답안 #37472 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
37472	2017-12-25T16:07:44 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];
        if (dp[i + v] >= mod)
            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);
        if (dp[i + v] >= mod)
            dp[i + v] -= mod;
    }
}

int main() {
//    freopen("bootfall.in", "r", stdin);
//    freopen("bootfall.out", "w", stdout);
    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:36:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
bootfall.cpp:39:27: 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	0 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	0 ms	3968 KB	Output is correct
8	Correct	6 ms	3968 KB	Output is correct
9	Correct	6 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	0 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	0 ms	3968 KB	Output is correct
8	Correct	6 ms	3968 KB	Output is correct
9	Correct	6 ms	3968 KB	Output is correct
10	Correct	9 ms	3968 KB	Output is correct
11	Correct	9 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	6 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	3 ms	3968 KB	Output is correct
18	Correct	6 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	0 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	0 ms	3968 KB	Output is correct
8	Correct	6 ms	3968 KB	Output is correct
9	Correct	6 ms	3968 KB	Output is correct
10	Correct	9 ms	3968 KB	Output is correct
11	Correct	9 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	6 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	3 ms	3968 KB	Output is correct
18	Correct	6 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	19 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	29 ms	3968 KB	Output is correct
25	Correct	39 ms	3968 KB	Output is correct
26	Correct	33 ms	3968 KB	Output is correct
27	Correct	36 ms	3968 KB	Output is correct
28	Correct	33 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	36 ms	3968 KB	Output is correct
33	Correct	46 ms	3968 KB	Output is correct
34	Correct	29 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	0 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	0 ms	3968 KB	Output is correct
8	Correct	6 ms	3968 KB	Output is correct
9	Correct	6 ms	3968 KB	Output is correct
10	Correct	9 ms	3968 KB	Output is correct
11	Correct	9 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	6 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	3 ms	3968 KB	Output is correct
18	Correct	6 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	19 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	29 ms	3968 KB	Output is correct
25	Correct	39 ms	3968 KB	Output is correct
26	Correct	33 ms	3968 KB	Output is correct
27	Correct	36 ms	3968 KB	Output is correct
28	Correct	33 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	36 ms	3968 KB	Output is correct
33	Correct	46 ms	3968 KB	Output is correct
34	Correct	29 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	123 ms	3968 KB	Output is correct
38	Correct	103 ms	3968 KB	Output is correct
39	Correct	123 ms	3968 KB	Output is correct
40	Correct	179 ms	3968 KB	Output is correct
41	Correct	139 ms	3968 KB	Output is correct
42	Correct	156 ms	3968 KB	Output is correct
43	Correct	216 ms	3968 KB	Output is correct
44	Correct	223 ms	3968 KB	Output is correct
45	Correct	229 ms	3968 KB	Output is correct
46	Correct	143 ms	3968 KB	Output is correct
47	Correct	169 ms	3968 KB	Output is correct
48	Correct	216 ms	3968 KB	Output is correct
49	Correct	186 ms	3968 KB	Output is correct
50	Correct	159 ms	3968 KB	Output is correct
51	Correct	23 ms	3968 KB	Output is correct
52	Correct	289 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	0 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	0 ms	3968 KB	Output is correct
8	Correct	6 ms	3968 KB	Output is correct
9	Correct	6 ms	3968 KB	Output is correct
10	Correct	9 ms	3968 KB	Output is correct
11	Correct	9 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	6 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	3 ms	3968 KB	Output is correct
18	Correct	6 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	19 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	29 ms	3968 KB	Output is correct
25	Correct	39 ms	3968 KB	Output is correct
26	Correct	33 ms	3968 KB	Output is correct
27	Correct	36 ms	3968 KB	Output is correct
28	Correct	33 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	36 ms	3968 KB	Output is correct
33	Correct	46 ms	3968 KB	Output is correct
34	Correct	29 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	123 ms	3968 KB	Output is correct
38	Correct	103 ms	3968 KB	Output is correct
39	Correct	123 ms	3968 KB	Output is correct
40	Correct	179 ms	3968 KB	Output is correct
41	Correct	139 ms	3968 KB	Output is correct
42	Correct	156 ms	3968 KB	Output is correct
43	Correct	216 ms	3968 KB	Output is correct
44	Correct	223 ms	3968 KB	Output is correct
45	Correct	229 ms	3968 KB	Output is correct
46	Correct	143 ms	3968 KB	Output is correct
47	Correct	169 ms	3968 KB	Output is correct
48	Correct	216 ms	3968 KB	Output is correct
49	Correct	186 ms	3968 KB	Output is correct
50	Correct	159 ms	3968 KB	Output is correct
51	Correct	23 ms	3968 KB	Output is correct
52	Correct	289 ms	3968 KB	Output is correct
53	Correct	256 ms	3968 KB	Output is correct
54	Correct	353 ms	3968 KB	Output is correct
55	Correct	556 ms	3968 KB	Output is correct
56	Correct	309 ms	3968 KB	Output is correct
57	Correct	563 ms	3968 KB	Output is correct
58	Correct	346 ms	3968 KB	Output is correct
59	Correct	426 ms	3968 KB	Output is correct
60	Correct	73 ms	3968 KB	Output is correct
61	Correct	473 ms	3968 KB	Output is correct
62	Correct	459 ms	3968 KB	Output is correct
63	Correct	463 ms	3968 KB	Output is correct
64	Correct	493 ms	3968 KB	Output is correct
65	Correct	196 ms	3968 KB	Output is correct
66	Correct	199 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	0 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	0 ms	3968 KB	Output is correct
8	Correct	6 ms	3968 KB	Output is correct
9	Correct	6 ms	3968 KB	Output is correct
10	Correct	9 ms	3968 KB	Output is correct
11	Correct	9 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	6 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	3 ms	3968 KB	Output is correct
18	Correct	6 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	19 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	29 ms	3968 KB	Output is correct
25	Correct	39 ms	3968 KB	Output is correct
26	Correct	33 ms	3968 KB	Output is correct
27	Correct	36 ms	3968 KB	Output is correct
28	Correct	33 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	36 ms	3968 KB	Output is correct
33	Correct	46 ms	3968 KB	Output is correct
34	Correct	29 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	123 ms	3968 KB	Output is correct
38	Correct	103 ms	3968 KB	Output is correct
39	Correct	123 ms	3968 KB	Output is correct
40	Correct	179 ms	3968 KB	Output is correct
41	Correct	139 ms	3968 KB	Output is correct
42	Correct	156 ms	3968 KB	Output is correct
43	Correct	216 ms	3968 KB	Output is correct
44	Correct	223 ms	3968 KB	Output is correct
45	Correct	229 ms	3968 KB	Output is correct
46	Correct	143 ms	3968 KB	Output is correct
47	Correct	169 ms	3968 KB	Output is correct
48	Correct	216 ms	3968 KB	Output is correct
49	Correct	186 ms	3968 KB	Output is correct
50	Correct	159 ms	3968 KB	Output is correct
51	Correct	23 ms	3968 KB	Output is correct
52	Correct	289 ms	3968 KB	Output is correct
53	Correct	256 ms	3968 KB	Output is correct
54	Correct	353 ms	3968 KB	Output is correct
55	Correct	556 ms	3968 KB	Output is correct
56	Correct	309 ms	3968 KB	Output is correct
57	Correct	563 ms	3968 KB	Output is correct
58	Correct	346 ms	3968 KB	Output is correct
59	Correct	426 ms	3968 KB	Output is correct
60	Correct	73 ms	3968 KB	Output is correct
61	Correct	473 ms	3968 KB	Output is correct
62	Correct	459 ms	3968 KB	Output is correct
63	Correct	463 ms	3968 KB	Output is correct
64	Correct	493 ms	3968 KB	Output is correct
65	Correct	196 ms	3968 KB	Output is correct
66	Correct	199 ms	3968 KB	Output is correct
67	Correct	469 ms	3968 KB	Output is correct
68	Correct	146 ms	3968 KB	Output is correct
69	Execution timed out	1000 ms	3968 KB	Execution timed out
70	Halted	0 ms	0 KB	-

답안 #37472

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