답안 #315310

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
315310	2020-10-22T10:19:03 Z	dolphingarlic	Bootfall (IZhO17_bootfall)	C++14	65 / 100	1000 ms	888 KB

bootfall

#include <bits/stdc++.h>
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("O3")
#pragma GCC target("sse4,avx2,fma,avx")
using namespace std;

int main() {
    int n, a[500], tot = 0;
    scanf("%d", &n);
    bitset<250001> base;
    base[0] = 1;
    for (int i = 0; i < n; i++) {
        scanf("%d", a + i);
        tot += a[i];
        base |= base << a[i];
    }
    if ((tot & 1) || !base[tot >> 1]) return printf("0"), 0;

    bitset<250001> ans;
    for (int i = 1; i <= tot; i++) ans[i] = 1;

    for (int i = 0; i < n; i++) {
        bitset<250001> possible, good;
        possible[0] = 1;
        for (int j = 0; j < n; j++) if (j != i) possible |= possible << a[j];
        for (int j = tot - a[i] & 1; j <= tot - a[i]; j += 2) good[j] = possible[tot - a[i] - j >> 1];
        ans &= good;
    }

    printf("%d\n", ans.count());
    for (int i = 0; i <= tot; i++) if (ans[i]) printf("%d ", i);
    return 0;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:26:26: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   26 |         for (int j = tot - a[i] & 1; j <= tot - a[i]; j += 2) good[j] = possible[tot - a[i] - j >> 1];
      |                      ~~~~^~~~~~
bootfall.cpp:26:93: warning: suggest parentheses around '-' inside '>>' [-Wparentheses]
   26 |         for (int j = tot - a[i] & 1; j <= tot - a[i]; j += 2) good[j] = possible[tot - a[i] - j >> 1];
      |                                                                                  ~~~~~~~~~~~^~~
bootfall.cpp:30:14: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::size_t' {aka 'long unsigned int'} [-Wformat=]
   30 |     printf("%d\n", ans.count());
      |             ~^     ~~~~~~~~~~~
      |              |              |
      |              int            std::size_t {aka long unsigned int}
      |             %ld
bootfall.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    9 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
bootfall.cpp:13:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   13 |         scanf("%d", a + i);
      |         ~~~~~^~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	512 KB	Output is correct
2	Correct	1 ms	512 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	512 KB	Output is correct
5	Correct	2 ms	512 KB	Output is correct
6	Correct	1 ms	512 KB	Output is correct
7	Correct	1 ms	512 KB	Output is correct
8	Correct	2 ms	512 KB	Output is correct
9	Correct	1 ms	512 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	512 KB	Output is correct
2	Correct	1 ms	512 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	512 KB	Output is correct
5	Correct	2 ms	512 KB	Output is correct
6	Correct	1 ms	512 KB	Output is correct
7	Correct	1 ms	512 KB	Output is correct
8	Correct	2 ms	512 KB	Output is correct
9	Correct	1 ms	512 KB	Output is correct
10	Correct	8 ms	512 KB	Output is correct
11	Correct	7 ms	512 KB	Output is correct
12	Correct	8 ms	512 KB	Output is correct
13	Correct	6 ms	512 KB	Output is correct
14	Correct	7 ms	512 KB	Output is correct
15	Correct	7 ms	512 KB	Output is correct
16	Correct	8 ms	512 KB	Output is correct
17	Correct	3 ms	512 KB	Output is correct
18	Correct	5 ms	512 KB	Output is correct
19	Correct	6 ms	512 KB	Output is correct
20	Correct	8 ms	512 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	512 KB	Output is correct
2	Correct	1 ms	512 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	512 KB	Output is correct
5	Correct	2 ms	512 KB	Output is correct
6	Correct	1 ms	512 KB	Output is correct
7	Correct	1 ms	512 KB	Output is correct
8	Correct	2 ms	512 KB	Output is correct
9	Correct	1 ms	512 KB	Output is correct
10	Correct	8 ms	512 KB	Output is correct
11	Correct	7 ms	512 KB	Output is correct
12	Correct	8 ms	512 KB	Output is correct
13	Correct	6 ms	512 KB	Output is correct
14	Correct	7 ms	512 KB	Output is correct
15	Correct	7 ms	512 KB	Output is correct
16	Correct	8 ms	512 KB	Output is correct
17	Correct	3 ms	512 KB	Output is correct
18	Correct	5 ms	512 KB	Output is correct
19	Correct	6 ms	512 KB	Output is correct
20	Correct	8 ms	512 KB	Output is correct
21	Correct	33 ms	512 KB	Output is correct
22	Correct	45 ms	512 KB	Output is correct
23	Correct	20 ms	512 KB	Output is correct
24	Correct	69 ms	512 KB	Output is correct
25	Correct	71 ms	512 KB	Output is correct
26	Correct	79 ms	544 KB	Output is correct
27	Correct	79 ms	544 KB	Output is correct
28	Correct	78 ms	512 KB	Output is correct
29	Correct	80 ms	632 KB	Output is correct
30	Correct	79 ms	512 KB	Output is correct
31	Correct	79 ms	544 KB	Output is correct
32	Correct	81 ms	512 KB	Output is correct
33	Correct	81 ms	512 KB	Output is correct
34	Correct	79 ms	512 KB	Output is correct
35	Correct	78 ms	512 KB	Output is correct
36	Correct	79 ms	512 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	512 KB	Output is correct
2	Correct	1 ms	512 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	512 KB	Output is correct
5	Correct	2 ms	512 KB	Output is correct
6	Correct	1 ms	512 KB	Output is correct
7	Correct	1 ms	512 KB	Output is correct
8	Correct	2 ms	512 KB	Output is correct
9	Correct	1 ms	512 KB	Output is correct
10	Correct	8 ms	512 KB	Output is correct
11	Correct	7 ms	512 KB	Output is correct
12	Correct	8 ms	512 KB	Output is correct
13	Correct	6 ms	512 KB	Output is correct
14	Correct	7 ms	512 KB	Output is correct
15	Correct	7 ms	512 KB	Output is correct
16	Correct	8 ms	512 KB	Output is correct
17	Correct	3 ms	512 KB	Output is correct
18	Correct	5 ms	512 KB	Output is correct
19	Correct	6 ms	512 KB	Output is correct
20	Correct	8 ms	512 KB	Output is correct
21	Correct	33 ms	512 KB	Output is correct
22	Correct	45 ms	512 KB	Output is correct
23	Correct	20 ms	512 KB	Output is correct
24	Correct	69 ms	512 KB	Output is correct
25	Correct	71 ms	512 KB	Output is correct
26	Correct	79 ms	544 KB	Output is correct
27	Correct	79 ms	544 KB	Output is correct
28	Correct	78 ms	512 KB	Output is correct
29	Correct	80 ms	632 KB	Output is correct
30	Correct	79 ms	512 KB	Output is correct
31	Correct	79 ms	544 KB	Output is correct
32	Correct	81 ms	512 KB	Output is correct
33	Correct	81 ms	512 KB	Output is correct
34	Correct	79 ms	512 KB	Output is correct
35	Correct	78 ms	512 KB	Output is correct
36	Correct	79 ms	512 KB	Output is correct
37	Correct	311 ms	540 KB	Output is correct
38	Correct	312 ms	544 KB	Output is correct
39	Correct	497 ms	632 KB	Output is correct
40	Correct	572 ms	632 KB	Output is correct
41	Correct	554 ms	632 KB	Output is correct
42	Correct	491 ms	632 KB	Output is correct
43	Correct	479 ms	664 KB	Output is correct
44	Correct	490 ms	632 KB	Output is correct
45	Correct	503 ms	724 KB	Output is correct
46	Correct	568 ms	632 KB	Output is correct
47	Correct	491 ms	544 KB	Output is correct
48	Correct	505 ms	632 KB	Output is correct
49	Correct	501 ms	632 KB	Output is correct
50	Correct	487 ms	632 KB	Output is correct
51	Correct	3 ms	384 KB	Output is correct
52	Correct	576 ms	760 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	512 KB	Output is correct
2	Correct	1 ms	512 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	512 KB	Output is correct
5	Correct	2 ms	512 KB	Output is correct
6	Correct	1 ms	512 KB	Output is correct
7	Correct	1 ms	512 KB	Output is correct
8	Correct	2 ms	512 KB	Output is correct
9	Correct	1 ms	512 KB	Output is correct
10	Correct	8 ms	512 KB	Output is correct
11	Correct	7 ms	512 KB	Output is correct
12	Correct	8 ms	512 KB	Output is correct
13	Correct	6 ms	512 KB	Output is correct
14	Correct	7 ms	512 KB	Output is correct
15	Correct	7 ms	512 KB	Output is correct
16	Correct	8 ms	512 KB	Output is correct
17	Correct	3 ms	512 KB	Output is correct
18	Correct	5 ms	512 KB	Output is correct
19	Correct	6 ms	512 KB	Output is correct
20	Correct	8 ms	512 KB	Output is correct
21	Correct	33 ms	512 KB	Output is correct
22	Correct	45 ms	512 KB	Output is correct
23	Correct	20 ms	512 KB	Output is correct
24	Correct	69 ms	512 KB	Output is correct
25	Correct	71 ms	512 KB	Output is correct
26	Correct	79 ms	544 KB	Output is correct
27	Correct	79 ms	544 KB	Output is correct
28	Correct	78 ms	512 KB	Output is correct
29	Correct	80 ms	632 KB	Output is correct
30	Correct	79 ms	512 KB	Output is correct
31	Correct	79 ms	544 KB	Output is correct
32	Correct	81 ms	512 KB	Output is correct
33	Correct	81 ms	512 KB	Output is correct
34	Correct	79 ms	512 KB	Output is correct
35	Correct	78 ms	512 KB	Output is correct
36	Correct	79 ms	512 KB	Output is correct
37	Correct	311 ms	540 KB	Output is correct
38	Correct	312 ms	544 KB	Output is correct
39	Correct	497 ms	632 KB	Output is correct
40	Correct	572 ms	632 KB	Output is correct
41	Correct	554 ms	632 KB	Output is correct
42	Correct	491 ms	632 KB	Output is correct
43	Correct	479 ms	664 KB	Output is correct
44	Correct	490 ms	632 KB	Output is correct
45	Correct	503 ms	724 KB	Output is correct
46	Correct	568 ms	632 KB	Output is correct
47	Correct	491 ms	544 KB	Output is correct
48	Correct	505 ms	632 KB	Output is correct
49	Correct	501 ms	632 KB	Output is correct
50	Correct	487 ms	632 KB	Output is correct
51	Correct	3 ms	384 KB	Output is correct
52	Correct	576 ms	760 KB	Output is correct
53	Correct	709 ms	668 KB	Output is correct
54	Correct	957 ms	760 KB	Output is correct
55	Correct	954 ms	888 KB	Output is correct
56	Correct	749 ms	632 KB	Output is correct
57	Correct	953 ms	888 KB	Output is correct
58	Correct	954 ms	760 KB	Output is correct
59	Correct	957 ms	672 KB	Output is correct
60	Correct	4 ms	384 KB	Output is correct
61	Correct	961 ms	672 KB	Output is correct
62	Correct	818 ms	760 KB	Output is correct
63	Correct	803 ms	888 KB	Output is correct
64	Correct	774 ms	760 KB	Output is correct
65	Correct	778 ms	544 KB	Output is correct
66	Correct	753 ms	632 KB	Output is correct

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	512 KB	Output is correct
2	Correct	1 ms	512 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	512 KB	Output is correct
5	Correct	2 ms	512 KB	Output is correct
6	Correct	1 ms	512 KB	Output is correct
7	Correct	1 ms	512 KB	Output is correct
8	Correct	2 ms	512 KB	Output is correct
9	Correct	1 ms	512 KB	Output is correct
10	Correct	8 ms	512 KB	Output is correct
11	Correct	7 ms	512 KB	Output is correct
12	Correct	8 ms	512 KB	Output is correct
13	Correct	6 ms	512 KB	Output is correct
14	Correct	7 ms	512 KB	Output is correct
15	Correct	7 ms	512 KB	Output is correct
16	Correct	8 ms	512 KB	Output is correct
17	Correct	3 ms	512 KB	Output is correct
18	Correct	5 ms	512 KB	Output is correct
19	Correct	6 ms	512 KB	Output is correct
20	Correct	8 ms	512 KB	Output is correct
21	Correct	33 ms	512 KB	Output is correct
22	Correct	45 ms	512 KB	Output is correct
23	Correct	20 ms	512 KB	Output is correct
24	Correct	69 ms	512 KB	Output is correct
25	Correct	71 ms	512 KB	Output is correct
26	Correct	79 ms	544 KB	Output is correct
27	Correct	79 ms	544 KB	Output is correct
28	Correct	78 ms	512 KB	Output is correct
29	Correct	80 ms	632 KB	Output is correct
30	Correct	79 ms	512 KB	Output is correct
31	Correct	79 ms	544 KB	Output is correct
32	Correct	81 ms	512 KB	Output is correct
33	Correct	81 ms	512 KB	Output is correct
34	Correct	79 ms	512 KB	Output is correct
35	Correct	78 ms	512 KB	Output is correct
36	Correct	79 ms	512 KB	Output is correct
37	Correct	311 ms	540 KB	Output is correct
38	Correct	312 ms	544 KB	Output is correct
39	Correct	497 ms	632 KB	Output is correct
40	Correct	572 ms	632 KB	Output is correct
41	Correct	554 ms	632 KB	Output is correct
42	Correct	491 ms	632 KB	Output is correct
43	Correct	479 ms	664 KB	Output is correct
44	Correct	490 ms	632 KB	Output is correct
45	Correct	503 ms	724 KB	Output is correct
46	Correct	568 ms	632 KB	Output is correct
47	Correct	491 ms	544 KB	Output is correct
48	Correct	505 ms	632 KB	Output is correct
49	Correct	501 ms	632 KB	Output is correct
50	Correct	487 ms	632 KB	Output is correct
51	Correct	3 ms	384 KB	Output is correct
52	Correct	576 ms	760 KB	Output is correct
53	Correct	709 ms	668 KB	Output is correct
54	Correct	957 ms	760 KB	Output is correct
55	Correct	954 ms	888 KB	Output is correct
56	Correct	749 ms	632 KB	Output is correct
57	Correct	953 ms	888 KB	Output is correct
58	Correct	954 ms	760 KB	Output is correct
59	Correct	957 ms	672 KB	Output is correct
60	Correct	4 ms	384 KB	Output is correct
61	Correct	961 ms	672 KB	Output is correct
62	Correct	818 ms	760 KB	Output is correct
63	Correct	803 ms	888 KB	Output is correct
64	Correct	774 ms	760 KB	Output is correct
65	Correct	778 ms	544 KB	Output is correct
66	Correct	753 ms	632 KB	Output is correct
67	Execution timed out	1092 ms	512 KB	Time limit exceeded
68	Halted	0 ms	0 KB	-

답안 #315310

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