oj.uz

Submission #315313

# Submission time Handle Problem Language Result Execution time Memory
315313 2020-10-22T10:21:58 Z dolphingarlic Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 760 KB 
#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<160000> 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<160000> ans;
    for (int i = 1; i <= tot; i++) ans[i] = 1;

    for (int i = 0; i < n; i++) {
        bitset<160000> 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

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 6 ms 512 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 6 ms 512 KB Output is correct
21 Correct 21 ms 384 KB Output is correct
22 Correct 28 ms 512 KB Output is correct
23 Correct 13 ms 384 KB Output is correct
24 Correct 44 ms 384 KB Output is correct
25 Correct 45 ms 476 KB Output is correct
26 Correct 52 ms 504 KB Output is correct
27 Correct 51 ms 384 KB Output is correct
28 Correct 51 ms 384 KB Output is correct
29 Correct 51 ms 384 KB Output is correct
30 Correct 49 ms 480 KB Output is correct
31 Correct 50 ms 504 KB Output is correct
32 Correct 49 ms 384 KB Output is correct
33 Correct 50 ms 384 KB Output is correct
34 Correct 49 ms 384 KB Output is correct
35 Correct 50 ms 384 KB Output is correct
36 Correct 49 ms 384 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 6 ms 512 KB Output is correct
21 Correct 21 ms 384 KB Output is correct
22 Correct 28 ms 512 KB Output is correct
23 Correct 13 ms 384 KB Output is correct
24 Correct 44 ms 384 KB Output is correct
25 Correct 45 ms 476 KB Output is correct
26 Correct 52 ms 504 KB Output is correct
27 Correct 51 ms 384 KB Output is correct
28 Correct 51 ms 384 KB Output is correct
29 Correct 51 ms 384 KB Output is correct
30 Correct 49 ms 480 KB Output is correct
31 Correct 50 ms 504 KB Output is correct
32 Correct 49 ms 384 KB Output is correct
33 Correct 50 ms 384 KB Output is correct
34 Correct 49 ms 384 KB Output is correct
35 Correct 50 ms 384 KB Output is correct
36 Correct 49 ms 384 KB Output is correct
37 Correct 199 ms 480 KB Output is correct
38 Correct 201 ms 504 KB Output is correct
39 Correct 321 ms 384 KB Output is correct
40 Correct 369 ms 504 KB Output is correct
41 Correct 355 ms 476 KB Output is correct
42 Correct 313 ms 504 KB Output is correct
43 Correct 311 ms 504 KB Output is correct
44 Correct 317 ms 632 KB Output is correct
45 Correct 324 ms 632 KB Output is correct
46 Correct 359 ms 480 KB Output is correct
47 Correct 322 ms 504 KB Output is correct
48 Correct 330 ms 504 KB Output is correct
49 Correct 327 ms 504 KB Output is correct
50 Correct 313 ms 504 KB Output is correct
51 Correct 2 ms 384 KB Output is correct
52 Correct 365 ms 632 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 6 ms 512 KB Output is correct
21 Correct 21 ms 384 KB Output is correct
22 Correct 28 ms 512 KB Output is correct
23 Correct 13 ms 384 KB Output is correct
24 Correct 44 ms 384 KB Output is correct
25 Correct 45 ms 476 KB Output is correct
26 Correct 52 ms 504 KB Output is correct
27 Correct 51 ms 384 KB Output is correct
28 Correct 51 ms 384 KB Output is correct
29 Correct 51 ms 384 KB Output is correct
30 Correct 49 ms 480 KB Output is correct
31 Correct 50 ms 504 KB Output is correct
32 Correct 49 ms 384 KB Output is correct
33 Correct 50 ms 384 KB Output is correct
34 Correct 49 ms 384 KB Output is correct
35 Correct 50 ms 384 KB Output is correct
36 Correct 49 ms 384 KB Output is correct
37 Correct 199 ms 480 KB Output is correct
38 Correct 201 ms 504 KB Output is correct
39 Correct 321 ms 384 KB Output is correct
40 Correct 369 ms 504 KB Output is correct
41 Correct 355 ms 476 KB Output is correct
42 Correct 313 ms 504 KB Output is correct
43 Correct 311 ms 504 KB Output is correct
44 Correct 317 ms 632 KB Output is correct
45 Correct 324 ms 632 KB Output is correct
46 Correct 359 ms 480 KB Output is correct
47 Correct 322 ms 504 KB Output is correct
48 Correct 330 ms 504 KB Output is correct
49 Correct 327 ms 504 KB Output is correct
50 Correct 313 ms 504 KB Output is correct
51 Correct 2 ms 384 KB Output is correct
52 Correct 365 ms 632 KB Output is correct
53 Correct 451 ms 632 KB Output is correct
54 Correct 619 ms 632 KB Output is correct
55 Correct 608 ms 760 KB Output is correct
56 Correct 471 ms 632 KB Output is correct
57 Correct 612 ms 760 KB Output is correct
58 Correct 626 ms 632 KB Output is correct
59 Correct 611 ms 640 KB Output is correct
60 Correct 2 ms 432 KB Output is correct
61 Correct 611 ms 632 KB Output is correct
62 Correct 503 ms 760 KB Output is correct
63 Correct 511 ms 760 KB Output is correct
64 Correct 492 ms 760 KB Output is correct
65 Correct 507 ms 484 KB Output is correct
66 Correct 484 ms 504 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 6 ms 512 KB Output is correct
21 Correct 21 ms 384 KB Output is correct
22 Correct 28 ms 512 KB Output is correct
23 Correct 13 ms 384 KB Output is correct
24 Correct 44 ms 384 KB Output is correct
25 Correct 45 ms 476 KB Output is correct
26 Correct 52 ms 504 KB Output is correct
27 Correct 51 ms 384 KB Output is correct
28 Correct 51 ms 384 KB Output is correct
29 Correct 51 ms 384 KB Output is correct
30 Correct 49 ms 480 KB Output is correct
31 Correct 50 ms 504 KB Output is correct
32 Correct 49 ms 384 KB Output is correct
33 Correct 50 ms 384 KB Output is correct
34 Correct 49 ms 384 KB Output is correct
35 Correct 50 ms 384 KB Output is correct
36 Correct 49 ms 384 KB Output is correct
37 Correct 199 ms 480 KB Output is correct
38 Correct 201 ms 504 KB Output is correct
39 Correct 321 ms 384 KB Output is correct
40 Correct 369 ms 504 KB Output is correct
41 Correct 355 ms 476 KB Output is correct
42 Correct 313 ms 504 KB Output is correct
43 Correct 311 ms 504 KB Output is correct
44 Correct 317 ms 632 KB Output is correct
45 Correct 324 ms 632 KB Output is correct
46 Correct 359 ms 480 KB Output is correct
47 Correct 322 ms 504 KB Output is correct
48 Correct 330 ms 504 KB Output is correct
49 Correct 327 ms 504 KB Output is correct
50 Correct 313 ms 504 KB Output is correct
51 Correct 2 ms 384 KB Output is correct
52 Correct 365 ms 632 KB Output is correct
53 Correct 451 ms 632 KB Output is correct
54 Correct 619 ms 632 KB Output is correct
55 Correct 608 ms 760 KB Output is correct
56 Correct 471 ms 632 KB Output is correct
57 Correct 612 ms 760 KB Output is correct
58 Correct 626 ms 632 KB Output is correct
59 Correct 611 ms 640 KB Output is correct
60 Correct 2 ms 432 KB Output is correct
61 Correct 611 ms 632 KB Output is correct
62 Correct 503 ms 760 KB Output is correct
63 Correct 511 ms 760 KB Output is correct
64 Correct 492 ms 760 KB Output is correct
65 Correct 507 ms 484 KB Output is correct
66 Correct 484 ms 504 KB Output is correct
67 Correct 796 ms 632 KB Output is correct
68 Correct 3 ms 384 KB Output is correct
69 Execution timed out 1094 ms 384 KB Time limit exceeded
70 Halted 0 ms 0 KB -