답안 #315307

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
315307	2020-10-22T10:13:41 Z	dolphingarlic	Bootfall (IZhO17_bootfall)	C++14	44 / 100	1000 ms	760 KB

bootfall

#include <bits/stdc++.h>
#pragma GCC optimize("unroll-loops")
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 < 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 >> 1) >= j && possible[(tot - a[i] + j >> 1) - 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:24:65: warning: suggest parentheses around '+' in operand of '&' [-Wparentheses]
   24 |         for (int j = 1; j < 250001; j++) good[j] = !(tot - a[i] + j & 1) && (tot - a[i] + j >> 1) >= j && possible[(tot - a[i] + j >> 1) - j];
      |                                                      ~~~~~~~~~~~^~~
bootfall.cpp:24:89: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   24 |         for (int j = 1; j < 250001; j++) good[j] = !(tot - a[i] + j & 1) && (tot - a[i] + j >> 1) >= j && possible[(tot - a[i] + j >> 1) - j];
      |                                                                              ~~~~~~~~~~~^~~
bootfall.cpp:24:128: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   24 |         for (int j = 1; j < 250001; j++) good[j] = !(tot - a[i] + j & 1) && (tot - a[i] + j >> 1) >= j && possible[(tot - a[i] + j >> 1) - j];
      |                                                                                                                     ~~~~~~~~~~~^~~
bootfall.cpp:28:14: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::size_t' {aka 'long unsigned int'} [-Wformat=]
   28 |     printf("%d\n", ans.count());
      |             ~^     ~~~~~~~~~~~
      |              |              |
      |              int            std::size_t {aka long unsigned int}
      |             %ld
bootfall.cpp:7:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    7 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
bootfall.cpp:11:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   11 |         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	5 ms	512 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	4 ms	512 KB	Output is correct
5	Correct	10 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	5 ms	512 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	4 ms	512 KB	Output is correct
5	Correct	10 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	28 ms	512 KB	Output is correct
11	Correct	29 ms	512 KB	Output is correct
12	Correct	28 ms	512 KB	Output is correct
13	Correct	24 ms	512 KB	Output is correct
14	Correct	26 ms	512 KB	Output is correct
15	Correct	26 ms	632 KB	Output is correct
16	Correct	28 ms	512 KB	Output is correct
17	Correct	16 ms	512 KB	Output is correct
18	Correct	21 ms	512 KB	Output is correct
19	Correct	24 ms	512 KB	Output is correct
20	Correct	28 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	5 ms	512 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	4 ms	512 KB	Output is correct
5	Correct	10 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	28 ms	512 KB	Output is correct
11	Correct	29 ms	512 KB	Output is correct
12	Correct	28 ms	512 KB	Output is correct
13	Correct	24 ms	512 KB	Output is correct
14	Correct	26 ms	512 KB	Output is correct
15	Correct	26 ms	632 KB	Output is correct
16	Correct	28 ms	512 KB	Output is correct
17	Correct	16 ms	512 KB	Output is correct
18	Correct	21 ms	512 KB	Output is correct
19	Correct	24 ms	512 KB	Output is correct
20	Correct	28 ms	512 KB	Output is correct
21	Correct	77 ms	512 KB	Output is correct
22	Correct	98 ms	632 KB	Output is correct
23	Correct	58 ms	512 KB	Output is correct
24	Correct	140 ms	512 KB	Output is correct
25	Correct	144 ms	632 KB	Output is correct
26	Correct	153 ms	512 KB	Output is correct
27	Correct	152 ms	512 KB	Output is correct
28	Correct	153 ms	632 KB	Output is correct
29	Correct	154 ms	512 KB	Output is correct
30	Correct	156 ms	632 KB	Output is correct
31	Correct	154 ms	512 KB	Output is correct
32	Correct	153 ms	512 KB	Output is correct
33	Correct	154 ms	512 KB	Output is correct
34	Correct	151 ms	544 KB	Output is correct
35	Correct	152 ms	512 KB	Output is correct
36	Correct	152 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	5 ms	512 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	4 ms	512 KB	Output is correct
5	Correct	10 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	28 ms	512 KB	Output is correct
11	Correct	29 ms	512 KB	Output is correct
12	Correct	28 ms	512 KB	Output is correct
13	Correct	24 ms	512 KB	Output is correct
14	Correct	26 ms	512 KB	Output is correct
15	Correct	26 ms	632 KB	Output is correct
16	Correct	28 ms	512 KB	Output is correct
17	Correct	16 ms	512 KB	Output is correct
18	Correct	21 ms	512 KB	Output is correct
19	Correct	24 ms	512 KB	Output is correct
20	Correct	28 ms	512 KB	Output is correct
21	Correct	77 ms	512 KB	Output is correct
22	Correct	98 ms	632 KB	Output is correct
23	Correct	58 ms	512 KB	Output is correct
24	Correct	140 ms	512 KB	Output is correct
25	Correct	144 ms	632 KB	Output is correct
26	Correct	153 ms	512 KB	Output is correct
27	Correct	152 ms	512 KB	Output is correct
28	Correct	153 ms	632 KB	Output is correct
29	Correct	154 ms	512 KB	Output is correct
30	Correct	156 ms	632 KB	Output is correct
31	Correct	154 ms	512 KB	Output is correct
32	Correct	153 ms	512 KB	Output is correct
33	Correct	154 ms	512 KB	Output is correct
34	Correct	151 ms	544 KB	Output is correct
35	Correct	152 ms	512 KB	Output is correct
36	Correct	152 ms	544 KB	Output is correct
37	Correct	491 ms	632 KB	Output is correct
38	Correct	482 ms	664 KB	Output is correct
39	Correct	715 ms	632 KB	Output is correct
40	Correct	821 ms	632 KB	Output is correct
41	Correct	821 ms	632 KB	Output is correct
42	Correct	713 ms	632 KB	Output is correct
43	Correct	682 ms	760 KB	Output is correct
44	Correct	710 ms	672 KB	Output is correct
45	Correct	713 ms	632 KB	Output is correct
46	Correct	811 ms	512 KB	Output is correct
47	Correct	717 ms	540 KB	Output is correct
48	Correct	749 ms	540 KB	Output is correct
49	Correct	718 ms	632 KB	Output is correct
50	Correct	724 ms	636 KB	Output is correct
51	Correct	3 ms	384 KB	Output is correct
52	Correct	844 ms	672 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	5 ms	512 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	4 ms	512 KB	Output is correct
5	Correct	10 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	28 ms	512 KB	Output is correct
11	Correct	29 ms	512 KB	Output is correct
12	Correct	28 ms	512 KB	Output is correct
13	Correct	24 ms	512 KB	Output is correct
14	Correct	26 ms	512 KB	Output is correct
15	Correct	26 ms	632 KB	Output is correct
16	Correct	28 ms	512 KB	Output is correct
17	Correct	16 ms	512 KB	Output is correct
18	Correct	21 ms	512 KB	Output is correct
19	Correct	24 ms	512 KB	Output is correct
20	Correct	28 ms	512 KB	Output is correct
21	Correct	77 ms	512 KB	Output is correct
22	Correct	98 ms	632 KB	Output is correct
23	Correct	58 ms	512 KB	Output is correct
24	Correct	140 ms	512 KB	Output is correct
25	Correct	144 ms	632 KB	Output is correct
26	Correct	153 ms	512 KB	Output is correct
27	Correct	152 ms	512 KB	Output is correct
28	Correct	153 ms	632 KB	Output is correct
29	Correct	154 ms	512 KB	Output is correct
30	Correct	156 ms	632 KB	Output is correct
31	Correct	154 ms	512 KB	Output is correct
32	Correct	153 ms	512 KB	Output is correct
33	Correct	154 ms	512 KB	Output is correct
34	Correct	151 ms	544 KB	Output is correct
35	Correct	152 ms	512 KB	Output is correct
36	Correct	152 ms	544 KB	Output is correct
37	Correct	491 ms	632 KB	Output is correct
38	Correct	482 ms	664 KB	Output is correct
39	Correct	715 ms	632 KB	Output is correct
40	Correct	821 ms	632 KB	Output is correct
41	Correct	821 ms	632 KB	Output is correct
42	Correct	713 ms	632 KB	Output is correct
43	Correct	682 ms	760 KB	Output is correct
44	Correct	710 ms	672 KB	Output is correct
45	Correct	713 ms	632 KB	Output is correct
46	Correct	811 ms	512 KB	Output is correct
47	Correct	717 ms	540 KB	Output is correct
48	Correct	749 ms	540 KB	Output is correct
49	Correct	718 ms	632 KB	Output is correct
50	Correct	724 ms	636 KB	Output is correct
51	Correct	3 ms	384 KB	Output is correct
52	Correct	844 ms	672 KB	Output is correct
53	Execution timed out	1024 ms	760 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	5 ms	512 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	4 ms	512 KB	Output is correct
5	Correct	10 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	28 ms	512 KB	Output is correct
11	Correct	29 ms	512 KB	Output is correct
12	Correct	28 ms	512 KB	Output is correct
13	Correct	24 ms	512 KB	Output is correct
14	Correct	26 ms	512 KB	Output is correct
15	Correct	26 ms	632 KB	Output is correct
16	Correct	28 ms	512 KB	Output is correct
17	Correct	16 ms	512 KB	Output is correct
18	Correct	21 ms	512 KB	Output is correct
19	Correct	24 ms	512 KB	Output is correct
20	Correct	28 ms	512 KB	Output is correct
21	Correct	77 ms	512 KB	Output is correct
22	Correct	98 ms	632 KB	Output is correct
23	Correct	58 ms	512 KB	Output is correct
24	Correct	140 ms	512 KB	Output is correct
25	Correct	144 ms	632 KB	Output is correct
26	Correct	153 ms	512 KB	Output is correct
27	Correct	152 ms	512 KB	Output is correct
28	Correct	153 ms	632 KB	Output is correct
29	Correct	154 ms	512 KB	Output is correct
30	Correct	156 ms	632 KB	Output is correct
31	Correct	154 ms	512 KB	Output is correct
32	Correct	153 ms	512 KB	Output is correct
33	Correct	154 ms	512 KB	Output is correct
34	Correct	151 ms	544 KB	Output is correct
35	Correct	152 ms	512 KB	Output is correct
36	Correct	152 ms	544 KB	Output is correct
37	Correct	491 ms	632 KB	Output is correct
38	Correct	482 ms	664 KB	Output is correct
39	Correct	715 ms	632 KB	Output is correct
40	Correct	821 ms	632 KB	Output is correct
41	Correct	821 ms	632 KB	Output is correct
42	Correct	713 ms	632 KB	Output is correct
43	Correct	682 ms	760 KB	Output is correct
44	Correct	710 ms	672 KB	Output is correct
45	Correct	713 ms	632 KB	Output is correct
46	Correct	811 ms	512 KB	Output is correct
47	Correct	717 ms	540 KB	Output is correct
48	Correct	749 ms	540 KB	Output is correct
49	Correct	718 ms	632 KB	Output is correct
50	Correct	724 ms	636 KB	Output is correct
51	Correct	3 ms	384 KB	Output is correct
52	Correct	844 ms	672 KB	Output is correct
53	Execution timed out	1024 ms	760 KB	Time limit exceeded
54	Halted	0 ms	0 KB	-

답안 #315307

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