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Submission #211287

# Submission time Handle Problem Language Result Execution time Memory
211287 2020-03-20T01:42:08 Z nouvo25 Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 1524 KB 
#include <bits/stdc++.h>

using namespace std;

const int maxn = 507;

int n, a[maxn], cnt[maxn*maxn], s = 0;
bitset<maxn*maxn / 2> f;
vector<int> ans;

int main()
{
//    freopen("test.INP","r",stdin);
    scanf("%d",&n);
    for (int i = 1; i <= n; ++i) scanf("%d",&a[i]), s += a[i];
    if (s % 2) return puts("0"), 0;

    f[0] = 1;
    for (int i = 1; i <= n; ++i)
        f |= (f << a[i]);
    if (!f[s / 2]) return puts("0"), 0;

    for (int i = 1; i <= n; ++i)
    {
        s -= a[i];
        for (int j = 1; j + j <= s; ++j) f[j] = 0;
        for (int j = 1; j <= n; ++j)
            if (j != i) f |= (f << a[j]);
        for (int j = 0; j + j <= s; ++j)
            if (f[j]) ++cnt[s - j - j];
        s += a[i];
    }

    for (int i = 0; i <= s; ++i)
        if (cnt[i] == n) ans.push_back(i);
    printf("%d\n",ans.size());
    for (auto v: ans) printf("%d ",v);
    return 0;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:36:29: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=]
     printf("%d\n",ans.size());
                   ~~~~~~~~~~^
bootfall.cpp:14:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
bootfall.cpp:15:51: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (int i = 1; i <= n; ++i) scanf("%d",&a[i]), s += a[i];
                                  ~~~~~~~~~~~~~~~~~^~~~~~~~~~~

Subtask #1
6.0 / 6.0

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

Subtask #2
7.0 / 7.0

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

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 8 ms 384 KB Output is correct
11 Correct 8 ms 384 KB Output is correct
12 Correct 8 ms 384 KB Output is correct
13 Correct 7 ms 384 KB Output is correct
14 Correct 8 ms 384 KB Output is correct
15 Correct 8 ms 384 KB Output is correct
16 Correct 8 ms 384 KB Output is correct
17 Correct 6 ms 384 KB Output is correct
18 Correct 7 ms 384 KB Output is correct
19 Correct 8 ms 384 KB Output is correct
20 Correct 11 ms 384 KB Output is correct
21 Correct 24 ms 384 KB Output is correct
22 Correct 33 ms 384 KB Output is correct
23 Correct 16 ms 384 KB Output is correct
24 Correct 49 ms 384 KB Output is correct
25 Correct 44 ms 384 KB Output is correct
26 Correct 51 ms 384 KB Output is correct
27 Correct 49 ms 504 KB Output is correct
28 Correct 52 ms 384 KB Output is correct
29 Correct 51 ms 384 KB Output is correct
30 Correct 53 ms 384 KB Output is correct
31 Correct 52 ms 384 KB Output is correct
32 Correct 53 ms 508 KB Output is correct
33 Correct 52 ms 512 KB Output is correct
34 Correct 52 ms 384 KB Output is correct
35 Correct 51 ms 384 KB Output is correct
36 Correct 50 ms 384 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 8 ms 384 KB Output is correct
11 Correct 8 ms 384 KB Output is correct
12 Correct 8 ms 384 KB Output is correct
13 Correct 7 ms 384 KB Output is correct
14 Correct 8 ms 384 KB Output is correct
15 Correct 8 ms 384 KB Output is correct
16 Correct 8 ms 384 KB Output is correct
17 Correct 6 ms 384 KB Output is correct
18 Correct 7 ms 384 KB Output is correct
19 Correct 8 ms 384 KB Output is correct
20 Correct 11 ms 384 KB Output is correct
21 Correct 24 ms 384 KB Output is correct
22 Correct 33 ms 384 KB Output is correct
23 Correct 16 ms 384 KB Output is correct
24 Correct 49 ms 384 KB Output is correct
25 Correct 44 ms 384 KB Output is correct
26 Correct 51 ms 384 KB Output is correct
27 Correct 49 ms 504 KB Output is correct
28 Correct 52 ms 384 KB Output is correct
29 Correct 51 ms 384 KB Output is correct
30 Correct 53 ms 384 KB Output is correct
31 Correct 52 ms 384 KB Output is correct
32 Correct 53 ms 508 KB Output is correct
33 Correct 52 ms 512 KB Output is correct
34 Correct 52 ms 384 KB Output is correct
35 Correct 51 ms 384 KB Output is correct
36 Correct 50 ms 384 KB Output is correct
37 Correct 198 ms 632 KB Output is correct
38 Correct 201 ms 632 KB Output is correct
39 Correct 323 ms 760 KB Output is correct
40 Correct 379 ms 760 KB Output is correct
41 Correct 371 ms 760 KB Output is correct
42 Correct 303 ms 760 KB Output is correct
43 Correct 285 ms 1048 KB Output is correct
44 Correct 290 ms 1016 KB Output is correct
45 Correct 307 ms 992 KB Output is correct
46 Correct 331 ms 632 KB Output is correct
47 Correct 281 ms 760 KB Output is correct
48 Correct 312 ms 888 KB Output is correct
49 Correct 291 ms 684 KB Output is correct
50 Correct 306 ms 760 KB Output is correct
51 Correct 4 ms 384 KB Output is correct
52 Correct 354 ms 1016 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 8 ms 384 KB Output is correct
11 Correct 8 ms 384 KB Output is correct
12 Correct 8 ms 384 KB Output is correct
13 Correct 7 ms 384 KB Output is correct
14 Correct 8 ms 384 KB Output is correct
15 Correct 8 ms 384 KB Output is correct
16 Correct 8 ms 384 KB Output is correct
17 Correct 6 ms 384 KB Output is correct
18 Correct 7 ms 384 KB Output is correct
19 Correct 8 ms 384 KB Output is correct
20 Correct 11 ms 384 KB Output is correct
21 Correct 24 ms 384 KB Output is correct
22 Correct 33 ms 384 KB Output is correct
23 Correct 16 ms 384 KB Output is correct
24 Correct 49 ms 384 KB Output is correct
25 Correct 44 ms 384 KB Output is correct
26 Correct 51 ms 384 KB Output is correct
27 Correct 49 ms 504 KB Output is correct
28 Correct 52 ms 384 KB Output is correct
29 Correct 51 ms 384 KB Output is correct
30 Correct 53 ms 384 KB Output is correct
31 Correct 52 ms 384 KB Output is correct
32 Correct 53 ms 508 KB Output is correct
33 Correct 52 ms 512 KB Output is correct
34 Correct 52 ms 384 KB Output is correct
35 Correct 51 ms 384 KB Output is correct
36 Correct 50 ms 384 KB Output is correct
37 Correct 198 ms 632 KB Output is correct
38 Correct 201 ms 632 KB Output is correct
39 Correct 323 ms 760 KB Output is correct
40 Correct 379 ms 760 KB Output is correct
41 Correct 371 ms 760 KB Output is correct
42 Correct 303 ms 760 KB Output is correct
43 Correct 285 ms 1048 KB Output is correct
44 Correct 290 ms 1016 KB Output is correct
45 Correct 307 ms 992 KB Output is correct
46 Correct 331 ms 632 KB Output is correct
47 Correct 281 ms 760 KB Output is correct
48 Correct 312 ms 888 KB Output is correct
49 Correct 291 ms 684 KB Output is correct
50 Correct 306 ms 760 KB Output is correct
51 Correct 4 ms 384 KB Output is correct
52 Correct 354 ms 1016 KB Output is correct
53 Correct 464 ms 888 KB Output is correct
54 Correct 587 ms 1028 KB Output is correct
55 Correct 583 ms 1480 KB Output is correct
56 Correct 437 ms 1144 KB Output is correct
57 Correct 635 ms 1524 KB Output is correct
58 Correct 594 ms 1044 KB Output is correct
59 Correct 605 ms 1268 KB Output is correct
60 Correct 4 ms 384 KB Output is correct
61 Correct 573 ms 1268 KB Output is correct
62 Correct 514 ms 1396 KB Output is correct
63 Correct 498 ms 1524 KB Output is correct
64 Correct 474 ms 1396 KB Output is correct
65 Correct 480 ms 512 KB Output is correct
66 Correct 484 ms 632 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 8 ms 384 KB Output is correct
11 Correct 8 ms 384 KB Output is correct
12 Correct 8 ms 384 KB Output is correct
13 Correct 7 ms 384 KB Output is correct
14 Correct 8 ms 384 KB Output is correct
15 Correct 8 ms 384 KB Output is correct
16 Correct 8 ms 384 KB Output is correct
17 Correct 6 ms 384 KB Output is correct
18 Correct 7 ms 384 KB Output is correct
19 Correct 8 ms 384 KB Output is correct
20 Correct 11 ms 384 KB Output is correct
21 Correct 24 ms 384 KB Output is correct
22 Correct 33 ms 384 KB Output is correct
23 Correct 16 ms 384 KB Output is correct
24 Correct 49 ms 384 KB Output is correct
25 Correct 44 ms 384 KB Output is correct
26 Correct 51 ms 384 KB Output is correct
27 Correct 49 ms 504 KB Output is correct
28 Correct 52 ms 384 KB Output is correct
29 Correct 51 ms 384 KB Output is correct
30 Correct 53 ms 384 KB Output is correct
31 Correct 52 ms 384 KB Output is correct
32 Correct 53 ms 508 KB Output is correct
33 Correct 52 ms 512 KB Output is correct
34 Correct 52 ms 384 KB Output is correct
35 Correct 51 ms 384 KB Output is correct
36 Correct 50 ms 384 KB Output is correct
37 Correct 198 ms 632 KB Output is correct
38 Correct 201 ms 632 KB Output is correct
39 Correct 323 ms 760 KB Output is correct
40 Correct 379 ms 760 KB Output is correct
41 Correct 371 ms 760 KB Output is correct
42 Correct 303 ms 760 KB Output is correct
43 Correct 285 ms 1048 KB Output is correct
44 Correct 290 ms 1016 KB Output is correct
45 Correct 307 ms 992 KB Output is correct
46 Correct 331 ms 632 KB Output is correct
47 Correct 281 ms 760 KB Output is correct
48 Correct 312 ms 888 KB Output is correct
49 Correct 291 ms 684 KB Output is correct
50 Correct 306 ms 760 KB Output is correct
51 Correct 4 ms 384 KB Output is correct
52 Correct 354 ms 1016 KB Output is correct
53 Correct 464 ms 888 KB Output is correct
54 Correct 587 ms 1028 KB Output is correct
55 Correct 583 ms 1480 KB Output is correct
56 Correct 437 ms 1144 KB Output is correct
57 Correct 635 ms 1524 KB Output is correct
58 Correct 594 ms 1044 KB Output is correct
59 Correct 605 ms 1268 KB Output is correct
60 Correct 4 ms 384 KB Output is correct
61 Correct 573 ms 1268 KB Output is correct
62 Correct 514 ms 1396 KB Output is correct
63 Correct 498 ms 1524 KB Output is correct
64 Correct 474 ms 1396 KB Output is correct
65 Correct 480 ms 512 KB Output is correct
66 Correct 484 ms 632 KB Output is correct
67 Correct 793 ms 1236 KB Output is correct
68 Correct 7 ms 384 KB Output is correct
69 Execution timed out 1098 ms 1152 KB Time limit exceeded
70 Halted 0 ms 0 KB -