답안 #315300

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
315300	2020-10-22T10:09:40 Z	dolphingarlic	Bootfall (IZhO17_bootfall)	C++14	44 / 100	1000 ms	760 KB

bootfall

#include <bits/stdc++.h>
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 / 2]) return printf("0"), 0;

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

    printf("%d\n", ans.count());
    for (int i = 0; i < 250001; i++) if (ans[i]) printf("%d ", i);
    return 0;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:23:65: warning: suggest parentheses around '+' in operand of '&' [-Wparentheses]
   23 |         for (int j = 1; j < 250001; j++) good[j] = !(tot - a[i] + j & 1) && (tot - a[i] + j) / 2 - j >= 0 && possible[(tot - a[i] + j) / 2 - j];
      |                                                      ~~~~~~~~~~~^~~
bootfall.cpp:27:14: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::size_t' {aka 'long unsigned int'} [-Wformat=]
   27 |     printf("%d\n", ans.count());
      |             ~^     ~~~~~~~~~~~
      |              |              |
      |              int            std::size_t {aka long unsigned int}
      |             %ld
bootfall.cpp:6:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    6 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
bootfall.cpp:10:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   10 |         scanf("%d", a + i);
      |         ~~~~~^~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	512 KB	Output is correct
2	Correct	6 ms	512 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	5 ms	512 KB	Output is correct
5	Correct	11 ms	512 KB	Output is correct
6	Correct	7 ms	512 KB	Output is correct
7	Correct	6 ms	512 KB	Output is correct
8	Correct	11 ms	512 KB	Output is correct
9	Correct	9 ms	512 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	512 KB	Output is correct
2	Correct	6 ms	512 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	5 ms	512 KB	Output is correct
5	Correct	11 ms	512 KB	Output is correct
6	Correct	7 ms	512 KB	Output is correct
7	Correct	6 ms	512 KB	Output is correct
8	Correct	11 ms	512 KB	Output is correct
9	Correct	9 ms	512 KB	Output is correct
10	Correct	29 ms	512 KB	Output is correct
11	Correct	29 ms	512 KB	Output is correct
12	Correct	29 ms	512 KB	Output is correct
13	Correct	24 ms	512 KB	Output is correct
14	Correct	27 ms	512 KB	Output is correct
15	Correct	27 ms	512 KB	Output is correct
16	Correct	29 ms	512 KB	Output is correct
17	Correct	16 ms	512 KB	Output is correct
18	Correct	22 ms	512 KB	Output is correct
19	Correct	25 ms	512 KB	Output is correct
20	Correct	29 ms	512 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	512 KB	Output is correct
2	Correct	6 ms	512 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	5 ms	512 KB	Output is correct
5	Correct	11 ms	512 KB	Output is correct
6	Correct	7 ms	512 KB	Output is correct
7	Correct	6 ms	512 KB	Output is correct
8	Correct	11 ms	512 KB	Output is correct
9	Correct	9 ms	512 KB	Output is correct
10	Correct	29 ms	512 KB	Output is correct
11	Correct	29 ms	512 KB	Output is correct
12	Correct	29 ms	512 KB	Output is correct
13	Correct	24 ms	512 KB	Output is correct
14	Correct	27 ms	512 KB	Output is correct
15	Correct	27 ms	512 KB	Output is correct
16	Correct	29 ms	512 KB	Output is correct
17	Correct	16 ms	512 KB	Output is correct
18	Correct	22 ms	512 KB	Output is correct
19	Correct	25 ms	512 KB	Output is correct
20	Correct	29 ms	512 KB	Output is correct
21	Correct	81 ms	512 KB	Output is correct
22	Correct	99 ms	512 KB	Output is correct
23	Correct	57 ms	544 KB	Output is correct
24	Correct	146 ms	548 KB	Output is correct
25	Correct	144 ms	512 KB	Output is correct
26	Correct	157 ms	512 KB	Output is correct
27	Correct	161 ms	636 KB	Output is correct
28	Correct	161 ms	544 KB	Output is correct
29	Correct	157 ms	512 KB	Output is correct
30	Correct	156 ms	548 KB	Output is correct
31	Correct	166 ms	632 KB	Output is correct
32	Correct	158 ms	512 KB	Output is correct
33	Correct	158 ms	512 KB	Output is correct
34	Correct	158 ms	632 KB	Output is correct
35	Correct	157 ms	632 KB	Output is correct
36	Correct	160 ms	544 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	512 KB	Output is correct
2	Correct	6 ms	512 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	5 ms	512 KB	Output is correct
5	Correct	11 ms	512 KB	Output is correct
6	Correct	7 ms	512 KB	Output is correct
7	Correct	6 ms	512 KB	Output is correct
8	Correct	11 ms	512 KB	Output is correct
9	Correct	9 ms	512 KB	Output is correct
10	Correct	29 ms	512 KB	Output is correct
11	Correct	29 ms	512 KB	Output is correct
12	Correct	29 ms	512 KB	Output is correct
13	Correct	24 ms	512 KB	Output is correct
14	Correct	27 ms	512 KB	Output is correct
15	Correct	27 ms	512 KB	Output is correct
16	Correct	29 ms	512 KB	Output is correct
17	Correct	16 ms	512 KB	Output is correct
18	Correct	22 ms	512 KB	Output is correct
19	Correct	25 ms	512 KB	Output is correct
20	Correct	29 ms	512 KB	Output is correct
21	Correct	81 ms	512 KB	Output is correct
22	Correct	99 ms	512 KB	Output is correct
23	Correct	57 ms	544 KB	Output is correct
24	Correct	146 ms	548 KB	Output is correct
25	Correct	144 ms	512 KB	Output is correct
26	Correct	157 ms	512 KB	Output is correct
27	Correct	161 ms	636 KB	Output is correct
28	Correct	161 ms	544 KB	Output is correct
29	Correct	157 ms	512 KB	Output is correct
30	Correct	156 ms	548 KB	Output is correct
31	Correct	166 ms	632 KB	Output is correct
32	Correct	158 ms	512 KB	Output is correct
33	Correct	158 ms	512 KB	Output is correct
34	Correct	158 ms	632 KB	Output is correct
35	Correct	157 ms	632 KB	Output is correct
36	Correct	160 ms	544 KB	Output is correct
37	Correct	502 ms	548 KB	Output is correct
38	Correct	502 ms	632 KB	Output is correct
39	Correct	736 ms	512 KB	Output is correct
40	Correct	852 ms	632 KB	Output is correct
41	Correct	851 ms	512 KB	Output is correct
42	Correct	737 ms	632 KB	Output is correct
43	Correct	721 ms	632 KB	Output is correct
44	Correct	741 ms	676 KB	Output is correct
45	Correct	747 ms	760 KB	Output is correct
46	Correct	851 ms	632 KB	Output is correct
47	Correct	745 ms	632 KB	Output is correct
48	Correct	746 ms	632 KB	Output is correct
49	Correct	738 ms	512 KB	Output is correct
50	Correct	745 ms	652 KB	Output is correct
51	Correct	3 ms	384 KB	Output is correct
52	Correct	858 ms	760 KB	Output is correct

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	512 KB	Output is correct
2	Correct	6 ms	512 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	5 ms	512 KB	Output is correct
5	Correct	11 ms	512 KB	Output is correct
6	Correct	7 ms	512 KB	Output is correct
7	Correct	6 ms	512 KB	Output is correct
8	Correct	11 ms	512 KB	Output is correct
9	Correct	9 ms	512 KB	Output is correct
10	Correct	29 ms	512 KB	Output is correct
11	Correct	29 ms	512 KB	Output is correct
12	Correct	29 ms	512 KB	Output is correct
13	Correct	24 ms	512 KB	Output is correct
14	Correct	27 ms	512 KB	Output is correct
15	Correct	27 ms	512 KB	Output is correct
16	Correct	29 ms	512 KB	Output is correct
17	Correct	16 ms	512 KB	Output is correct
18	Correct	22 ms	512 KB	Output is correct
19	Correct	25 ms	512 KB	Output is correct
20	Correct	29 ms	512 KB	Output is correct
21	Correct	81 ms	512 KB	Output is correct
22	Correct	99 ms	512 KB	Output is correct
23	Correct	57 ms	544 KB	Output is correct
24	Correct	146 ms	548 KB	Output is correct
25	Correct	144 ms	512 KB	Output is correct
26	Correct	157 ms	512 KB	Output is correct
27	Correct	161 ms	636 KB	Output is correct
28	Correct	161 ms	544 KB	Output is correct
29	Correct	157 ms	512 KB	Output is correct
30	Correct	156 ms	548 KB	Output is correct
31	Correct	166 ms	632 KB	Output is correct
32	Correct	158 ms	512 KB	Output is correct
33	Correct	158 ms	512 KB	Output is correct
34	Correct	158 ms	632 KB	Output is correct
35	Correct	157 ms	632 KB	Output is correct
36	Correct	160 ms	544 KB	Output is correct
37	Correct	502 ms	548 KB	Output is correct
38	Correct	502 ms	632 KB	Output is correct
39	Correct	736 ms	512 KB	Output is correct
40	Correct	852 ms	632 KB	Output is correct
41	Correct	851 ms	512 KB	Output is correct
42	Correct	737 ms	632 KB	Output is correct
43	Correct	721 ms	632 KB	Output is correct
44	Correct	741 ms	676 KB	Output is correct
45	Correct	747 ms	760 KB	Output is correct
46	Correct	851 ms	632 KB	Output is correct
47	Correct	745 ms	632 KB	Output is correct
48	Correct	746 ms	632 KB	Output is correct
49	Correct	738 ms	512 KB	Output is correct
50	Correct	745 ms	652 KB	Output is correct
51	Correct	3 ms	384 KB	Output is correct
52	Correct	858 ms	760 KB	Output is correct
53	Execution timed out	1031 ms	676 KB	Time limit exceeded
54	Halted	0 ms	0 KB	-

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	512 KB	Output is correct
2	Correct	6 ms	512 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	5 ms	512 KB	Output is correct
5	Correct	11 ms	512 KB	Output is correct
6	Correct	7 ms	512 KB	Output is correct
7	Correct	6 ms	512 KB	Output is correct
8	Correct	11 ms	512 KB	Output is correct
9	Correct	9 ms	512 KB	Output is correct
10	Correct	29 ms	512 KB	Output is correct
11	Correct	29 ms	512 KB	Output is correct
12	Correct	29 ms	512 KB	Output is correct
13	Correct	24 ms	512 KB	Output is correct
14	Correct	27 ms	512 KB	Output is correct
15	Correct	27 ms	512 KB	Output is correct
16	Correct	29 ms	512 KB	Output is correct
17	Correct	16 ms	512 KB	Output is correct
18	Correct	22 ms	512 KB	Output is correct
19	Correct	25 ms	512 KB	Output is correct
20	Correct	29 ms	512 KB	Output is correct
21	Correct	81 ms	512 KB	Output is correct
22	Correct	99 ms	512 KB	Output is correct
23	Correct	57 ms	544 KB	Output is correct
24	Correct	146 ms	548 KB	Output is correct
25	Correct	144 ms	512 KB	Output is correct
26	Correct	157 ms	512 KB	Output is correct
27	Correct	161 ms	636 KB	Output is correct
28	Correct	161 ms	544 KB	Output is correct
29	Correct	157 ms	512 KB	Output is correct
30	Correct	156 ms	548 KB	Output is correct
31	Correct	166 ms	632 KB	Output is correct
32	Correct	158 ms	512 KB	Output is correct
33	Correct	158 ms	512 KB	Output is correct
34	Correct	158 ms	632 KB	Output is correct
35	Correct	157 ms	632 KB	Output is correct
36	Correct	160 ms	544 KB	Output is correct
37	Correct	502 ms	548 KB	Output is correct
38	Correct	502 ms	632 KB	Output is correct
39	Correct	736 ms	512 KB	Output is correct
40	Correct	852 ms	632 KB	Output is correct
41	Correct	851 ms	512 KB	Output is correct
42	Correct	737 ms	632 KB	Output is correct
43	Correct	721 ms	632 KB	Output is correct
44	Correct	741 ms	676 KB	Output is correct
45	Correct	747 ms	760 KB	Output is correct
46	Correct	851 ms	632 KB	Output is correct
47	Correct	745 ms	632 KB	Output is correct
48	Correct	746 ms	632 KB	Output is correct
49	Correct	738 ms	512 KB	Output is correct
50	Correct	745 ms	652 KB	Output is correct
51	Correct	3 ms	384 KB	Output is correct
52	Correct	858 ms	760 KB	Output is correct
53	Execution timed out	1031 ms	676 KB	Time limit exceeded
54	Halted	0 ms	0 KB	-

답안 #315300

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 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
0 / 21.0

Subtask #6
0 / 35.0