답안 #315303

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
315303	2020-10-22T10:11:03 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 >> 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 = 1; j <= tot; j++) good[j] = !(tot - a[i] + j & 1) && (tot - a[i] + j >> 1) - j >= 0 && possible[(tot - a[i] + j >> 1) - j];
        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:23:63: warning: suggest parentheses around '+' in operand of '&' [-Wparentheses]
   23 |         for (int j = 1; j <= tot; j++) good[j] = !(tot - a[i] + j & 1) && (tot - a[i] + j >> 1) - j >= 0 && possible[(tot - a[i] + j >> 1) - j];
      |                                                    ~~~~~~~~~~~^~~
bootfall.cpp:23:87: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   23 |         for (int j = 1; j <= tot; j++) good[j] = !(tot - a[i] + j & 1) && (tot - a[i] + j >> 1) - j >= 0 && possible[(tot - a[i] + j >> 1) - j];
      |                                                                            ~~~~~~~~~~~^~~
bootfall.cpp:23:130: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   23 |         for (int j = 1; j <= tot; j++) good[j] = !(tot - a[i] + j & 1) && (tot - a[i] + j >> 1) - j >= 0 && possible[(tot - a[i] + j >> 1) - 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	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	2 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	2 ms	512 KB	Output is correct
10	Correct	10 ms	512 KB	Output is correct
11	Correct	10 ms	512 KB	Output is correct
12	Correct	10 ms	512 KB	Output is correct
13	Correct	8 ms	512 KB	Output is correct
14	Correct	10 ms	512 KB	Output is correct
15	Correct	9 ms	512 KB	Output is correct
16	Correct	13 ms	552 KB	Output is correct
17	Correct	4 ms	512 KB	Output is correct
18	Correct	7 ms	512 KB	Output is correct
19	Correct	11 ms	512 KB	Output is correct
20	Correct	10 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	2 ms	512 KB	Output is correct
10	Correct	10 ms	512 KB	Output is correct
11	Correct	10 ms	512 KB	Output is correct
12	Correct	10 ms	512 KB	Output is correct
13	Correct	8 ms	512 KB	Output is correct
14	Correct	10 ms	512 KB	Output is correct
15	Correct	9 ms	512 KB	Output is correct
16	Correct	13 ms	552 KB	Output is correct
17	Correct	4 ms	512 KB	Output is correct
18	Correct	7 ms	512 KB	Output is correct
19	Correct	11 ms	512 KB	Output is correct
20	Correct	10 ms	512 KB	Output is correct
21	Correct	44 ms	512 KB	Output is correct
22	Correct	60 ms	512 KB	Output is correct
23	Correct	26 ms	512 KB	Output is correct
24	Correct	92 ms	632 KB	Output is correct
25	Correct	93 ms	512 KB	Output is correct
26	Correct	112 ms	512 KB	Output is correct
27	Correct	113 ms	544 KB	Output is correct
28	Correct	105 ms	512 KB	Output is correct
29	Correct	108 ms	544 KB	Output is correct
30	Correct	106 ms	512 KB	Output is correct
31	Correct	106 ms	512 KB	Output is correct
32	Correct	107 ms	632 KB	Output is correct
33	Correct	105 ms	512 KB	Output is correct
34	Correct	109 ms	540 KB	Output is correct
35	Correct	104 ms	512 KB	Output is correct
36	Correct	105 ms	632 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	2 ms	512 KB	Output is correct
10	Correct	10 ms	512 KB	Output is correct
11	Correct	10 ms	512 KB	Output is correct
12	Correct	10 ms	512 KB	Output is correct
13	Correct	8 ms	512 KB	Output is correct
14	Correct	10 ms	512 KB	Output is correct
15	Correct	9 ms	512 KB	Output is correct
16	Correct	13 ms	552 KB	Output is correct
17	Correct	4 ms	512 KB	Output is correct
18	Correct	7 ms	512 KB	Output is correct
19	Correct	11 ms	512 KB	Output is correct
20	Correct	10 ms	512 KB	Output is correct
21	Correct	44 ms	512 KB	Output is correct
22	Correct	60 ms	512 KB	Output is correct
23	Correct	26 ms	512 KB	Output is correct
24	Correct	92 ms	632 KB	Output is correct
25	Correct	93 ms	512 KB	Output is correct
26	Correct	112 ms	512 KB	Output is correct
27	Correct	113 ms	544 KB	Output is correct
28	Correct	105 ms	512 KB	Output is correct
29	Correct	108 ms	544 KB	Output is correct
30	Correct	106 ms	512 KB	Output is correct
31	Correct	106 ms	512 KB	Output is correct
32	Correct	107 ms	632 KB	Output is correct
33	Correct	105 ms	512 KB	Output is correct
34	Correct	109 ms	540 KB	Output is correct
35	Correct	104 ms	512 KB	Output is correct
36	Correct	105 ms	632 KB	Output is correct
37	Correct	421 ms	540 KB	Output is correct
38	Correct	423 ms	632 KB	Output is correct
39	Correct	708 ms	632 KB	Output is correct
40	Correct	767 ms	636 KB	Output is correct
41	Correct	791 ms	632 KB	Output is correct
42	Correct	654 ms	632 KB	Output is correct
43	Correct	640 ms	760 KB	Output is correct
44	Correct	662 ms	632 KB	Output is correct
45	Correct	674 ms	632 KB	Output is correct
46	Correct	753 ms	632 KB	Output is correct
47	Correct	660 ms	632 KB	Output is correct
48	Correct	677 ms	632 KB	Output is correct
49	Correct	672 ms	632 KB	Output is correct
50	Correct	659 ms	544 KB	Output is correct
51	Correct	3 ms	384 KB	Output is correct
52	Correct	790 ms	672 KB	Output is correct

Subtask #5
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	2 ms	512 KB	Output is correct
10	Correct	10 ms	512 KB	Output is correct
11	Correct	10 ms	512 KB	Output is correct
12	Correct	10 ms	512 KB	Output is correct
13	Correct	8 ms	512 KB	Output is correct
14	Correct	10 ms	512 KB	Output is correct
15	Correct	9 ms	512 KB	Output is correct
16	Correct	13 ms	552 KB	Output is correct
17	Correct	4 ms	512 KB	Output is correct
18	Correct	7 ms	512 KB	Output is correct
19	Correct	11 ms	512 KB	Output is correct
20	Correct	10 ms	512 KB	Output is correct
21	Correct	44 ms	512 KB	Output is correct
22	Correct	60 ms	512 KB	Output is correct
23	Correct	26 ms	512 KB	Output is correct
24	Correct	92 ms	632 KB	Output is correct
25	Correct	93 ms	512 KB	Output is correct
26	Correct	112 ms	512 KB	Output is correct
27	Correct	113 ms	544 KB	Output is correct
28	Correct	105 ms	512 KB	Output is correct
29	Correct	108 ms	544 KB	Output is correct
30	Correct	106 ms	512 KB	Output is correct
31	Correct	106 ms	512 KB	Output is correct
32	Correct	107 ms	632 KB	Output is correct
33	Correct	105 ms	512 KB	Output is correct
34	Correct	109 ms	540 KB	Output is correct
35	Correct	104 ms	512 KB	Output is correct
36	Correct	105 ms	632 KB	Output is correct
37	Correct	421 ms	540 KB	Output is correct
38	Correct	423 ms	632 KB	Output is correct
39	Correct	708 ms	632 KB	Output is correct
40	Correct	767 ms	636 KB	Output is correct
41	Correct	791 ms	632 KB	Output is correct
42	Correct	654 ms	632 KB	Output is correct
43	Correct	640 ms	760 KB	Output is correct
44	Correct	662 ms	632 KB	Output is correct
45	Correct	674 ms	632 KB	Output is correct
46	Correct	753 ms	632 KB	Output is correct
47	Correct	660 ms	632 KB	Output is correct
48	Correct	677 ms	632 KB	Output is correct
49	Correct	672 ms	632 KB	Output is correct
50	Correct	659 ms	544 KB	Output is correct
51	Correct	3 ms	384 KB	Output is correct
52	Correct	790 ms	672 KB	Output is correct
53	Correct	955 ms	672 KB	Output is correct
54	Execution timed out	1098 ms	512 KB	Time limit exceeded
55	Halted	0 ms	0 KB	-

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	2 ms	512 KB	Output is correct
10	Correct	10 ms	512 KB	Output is correct
11	Correct	10 ms	512 KB	Output is correct
12	Correct	10 ms	512 KB	Output is correct
13	Correct	8 ms	512 KB	Output is correct
14	Correct	10 ms	512 KB	Output is correct
15	Correct	9 ms	512 KB	Output is correct
16	Correct	13 ms	552 KB	Output is correct
17	Correct	4 ms	512 KB	Output is correct
18	Correct	7 ms	512 KB	Output is correct
19	Correct	11 ms	512 KB	Output is correct
20	Correct	10 ms	512 KB	Output is correct
21	Correct	44 ms	512 KB	Output is correct
22	Correct	60 ms	512 KB	Output is correct
23	Correct	26 ms	512 KB	Output is correct
24	Correct	92 ms	632 KB	Output is correct
25	Correct	93 ms	512 KB	Output is correct
26	Correct	112 ms	512 KB	Output is correct
27	Correct	113 ms	544 KB	Output is correct
28	Correct	105 ms	512 KB	Output is correct
29	Correct	108 ms	544 KB	Output is correct
30	Correct	106 ms	512 KB	Output is correct
31	Correct	106 ms	512 KB	Output is correct
32	Correct	107 ms	632 KB	Output is correct
33	Correct	105 ms	512 KB	Output is correct
34	Correct	109 ms	540 KB	Output is correct
35	Correct	104 ms	512 KB	Output is correct
36	Correct	105 ms	632 KB	Output is correct
37	Correct	421 ms	540 KB	Output is correct
38	Correct	423 ms	632 KB	Output is correct
39	Correct	708 ms	632 KB	Output is correct
40	Correct	767 ms	636 KB	Output is correct
41	Correct	791 ms	632 KB	Output is correct
42	Correct	654 ms	632 KB	Output is correct
43	Correct	640 ms	760 KB	Output is correct
44	Correct	662 ms	632 KB	Output is correct
45	Correct	674 ms	632 KB	Output is correct
46	Correct	753 ms	632 KB	Output is correct
47	Correct	660 ms	632 KB	Output is correct
48	Correct	677 ms	632 KB	Output is correct
49	Correct	672 ms	632 KB	Output is correct
50	Correct	659 ms	544 KB	Output is correct
51	Correct	3 ms	384 KB	Output is correct
52	Correct	790 ms	672 KB	Output is correct
53	Correct	955 ms	672 KB	Output is correct
54	Execution timed out	1098 ms	512 KB	Time limit exceeded
55	Halted	0 ms	0 KB	-

답안 #315303

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