oj.uz

Submission #315316

# Submission time Handle Problem Language Result Execution time Memory
315316 2020-10-22T10:24:20 Z dolphingarlic Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 1344 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<125001> 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<125001> ans;
    for (int i = 1; i <= tot; i++) ans[i] = 1;

    for (int i = 0; i < n; i++) {
        bitset<125001> 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 1 ms 384 KB Output is correct
4 Correct 0 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 0 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 1 ms 384 KB Output is correct
4 Correct 0 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 0 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 4 ms 416 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 6 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 3 ms 384 KB Output is correct
20 Correct 4 ms 384 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 1 ms 384 KB Output is correct
4 Correct 0 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 0 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 4 ms 416 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 6 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 3 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 19 ms 384 KB Output is correct
22 Correct 23 ms 384 KB Output is correct
23 Correct 12 ms 384 KB Output is correct
24 Correct 37 ms 504 KB Output is correct
25 Correct 37 ms 504 KB Output is correct
26 Correct 41 ms 384 KB Output is correct
27 Correct 40 ms 384 KB Output is correct
28 Correct 40 ms 416 KB Output is correct
29 Correct 41 ms 384 KB Output is correct
30 Correct 40 ms 384 KB Output is correct
31 Correct 40 ms 384 KB Output is correct
32 Correct 40 ms 384 KB Output is correct
33 Correct 40 ms 384 KB Output is correct
34 Correct 40 ms 384 KB Output is correct
35 Correct 40 ms 384 KB Output is correct
36 Correct 40 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 1 ms 384 KB Output is correct
4 Correct 0 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 0 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 4 ms 416 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 6 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 3 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 19 ms 384 KB Output is correct
22 Correct 23 ms 384 KB Output is correct
23 Correct 12 ms 384 KB Output is correct
24 Correct 37 ms 504 KB Output is correct
25 Correct 37 ms 504 KB Output is correct
26 Correct 41 ms 384 KB Output is correct
27 Correct 40 ms 384 KB Output is correct
28 Correct 40 ms 416 KB Output is correct
29 Correct 41 ms 384 KB Output is correct
30 Correct 40 ms 384 KB Output is correct
31 Correct 40 ms 384 KB Output is correct
32 Correct 40 ms 384 KB Output is correct
33 Correct 40 ms 384 KB Output is correct
34 Correct 40 ms 384 KB Output is correct
35 Correct 40 ms 384 KB Output is correct
36 Correct 40 ms 384 KB Output is correct
37 Correct 160 ms 504 KB Output is correct
38 Correct 162 ms 504 KB Output is correct
39 Correct 260 ms 580 KB Output is correct
40 Correct 292 ms 448 KB Output is correct
41 Correct 295 ms 504 KB Output is correct
42 Correct 251 ms 504 KB Output is correct
43 Correct 253 ms 632 KB Output is correct
44 Correct 259 ms 632 KB Output is correct
45 Correct 262 ms 504 KB Output is correct
46 Correct 287 ms 384 KB Output is correct
47 Correct 252 ms 504 KB Output is correct
48 Correct 266 ms 508 KB Output is correct
49 Correct 264 ms 384 KB Output is correct
50 Correct 254 ms 452 KB Output is correct
51 Correct 2 ms 384 KB Output is correct
52 Correct 307 ms 580 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 1 ms 384 KB Output is correct
4 Correct 0 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 0 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 4 ms 416 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 6 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 3 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 19 ms 384 KB Output is correct
22 Correct 23 ms 384 KB Output is correct
23 Correct 12 ms 384 KB Output is correct
24 Correct 37 ms 504 KB Output is correct
25 Correct 37 ms 504 KB Output is correct
26 Correct 41 ms 384 KB Output is correct
27 Correct 40 ms 384 KB Output is correct
28 Correct 40 ms 416 KB Output is correct
29 Correct 41 ms 384 KB Output is correct
30 Correct 40 ms 384 KB Output is correct
31 Correct 40 ms 384 KB Output is correct
32 Correct 40 ms 384 KB Output is correct
33 Correct 40 ms 384 KB Output is correct
34 Correct 40 ms 384 KB Output is correct
35 Correct 40 ms 384 KB Output is correct
36 Correct 40 ms 384 KB Output is correct
37 Correct 160 ms 504 KB Output is correct
38 Correct 162 ms 504 KB Output is correct
39 Correct 260 ms 580 KB Output is correct
40 Correct 292 ms 448 KB Output is correct
41 Correct 295 ms 504 KB Output is correct
42 Correct 251 ms 504 KB Output is correct
43 Correct 253 ms 632 KB Output is correct
44 Correct 259 ms 632 KB Output is correct
45 Correct 262 ms 504 KB Output is correct
46 Correct 287 ms 384 KB Output is correct
47 Correct 252 ms 504 KB Output is correct
48 Correct 266 ms 508 KB Output is correct
49 Correct 264 ms 384 KB Output is correct
50 Correct 254 ms 452 KB Output is correct
51 Correct 2 ms 384 KB Output is correct
52 Correct 307 ms 580 KB Output is correct
53 Correct 379 ms 632 KB Output is correct
54 Correct 500 ms 632 KB Output is correct
55 Correct 528 ms 760 KB Output is correct
56 Correct 380 ms 632 KB Output is correct
57 Correct 513 ms 760 KB Output is correct
58 Correct 499 ms 632 KB Output is correct
59 Correct 502 ms 632 KB Output is correct
60 Correct 2 ms 384 KB Output is correct
61 Correct 505 ms 576 KB Output is correct
62 Correct 429 ms 760 KB Output is correct
63 Correct 438 ms 760 KB Output is correct
64 Correct 418 ms 760 KB Output is correct
65 Correct 403 ms 384 KB Output is correct
66 Correct 392 ms 384 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 1 ms 384 KB Output is correct
4 Correct 0 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 0 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 4 ms 416 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 6 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 3 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 19 ms 384 KB Output is correct
22 Correct 23 ms 384 KB Output is correct
23 Correct 12 ms 384 KB Output is correct
24 Correct 37 ms 504 KB Output is correct
25 Correct 37 ms 504 KB Output is correct
26 Correct 41 ms 384 KB Output is correct
27 Correct 40 ms 384 KB Output is correct
28 Correct 40 ms 416 KB Output is correct
29 Correct 41 ms 384 KB Output is correct
30 Correct 40 ms 384 KB Output is correct
31 Correct 40 ms 384 KB Output is correct
32 Correct 40 ms 384 KB Output is correct
33 Correct 40 ms 384 KB Output is correct
34 Correct 40 ms 384 KB Output is correct
35 Correct 40 ms 384 KB Output is correct
36 Correct 40 ms 384 KB Output is correct
37 Correct 160 ms 504 KB Output is correct
38 Correct 162 ms 504 KB Output is correct
39 Correct 260 ms 580 KB Output is correct
40 Correct 292 ms 448 KB Output is correct
41 Correct 295 ms 504 KB Output is correct
42 Correct 251 ms 504 KB Output is correct
43 Correct 253 ms 632 KB Output is correct
44 Correct 259 ms 632 KB Output is correct
45 Correct 262 ms 504 KB Output is correct
46 Correct 287 ms 384 KB Output is correct
47 Correct 252 ms 504 KB Output is correct
48 Correct 266 ms 508 KB Output is correct
49 Correct 264 ms 384 KB Output is correct
50 Correct 254 ms 452 KB Output is correct
51 Correct 2 ms 384 KB Output is correct
52 Correct 307 ms 580 KB Output is correct
53 Correct 379 ms 632 KB Output is correct
54 Correct 500 ms 632 KB Output is correct
55 Correct 528 ms 760 KB Output is correct
56 Correct 380 ms 632 KB Output is correct
57 Correct 513 ms 760 KB Output is correct
58 Correct 499 ms 632 KB Output is correct
59 Correct 502 ms 632 KB Output is correct
60 Correct 2 ms 384 KB Output is correct
61 Correct 505 ms 576 KB Output is correct
62 Correct 429 ms 760 KB Output is correct
63 Correct 438 ms 760 KB Output is correct
64 Correct 418 ms 760 KB Output is correct
65 Correct 403 ms 384 KB Output is correct
66 Correct 392 ms 384 KB Output is correct
67 Correct 651 ms 632 KB Output is correct
68 Correct 2 ms 384 KB Output is correct
69 Execution timed out 1076 ms 1344 KB Time limit exceeded
70 Halted 0 ms 0 KB -