답안 #38272 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
38272	2018-01-03T10:26:20 Z	Talant	Bootfall (IZhO17_bootfall)	C++14	100 / 100	269 ms	22400 KB

bootfall

#include <bits/stdc++.h>

#define fr first
#define sc second
#define OK puts("OK");
#define pb push_back
#define mk make_pair

using namespace std;

typedef long long ll;

const ll inf = (ll)1e9 + 7;
const int N = (int)1e6 + 1;
const int M = (int)250001;

int n;
int a[N],sum;
int p[N],dp[N];
int cur[N];
int used[N];

vector <int> ans;

int main () {
        cin >> n;

        for (int i = 1; i <= n; i ++) {
                scanf ("%d", &a[i]);
                sum += a[i];
                p[i] = p[i - 1] + a[i];
        }

        if (sum & 1) {
                cout << 0;
                return 0;
        }
        dp[0] = 1;

        for (int i = 1; i <= n; i ++)
                for (int j = p[i]; j >= a[i]; j --)
                        dp[j] += dp[j - a[i]];

        if (!dp[sum / 2]) {
                cout << 0;
                return 0;
        }
        for (int i = 1; i <= sum; i ++)
                cur[i] = 1;

        for (int i = 1; i <= n; i ++) {
                if (used[a[i]])
                        continue;

                used[a[i]] = 1;
                sum -= a[i];

                for (int j = 0; j <= sum; j ++)
                        dp[j + a[i]] -= dp[j];

                for (int j = 1; j <= p[n]; j ++) {
                        if ((sum + j) % 2) {
                                cur[j] = 0;
                                continue;
                        }
                        if (!dp[(sum + j) / 2]) {
                                cur[j] = 0;
                                continue;
                        }
                }
                for (int j = sum; j >= 0; j --)
                        dp[j + a[i]] += dp[j];

                sum += a[i];
        }
        for (int i = 1; i <= p[n]; i ++)
                if (cur[i] == 1)
                        ans.pb(i);

        cout << ans.size() << endl;

        for (int i = 0; i < ans.size(); i ++)
                cout << ans[i] << " ";
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:82:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i = 0; i < ans.size(); i ++)
                           ^
bootfall.cpp:29:36: 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	메모리	Grader output
1	Correct	21548 KB	Output is correct
2	Correct	21548 KB	Output is correct
3	Correct	21548 KB	Output is correct
4	Correct	21548 KB	Output is correct
5	Correct	21548 KB	Output is correct
6	Correct	21548 KB	Output is correct
7	Correct	21548 KB	Output is correct
8	Correct	21548 KB	Output is correct
9	Correct	21548 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	메모리	Grader output
1	Correct	21548 KB	Output is correct
2	Correct	21548 KB	Output is correct
3	Correct	21548 KB	Output is correct
4	Correct	21548 KB	Output is correct
5	Correct	21548 KB	Output is correct
6	Correct	21548 KB	Output is correct
7	Correct	21548 KB	Output is correct
8	Correct	21548 KB	Output is correct
9	Correct	21548 KB	Output is correct
10	Correct	21548 KB	Output is correct
11	Correct	21548 KB	Output is correct
12	Correct	21548 KB	Output is correct
13	Correct	21548 KB	Output is correct
14	Correct	21548 KB	Output is correct
15	Correct	21548 KB	Output is correct
16	Correct	21548 KB	Output is correct
17	Correct	21548 KB	Output is correct
18	Correct	21548 KB	Output is correct
19	Correct	21548 KB	Output is correct
20	Correct	21548 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	메모리	Grader output
1	Correct	21548 KB	Output is correct
2	Correct	21548 KB	Output is correct
3	Correct	21548 KB	Output is correct
4	Correct	21548 KB	Output is correct
5	Correct	21548 KB	Output is correct
6	Correct	21548 KB	Output is correct
7	Correct	21548 KB	Output is correct
8	Correct	21548 KB	Output is correct
9	Correct	21548 KB	Output is correct
10	Correct	21548 KB	Output is correct
11	Correct	21548 KB	Output is correct
12	Correct	21548 KB	Output is correct
13	Correct	21548 KB	Output is correct
14	Correct	21548 KB	Output is correct
15	Correct	21548 KB	Output is correct
16	Correct	21548 KB	Output is correct
17	Correct	21548 KB	Output is correct
18	Correct	21548 KB	Output is correct
19	Correct	21548 KB	Output is correct
20	Correct	21548 KB	Output is correct
21	Correct	21548 KB	Output is correct
22	Correct	21548 KB	Output is correct
23	Correct	21548 KB	Output is correct
24	Correct	21548 KB	Output is correct
25	Correct	21548 KB	Output is correct
26	Correct	21548 KB	Output is correct
27	Correct	21548 KB	Output is correct
28	Correct	21548 KB	Output is correct
29	Correct	21548 KB	Output is correct
30	Correct	21548 KB	Output is correct
31	Correct	21548 KB	Output is correct
32	Correct	21548 KB	Output is correct
33	Correct	21548 KB	Output is correct
34	Correct	21548 KB	Output is correct
35	Correct	21548 KB	Output is correct
36	Correct	21548 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	21548 KB	Output is correct
2	Correct	0 ms	21548 KB	Output is correct
3	Correct	0 ms	21548 KB	Output is correct
4	Correct	0 ms	21548 KB	Output is correct
5	Correct	0 ms	21548 KB	Output is correct
6	Correct	0 ms	21548 KB	Output is correct
7	Correct	0 ms	21548 KB	Output is correct
8	Correct	0 ms	21548 KB	Output is correct
9	Correct	0 ms	21548 KB	Output is correct
10	Correct	0 ms	21548 KB	Output is correct
11	Correct	0 ms	21548 KB	Output is correct
12	Correct	0 ms	21548 KB	Output is correct
13	Correct	0 ms	21548 KB	Output is correct
14	Correct	0 ms	21548 KB	Output is correct
15	Correct	0 ms	21548 KB	Output is correct
16	Correct	0 ms	21548 KB	Output is correct
17	Correct	0 ms	21548 KB	Output is correct
18	Correct	0 ms	21548 KB	Output is correct
19	Correct	0 ms	21548 KB	Output is correct
20	Correct	0 ms	21548 KB	Output is correct
21	Correct	0 ms	21548 KB	Output is correct
22	Correct	0 ms	21548 KB	Output is correct
23	Correct	0 ms	21548 KB	Output is correct
24	Correct	0 ms	21548 KB	Output is correct
25	Correct	0 ms	21548 KB	Output is correct
26	Correct	0 ms	21548 KB	Output is correct
27	Correct	0 ms	21548 KB	Output is correct
28	Correct	0 ms	21548 KB	Output is correct
29	Correct	0 ms	21548 KB	Output is correct
30	Correct	0 ms	21548 KB	Output is correct
31	Correct	0 ms	21548 KB	Output is correct
32	Correct	0 ms	21548 KB	Output is correct
33	Correct	0 ms	21548 KB	Output is correct
34	Correct	0 ms	21548 KB	Output is correct
35	Correct	0 ms	21548 KB	Output is correct
36	Correct	0 ms	21548 KB	Output is correct
37	Correct	6 ms	21688 KB	Output is correct
38	Correct	9 ms	21688 KB	Output is correct
39	Correct	9 ms	21548 KB	Output is correct
40	Correct	23 ms	21688 KB	Output is correct
41	Correct	13 ms	21548 KB	Output is correct
42	Correct	16 ms	21688 KB	Output is correct
43	Correct	16 ms	21820 KB	Output is correct
44	Correct	16 ms	21820 KB	Output is correct
45	Correct	23 ms	21820 KB	Output is correct
46	Correct	23 ms	21548 KB	Output is correct
47	Correct	19 ms	21688 KB	Output is correct
48	Correct	13 ms	21820 KB	Output is correct
49	Correct	13 ms	21688 KB	Output is correct
50	Correct	29 ms	21688 KB	Output is correct
51	Correct	0 ms	21548 KB	Output is correct
52	Correct	13 ms	21820 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	21548 KB	Output is correct
2	Correct	0 ms	21548 KB	Output is correct
3	Correct	0 ms	21548 KB	Output is correct
4	Correct	0 ms	21548 KB	Output is correct
5	Correct	0 ms	21548 KB	Output is correct
6	Correct	0 ms	21548 KB	Output is correct
7	Correct	0 ms	21548 KB	Output is correct
8	Correct	0 ms	21548 KB	Output is correct
9	Correct	0 ms	21548 KB	Output is correct
10	Correct	0 ms	21548 KB	Output is correct
11	Correct	0 ms	21548 KB	Output is correct
12	Correct	0 ms	21548 KB	Output is correct
13	Correct	0 ms	21548 KB	Output is correct
14	Correct	0 ms	21548 KB	Output is correct
15	Correct	0 ms	21548 KB	Output is correct
16	Correct	0 ms	21548 KB	Output is correct
17	Correct	0 ms	21548 KB	Output is correct
18	Correct	0 ms	21548 KB	Output is correct
19	Correct	0 ms	21548 KB	Output is correct
20	Correct	0 ms	21548 KB	Output is correct
21	Correct	0 ms	21548 KB	Output is correct
22	Correct	0 ms	21548 KB	Output is correct
23	Correct	0 ms	21548 KB	Output is correct
24	Correct	0 ms	21548 KB	Output is correct
25	Correct	0 ms	21548 KB	Output is correct
26	Correct	0 ms	21548 KB	Output is correct
27	Correct	0 ms	21548 KB	Output is correct
28	Correct	0 ms	21548 KB	Output is correct
29	Correct	0 ms	21548 KB	Output is correct
30	Correct	0 ms	21548 KB	Output is correct
31	Correct	0 ms	21548 KB	Output is correct
32	Correct	0 ms	21548 KB	Output is correct
33	Correct	0 ms	21548 KB	Output is correct
34	Correct	0 ms	21548 KB	Output is correct
35	Correct	0 ms	21548 KB	Output is correct
36	Correct	0 ms	21548 KB	Output is correct
37	Correct	6 ms	21688 KB	Output is correct
38	Correct	9 ms	21688 KB	Output is correct
39	Correct	9 ms	21548 KB	Output is correct
40	Correct	23 ms	21688 KB	Output is correct
41	Correct	13 ms	21548 KB	Output is correct
42	Correct	16 ms	21688 KB	Output is correct
43	Correct	16 ms	21820 KB	Output is correct
44	Correct	16 ms	21820 KB	Output is correct
45	Correct	23 ms	21820 KB	Output is correct
46	Correct	23 ms	21548 KB	Output is correct
47	Correct	19 ms	21688 KB	Output is correct
48	Correct	13 ms	21820 KB	Output is correct
49	Correct	13 ms	21688 KB	Output is correct
50	Correct	29 ms	21688 KB	Output is correct
51	Correct	0 ms	21548 KB	Output is correct
52	Correct	13 ms	21820 KB	Output is correct
53	Correct	33 ms	21820 KB	Output is correct
54	Correct	43 ms	21820 KB	Output is correct
55	Correct	26 ms	22016 KB	Output is correct
56	Correct	36 ms	21820 KB	Output is correct
57	Correct	39 ms	22016 KB	Output is correct
58	Correct	49 ms	21820 KB	Output is correct
59	Correct	43 ms	22016 KB	Output is correct
60	Correct	0 ms	21548 KB	Output is correct
61	Correct	49 ms	22016 KB	Output is correct
62	Correct	43 ms	22016 KB	Output is correct
63	Correct	43 ms	22016 KB	Output is correct
64	Correct	39 ms	22016 KB	Output is correct
65	Correct	9 ms	21548 KB	Output is correct
66	Correct	23 ms	21688 KB	Output is correct

Subtask #6
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	21548 KB	Output is correct
2	Correct	0 ms	21548 KB	Output is correct
3	Correct	0 ms	21548 KB	Output is correct
4	Correct	0 ms	21548 KB	Output is correct
5	Correct	0 ms	21548 KB	Output is correct
6	Correct	0 ms	21548 KB	Output is correct
7	Correct	0 ms	21548 KB	Output is correct
8	Correct	0 ms	21548 KB	Output is correct
9	Correct	0 ms	21548 KB	Output is correct
10	Correct	0 ms	21548 KB	Output is correct
11	Correct	0 ms	21548 KB	Output is correct
12	Correct	0 ms	21548 KB	Output is correct
13	Correct	0 ms	21548 KB	Output is correct
14	Correct	0 ms	21548 KB	Output is correct
15	Correct	0 ms	21548 KB	Output is correct
16	Correct	0 ms	21548 KB	Output is correct
17	Correct	0 ms	21548 KB	Output is correct
18	Correct	0 ms	21548 KB	Output is correct
19	Correct	0 ms	21548 KB	Output is correct
20	Correct	0 ms	21548 KB	Output is correct
21	Correct	0 ms	21548 KB	Output is correct
22	Correct	0 ms	21548 KB	Output is correct
23	Correct	0 ms	21548 KB	Output is correct
24	Correct	0 ms	21548 KB	Output is correct
25	Correct	0 ms	21548 KB	Output is correct
26	Correct	0 ms	21548 KB	Output is correct
27	Correct	0 ms	21548 KB	Output is correct
28	Correct	0 ms	21548 KB	Output is correct
29	Correct	0 ms	21548 KB	Output is correct
30	Correct	0 ms	21548 KB	Output is correct
31	Correct	0 ms	21548 KB	Output is correct
32	Correct	0 ms	21548 KB	Output is correct
33	Correct	0 ms	21548 KB	Output is correct
34	Correct	0 ms	21548 KB	Output is correct
35	Correct	0 ms	21548 KB	Output is correct
36	Correct	0 ms	21548 KB	Output is correct
37	Correct	6 ms	21688 KB	Output is correct
38	Correct	9 ms	21688 KB	Output is correct
39	Correct	9 ms	21548 KB	Output is correct
40	Correct	23 ms	21688 KB	Output is correct
41	Correct	13 ms	21548 KB	Output is correct
42	Correct	16 ms	21688 KB	Output is correct
43	Correct	16 ms	21820 KB	Output is correct
44	Correct	16 ms	21820 KB	Output is correct
45	Correct	23 ms	21820 KB	Output is correct
46	Correct	23 ms	21548 KB	Output is correct
47	Correct	19 ms	21688 KB	Output is correct
48	Correct	13 ms	21820 KB	Output is correct
49	Correct	13 ms	21688 KB	Output is correct
50	Correct	29 ms	21688 KB	Output is correct
51	Correct	0 ms	21548 KB	Output is correct
52	Correct	13 ms	21820 KB	Output is correct
53	Correct	33 ms	21820 KB	Output is correct
54	Correct	43 ms	21820 KB	Output is correct
55	Correct	26 ms	22016 KB	Output is correct
56	Correct	36 ms	21820 KB	Output is correct
57	Correct	39 ms	22016 KB	Output is correct
58	Correct	49 ms	21820 KB	Output is correct
59	Correct	43 ms	22016 KB	Output is correct
60	Correct	0 ms	21548 KB	Output is correct
61	Correct	49 ms	22016 KB	Output is correct
62	Correct	43 ms	22016 KB	Output is correct
63	Correct	43 ms	22016 KB	Output is correct
64	Correct	39 ms	22016 KB	Output is correct
65	Correct	9 ms	21548 KB	Output is correct
66	Correct	23 ms	21688 KB	Output is correct
67	Correct	76 ms	22016 KB	Output is correct
68	Correct	36 ms	21548 KB	Output is correct
69	Correct	119 ms	22400 KB	Output is correct
70	Correct	169 ms	22016 KB	Output is correct
71	Correct	183 ms	22016 KB	Output is correct
72	Correct	259 ms	21548 KB	Output is correct
73	Correct	269 ms	21548 KB	Output is correct
74	Correct	126 ms	22400 KB	Output is correct
75	Correct	153 ms	22400 KB	Output is correct
76	Correct	96 ms	22400 KB	Output is correct
77	Correct	113 ms	22400 KB	Output is correct

답안 #38272

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