968 KB	Output is correct
8	Correct	3 ms	3968 KB	Output is correct
9	Correct	3 ms	3968 KB	Output is correct
10	Correct	6 ms	3968 KB	Output is correct
11	Correct	6 ms	3968 KB	Output is correct
12	Correct	9 ms	3968 KB	Output is correct
13	Correct	6 ms	3968 KB	Output is correct
14	Correct	9 ms	3968 KB	Output is correct
15	Correct	9 ms	3968 KB	Output is correct
16	Correct	9 ms	3968 KB	Output is correct
17	Correct	9 ms	3968 KB	Output is correct
18	Correct	16 ms	3968 KB	Output is correct
19	Correct	6 ms	3968 KB	Output is correct
20	Correct	9 ms	3968 KB	Output is correct
21	Correct	23 ms	3968 KB	Output is correct
22	Correct	23 ms	3968 KB	Output is correct
23	Correct	16 ms	3968 KB	Output is correct
24	Correct	33 ms	3968 KB	Output is correct
25	Correct	36 ms	3968 KB	Output is correct
26	Correct	39 ms	3968 KB	Output is correct
27	Correct	36 ms	3968 KB	Output is correct
28	Correct	39 ms	3968 KB	Output is correct
29	Correct	36 ms	3968 KB	Output is correct
30	Correct	33 ms	3968 KB	Output is correct
31	Correct	36 ms	3968 KB	Output is correct
32	Correct	33 ms	3968 KB	Output is correct
33	Correct	36 ms	3968 KB	Output is correct
34	Correct	36 ms	3968 KB	Output is correct
35	Correct	36 ms	3968 KB	Output is correct
36	Correct	33 ms	3968 KB	Output is correct
37	Correct	89 ms	3968 KB	Output is correct
38	Correct	86 ms	3968 KB	Output is correct
39	Correct	169 ms	3968 KB	Output is correct
40	Correct	146 ms	3968 KB	Output is correct
41	Correct	209 ms	3968 KB	Output is correct
42	Correct	126 ms	3968 KB	Output is correct
43	Correct	149 ms	3968 KB	Output is correct
44	Correct	159 ms	3968 KB	Output is correct
45	Correct	199 ms	3968 KB	Output is correct
46	Correct	133 ms	3968 KB	Output is correct
47	Correct	126 ms	3968 KB	Output is correct
48	Correct	173 ms	3968 KB	Output is correct
49	Correct	173 ms	3968 KB	Output is correct
50	Correct	126 ms	3968 KB	Output is correct
51	Correct	13 ms	3968 KB	Output is correct
52	Correct	216 ms	3968 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	3968 KB	Output is correct
2	Correct	3 ms	3968 KB	Output is correct
3	Correct	0 ms	3968 KB	Output is correct
4	Correct	0 ms	3968 KB	Output is correct
5	Correct	3 ms	3968 KB	Output is correct
6	Correct	3 ms	3968 KB	Output is correct
7	Correct	3 ms	3968 KB	Output is correct
8	Correct	3 ms	3968 KB	Output is correct
9	Correct	3 ms	3968 KB	Output is correct
10	Correct	6 ms	3968 KB	Output is correct
11	Correct	6 ms	3968 KB	Output is correct
12	Correct	9 ms	3968 KB	Output is correct
13	Correct	6 ms	3968 KB	Output is correct
14	Correct	9 ms	3968 KB	Output is correct
15	Correct	9 ms	3968 KB	Output is correct
16	Correct	9 ms	3968 KB	Output is correct
17	Correct	9 ms	3968 KB	Output is correct
18	Correct	16 ms	3968 KB	Output is correct
19	Correct	6 ms	3968 KB	Output is correct
20	Correct	9 ms	3968 KB	Output is correct
21	Correct	23 ms	3968 KB	Output is correct
22	Correct	23 ms	3968 KB	Output is correct
23	Correct	16 ms	3968 KB	Output is correct
24	Correct	33 ms	3968 KB	Output is correct
25	Correct	36 ms	3968 KB	Output is correct
26	Correct	39 ms	3968 KB	Output is correct
27	Correct	36 ms	3968 KB	Output is correct
28	Correct	39 ms	3968 KB	Output is correct
29	Correct	36 ms	3968 KB	Output is correct
30	Correct	33 ms	3968 KB	Output is correct
31	Correct	36 ms	3968 KB	Output is correct
32	Correct	33 ms	3968 KB	Output is correct
33	Correct	36 ms	3968 KB	Output is correct
34	Correct	36 ms	3968 KB	Output is correct
35	Correct	36 ms	3968 KB	Output is correct
36	Correct	33 ms	3968 KB	Output is correct
37	Correct	89 ms	3968 KB	Output is correct
38	Correct	86 ms	3968 KB	Output is correct
39	Correct	169 ms	3968 KB	Output is correct
40	Correct	146 ms	3968 KB	Output is correct
41	Correct	209 ms	3968 KB	Output is correct
42	Correct	126 ms	3968 KB	Output is correct
43	Correct	149 ms	3968 KB	Output is correct
44	Correct	159 ms	3968 KB	Output is correct
45	Correct	199 ms	3968 KB	Output is correct
46	Correct	133 ms	3968 KB	Output is correct
47	Correct	126 ms	3968 KB	Output is correct
48	Correct	173 ms	3968 KB	Output is correct
49	Correct	173 ms	3968 KB	Output is correct
50	Correct	126 ms	3968 KB	Output is correct
51	Correct	13 ms	3968 KB	Output is correct
52	Correct	216 ms	3968 KB	Output is correct
53	Correct	183 ms	3968 KB	Output is correct
54	Correct	263 ms	3968 KB	Output is correct
55	Correct	366 ms	3968 KB	Output is correct
56	Correct	226 ms	3968 KB	Output is correct
57	Correct	396 ms	3968 KB	Output is correct
58	Correct	229 ms	3968 KB	Output is correct
59	Correct	286 ms	3968 KB	Output is correct
60	Correct	26 ms	3968 KB	Output is correct
61	Correct	316 ms	3968 KB	Output is correct
62	Correct	313 ms	3968 KB	Output is correct
63	Correct	326 ms	3968 KB	Output is correct
64	Correct	323 ms	3968 KB	Output is correct
65	Correct	209 ms	3968 KB	Output is correct
66	Correct	223 ms	3968 KB	Output is correct

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	3968 KB	Output is correct
2	Correct	3 ms	3968 KB	Output is correct
3	Correct	0 ms	3968 KB	Output is correct
4	Correct	0 ms	3968 KB	Output is correct
5	Correct	3 ms	3968 KB	Output is correct
6	Correct	3 ms	3968 KB	Output is correct
7	Correct	3 ms	3968 KB	Output is correct
8	Correct	3 ms	3968 KB	Output is correct
9	Correct	3 ms	3968 KB	Output is correct
10	Correct	6 ms	3968 KB	Output is correct
11	Correct	6 ms	3968 KB	Output is correct
12	Correct	9 ms	3968 KB	Output is correct
13	Correct	6 ms	3968 KB	Output is correct
14	Correct	9 ms	3968 KB	Output is correct
15	Correct	9 ms	3968 KB	Output is correct
16	Correct	9 ms	3968 KB	Output is correct
17	Correct	9 ms	3968 KB	Output is correct
18	Correct	16 ms	3968 KB	Output is correct
19	Correct	6 ms	3968 KB	Output is correct
20	Correct	9 ms	3968 KB	Output is correct
21	Correct	23 ms	3968 KB	Output is correct
22	Correct	23 ms	3968 KB	Output is correct
23	Correct	16 ms	3968 KB	Output is correct
24	Correct	33 ms	3968 KB	Output is correct
25	Correct	36 ms	3968 KB	Output is correct
26	Correct	39 ms	3968 KB	Output is correct
27	Correct	36 ms	3968 KB	Output is correct
28	Correct	39 ms	3968 KB	Output is correct
29	Correct	36 ms	3968 KB	Output is correct
30	Correct	33 ms	3968 KB	Output is correct
31	Correct	36 ms	3968 KB	Output is correct
32	Correct	33 ms	3968 KB	Output is correct
33	Correct	36 ms	3968 KB	Output is correct
34	Correct	36 ms	3968 KB	Output is correct
35	Correct	36 ms	3968 KB	Output is correct
36	Correct	33 ms	3968 KB	Output is correct
37	Correct	89 ms	3968 KB	Output is correct
38	Correct	86 ms	3968 KB	Output is correct
39	Correct	169 ms	3968 KB	Output is correct
40	Correct	146 ms	3968 KB	Output is correct
41	Correct	209 ms	3968 KB	Output is correct
42	Correct	126 ms	3968 KB	Output is correct
43	Correct	149 ms	3968 KB	Output is correct
44	Correct	159 ms	3968 KB	Output is correct
45	Correct	199 ms	3968 KB	Output is correct
46	Correct	133 ms	3968 KB	Output is correct
47	Correct	126 ms	3968 KB	Output is correct
48	Correct	173 ms	3968 KB	Output is correct
49	Correct	173 ms	3968 KB	Output is correct
50	Correct	126 ms	3968 KB	Output is correct
51	Correct	13 ms	3968 KB	Output is correct
52	Correct	216 ms	3968 KB	Output is correct
53	Correct	183 ms	3968 KB	Output is correct
54	Correct	263 ms	3968 KB	Output is correct
55	Correct	366 ms	3968 KB	Output is correct
56	Correct	226 ms	3968 KB	Output is correct
57	Correct	396 ms	3968 KB	Output is correct
58	Correct	229 ms	3968 KB	Output is correct
59	Correct	286 ms	3968 KB	Output is correct
60	Correct	26 ms	3968 KB	Output is correct
61	Correct	316 ms	3968 KB	Output is correct
62	Correct	313 ms	3968 KB	Output is correct
63	Correct	326 ms	3968 KB	Output is correct
64	Correct	323 ms	3968 KB	Output is correct
65	Correct	209 ms	3968 KB	Output is correct
66	Correct	223 ms	3968 KB	Output is correct
67	Correct	333 ms	3968 KB	Output is correct
68	Correct	83 ms	3968 KB	Output is correct
69	Correct	839 ms	3968 KB	Output is correct
70	Correct	563 ms	3968 KB	Output is correct
71	Correct	593 ms	3968 KB	Output is correct
72	Correct	663 ms	3968 KB	Output is correct
73	Correct	616 ms	3968 KB	Output is correct
74	Execution timed out	1000 ms	3968 KB	Execution timed out
75	Halted	0 ms	0 KB	-

답안 #37447

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