oj.uz

Submission #211284

# Submission time Handle Problem Language Result Execution time Memory
211284 2020-03-20T01:38:00 Z nouvo25 Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 2376 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, tmp;
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)
        tmp = f, tmp <<= a[i], f |= tmp;
    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) tmp = f, tmp <<= a[j], f |= tmp;
        for (int j = 0; j + j <= s; ++j)
            if (f[j]) cnt[s - j - j] += f[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 4 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 4 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 7 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 7 ms 256 KB Output is correct
15 Correct 7 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 6 ms 384 KB Output is correct
19 Correct 7 ms 384 KB Output is correct
20 Correct 8 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 4 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 7 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 7 ms 256 KB Output is correct
15 Correct 7 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 6 ms 384 KB Output is correct
19 Correct 7 ms 384 KB Output is correct
20 Correct 8 ms 384 KB Output is correct
21 Correct 20 ms 384 KB Output is correct
22 Correct 26 ms 384 KB Output is correct
23 Correct 13 ms 384 KB Output is correct
24 Correct 38 ms 384 KB Output is correct
25 Correct 38 ms 480 KB Output is correct
26 Correct 43 ms 384 KB Output is correct
27 Correct 41 ms 384 KB Output is correct
28 Correct 43 ms 384 KB Output is correct
29 Correct 43 ms 384 KB Output is correct
30 Correct 41 ms 384 KB Output is correct
31 Correct 40 ms 428 KB Output is correct
32 Correct 41 ms 384 KB Output is correct
33 Correct 44 ms 384 KB Output is correct
34 Correct 42 ms 384 KB Output is correct
35 Correct 40 ms 384 KB Output is correct
36 Correct 42 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 4 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 7 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 7 ms 256 KB Output is correct
15 Correct 7 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 6 ms 384 KB Output is correct
19 Correct 7 ms 384 KB Output is correct
20 Correct 8 ms 384 KB Output is correct
21 Correct 20 ms 384 KB Output is correct
22 Correct 26 ms 384 KB Output is correct
23 Correct 13 ms 384 KB Output is correct
24 Correct 38 ms 384 KB Output is correct
25 Correct 38 ms 480 KB Output is correct
26 Correct 43 ms 384 KB Output is correct
27 Correct 41 ms 384 KB Output is correct
28 Correct 43 ms 384 KB Output is correct
29 Correct 43 ms 384 KB Output is correct
30 Correct 41 ms 384 KB Output is correct
31 Correct 40 ms 428 KB Output is correct
32 Correct 41 ms 384 KB Output is correct
33 Correct 44 ms 384 KB Output is correct
34 Correct 42 ms 384 KB Output is correct
35 Correct 40 ms 384 KB Output is correct
36 Correct 42 ms 384 KB Output is correct
37 Correct 155 ms 632 KB Output is correct
38 Correct 156 ms 632 KB Output is correct
39 Correct 250 ms 636 KB Output is correct
40 Correct 284 ms 760 KB Output is correct
41 Correct 297 ms 768 KB Output is correct
42 Correct 238 ms 632 KB Output is correct
43 Correct 249 ms 1016 KB Output is correct
44 Correct 250 ms 1016 KB Output is correct
45 Correct 243 ms 912 KB Output is correct
46 Correct 281 ms 632 KB Output is correct
47 Correct 244 ms 688 KB Output is correct
48 Correct 243 ms 888 KB Output is correct
49 Correct 250 ms 760 KB Output is correct
50 Correct 254 ms 760 KB Output is correct
51 Correct 4 ms 384 KB Output is correct
52 Correct 293 ms 1144 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 4 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 7 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 7 ms 256 KB Output is correct
15 Correct 7 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 6 ms 384 KB Output is correct
19 Correct 7 ms 384 KB Output is correct
20 Correct 8 ms 384 KB Output is correct
21 Correct 20 ms 384 KB Output is correct
22 Correct 26 ms 384 KB Output is correct
23 Correct 13 ms 384 KB Output is correct
24 Correct 38 ms 384 KB Output is correct
25 Correct 38 ms 480 KB Output is correct
26 Correct 43 ms 384 KB Output is correct
27 Correct 41 ms 384 KB Output is correct
28 Correct 43 ms 384 KB Output is correct
29 Correct 43 ms 384 KB Output is correct
30 Correct 41 ms 384 KB Output is correct
31 Correct 40 ms 428 KB Output is correct
32 Correct 41 ms 384 KB Output is correct
33 Correct 44 ms 384 KB Output is correct
34 Correct 42 ms 384 KB Output is correct
35 Correct 40 ms 384 KB Output is correct
36 Correct 42 ms 384 KB Output is correct
37 Correct 155 ms 632 KB Output is correct
38 Correct 156 ms 632 KB Output is correct
39 Correct 250 ms 636 KB Output is correct
40 Correct 284 ms 760 KB Output is correct
41 Correct 297 ms 768 KB Output is correct
42 Correct 238 ms 632 KB Output is correct
43 Correct 249 ms 1016 KB Output is correct
44 Correct 250 ms 1016 KB Output is correct
45 Correct 243 ms 912 KB Output is correct
46 Correct 281 ms 632 KB Output is correct
47 Correct 244 ms 688 KB Output is correct
48 Correct 243 ms 888 KB Output is correct
49 Correct 250 ms 760 KB Output is correct
50 Correct 254 ms 760 KB Output is correct
51 Correct 4 ms 384 KB Output is correct
52 Correct 293 ms 1144 KB Output is correct
53 Correct 361 ms 888 KB Output is correct
54 Correct 472 ms 996 KB Output is correct
55 Correct 488 ms 1396 KB Output is correct
56 Correct 375 ms 1016 KB Output is correct
57 Correct 487 ms 1524 KB Output is correct
58 Correct 464 ms 1016 KB Output is correct
59 Correct 482 ms 1140 KB Output is correct
60 Correct 5 ms 384 KB Output is correct
61 Correct 481 ms 1268 KB Output is correct
62 Correct 426 ms 1396 KB Output is correct
63 Correct 436 ms 1396 KB Output is correct
64 Correct 403 ms 1316 KB Output is correct
65 Correct 402 ms 512 KB Output is correct
66 Correct 383 ms 612 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 4 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 7 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 7 ms 256 KB Output is correct
15 Correct 7 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 6 ms 384 KB Output is correct
19 Correct 7 ms 384 KB Output is correct
20 Correct 8 ms 384 KB Output is correct
21 Correct 20 ms 384 KB Output is correct
22 Correct 26 ms 384 KB Output is correct
23 Correct 13 ms 384 KB Output is correct
24 Correct 38 ms 384 KB Output is correct
25 Correct 38 ms 480 KB Output is correct
26 Correct 43 ms 384 KB Output is correct
27 Correct 41 ms 384 KB Output is correct
28 Correct 43 ms 384 KB Output is correct
29 Correct 43 ms 384 KB Output is correct
30 Correct 41 ms 384 KB Output is correct
31 Correct 40 ms 428 KB Output is correct
32 Correct 41 ms 384 KB Output is correct
33 Correct 44 ms 384 KB Output is correct
34 Correct 42 ms 384 KB Output is correct
35 Correct 40 ms 384 KB Output is correct
36 Correct 42 ms 384 KB Output is correct
37 Correct 155 ms 632 KB Output is correct
38 Correct 156 ms 632 KB Output is correct
39 Correct 250 ms 636 KB Output is correct
40 Correct 284 ms 760 KB Output is correct
41 Correct 297 ms 768 KB Output is correct
42 Correct 238 ms 632 KB Output is correct
43 Correct 249 ms 1016 KB Output is correct
44 Correct 250 ms 1016 KB Output is correct
45 Correct 243 ms 912 KB Output is correct
46 Correct 281 ms 632 KB Output is correct
47 Correct 244 ms 688 KB Output is correct
48 Correct 243 ms 888 KB Output is correct
49 Correct 250 ms 760 KB Output is correct
50 Correct 254 ms 760 KB Output is correct
51 Correct 4 ms 384 KB Output is correct
52 Correct 293 ms 1144 KB Output is correct
53 Correct 361 ms 888 KB Output is correct
54 Correct 472 ms 996 KB Output is correct
55 Correct 488 ms 1396 KB Output is correct
56 Correct 375 ms 1016 KB Output is correct
57 Correct 487 ms 1524 KB Output is correct
58 Correct 464 ms 1016 KB Output is correct
59 Correct 482 ms 1140 KB Output is correct
60 Correct 5 ms 384 KB Output is correct
61 Correct 481 ms 1268 KB Output is correct
62 Correct 426 ms 1396 KB Output is correct
63 Correct 436 ms 1396 KB Output is correct
64 Correct 403 ms 1316 KB Output is correct
65 Correct 402 ms 512 KB Output is correct
66 Correct 383 ms 612 KB Output is correct
67 Correct 646 ms 1268 KB Output is correct
68 Correct 7 ms 384 KB Output is correct
69 Execution timed out 1072 ms 2376 KB Time limit exceeded
70 Halted 0 ms 0 KB -