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답안 #211285

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
211285 2020-03-20T01:40:38 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] += 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

# 결과 실행 시간 메모리 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 5 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

# 결과 실행 시간 메모리 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 5 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 9 ms 384 KB Output is correct
11 Correct 8 ms 384 KB Output is correct
12 Correct 9 ms 384 KB Output is correct
13 Correct 8 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 7 ms 384 KB Output is correct
20 Correct 8 ms 384 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 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 5 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 9 ms 384 KB Output is correct
11 Correct 8 ms 384 KB Output is correct
12 Correct 9 ms 384 KB Output is correct
13 Correct 8 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 7 ms 384 KB Output is correct
20 Correct 8 ms 384 KB Output is correct
21 Correct 25 ms 512 KB Output is correct
22 Correct 30 ms 384 KB Output is correct
23 Correct 16 ms 384 KB Output is correct
24 Correct 45 ms 384 KB Output is correct
25 Correct 45 ms 384 KB Output is correct
26 Correct 52 ms 504 KB Output is correct
27 Correct 50 ms 384 KB Output is correct
28 Correct 49 ms 384 KB Output is correct
29 Correct 50 ms 384 KB Output is correct
30 Correct 47 ms 384 KB Output is correct
31 Correct 50 ms 384 KB Output is correct
32 Correct 50 ms 384 KB Output is correct
33 Correct 55 ms 384 KB Output is correct
34 Correct 51 ms 384 KB Output is correct
35 Correct 49 ms 500 KB Output is correct
36 Correct 50 ms 384 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 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 5 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 9 ms 384 KB Output is correct
11 Correct 8 ms 384 KB Output is correct
12 Correct 9 ms 384 KB Output is correct
13 Correct 8 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 7 ms 384 KB Output is correct
20 Correct 8 ms 384 KB Output is correct
21 Correct 25 ms 512 KB Output is correct
22 Correct 30 ms 384 KB Output is correct
23 Correct 16 ms 384 KB Output is correct
24 Correct 45 ms 384 KB Output is correct
25 Correct 45 ms 384 KB Output is correct
26 Correct 52 ms 504 KB Output is correct
27 Correct 50 ms 384 KB Output is correct
28 Correct 49 ms 384 KB Output is correct
29 Correct 50 ms 384 KB Output is correct
30 Correct 47 ms 384 KB Output is correct
31 Correct 50 ms 384 KB Output is correct
32 Correct 50 ms 384 KB Output is correct
33 Correct 55 ms 384 KB Output is correct
34 Correct 51 ms 384 KB Output is correct
35 Correct 49 ms 500 KB Output is correct
36 Correct 50 ms 384 KB Output is correct
37 Correct 191 ms 632 KB Output is correct
38 Correct 181 ms 632 KB Output is correct
39 Correct 302 ms 760 KB Output is correct
40 Correct 334 ms 760 KB Output is correct
41 Correct 390 ms 736 KB Output is correct
42 Correct 294 ms 632 KB Output is correct
43 Correct 299 ms 1016 KB Output is correct
44 Correct 302 ms 1016 KB Output is correct
45 Correct 291 ms 1020 KB Output is correct
46 Correct 356 ms 536 KB Output is correct
47 Correct 293 ms 668 KB Output is correct
48 Correct 314 ms 1016 KB Output is correct
49 Correct 309 ms 688 KB Output is correct
50 Correct 306 ms 760 KB Output is correct
51 Correct 4 ms 384 KB Output is correct
52 Correct 388 ms 1016 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 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 5 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 9 ms 384 KB Output is correct
11 Correct 8 ms 384 KB Output is correct
12 Correct 9 ms 384 KB Output is correct
13 Correct 8 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 7 ms 384 KB Output is correct
20 Correct 8 ms 384 KB Output is correct
21 Correct 25 ms 512 KB Output is correct
22 Correct 30 ms 384 KB Output is correct
23 Correct 16 ms 384 KB Output is correct
24 Correct 45 ms 384 KB Output is correct
25 Correct 45 ms 384 KB Output is correct
26 Correct 52 ms 504 KB Output is correct
27 Correct 50 ms 384 KB Output is correct
28 Correct 49 ms 384 KB Output is correct
29 Correct 50 ms 384 KB Output is correct
30 Correct 47 ms 384 KB Output is correct
31 Correct 50 ms 384 KB Output is correct
32 Correct 50 ms 384 KB Output is correct
33 Correct 55 ms 384 KB Output is correct
34 Correct 51 ms 384 KB Output is correct
35 Correct 49 ms 500 KB Output is correct
36 Correct 50 ms 384 KB Output is correct
37 Correct 191 ms 632 KB Output is correct
38 Correct 181 ms 632 KB Output is correct
39 Correct 302 ms 760 KB Output is correct
40 Correct 334 ms 760 KB Output is correct
41 Correct 390 ms 736 KB Output is correct
42 Correct 294 ms 632 KB Output is correct
43 Correct 299 ms 1016 KB Output is correct
44 Correct 302 ms 1016 KB Output is correct
45 Correct 291 ms 1020 KB Output is correct
46 Correct 356 ms 536 KB Output is correct
47 Correct 293 ms 668 KB Output is correct
48 Correct 314 ms 1016 KB Output is correct
49 Correct 309 ms 688 KB Output is correct
50 Correct 306 ms 760 KB Output is correct
51 Correct 4 ms 384 KB Output is correct
52 Correct 388 ms 1016 KB Output is correct
53 Correct 437 ms 844 KB Output is correct
54 Correct 568 ms 992 KB Output is correct
55 Correct 623 ms 1524 KB Output is correct
56 Correct 452 ms 1020 KB Output is correct
57 Correct 634 ms 1524 KB Output is correct
58 Correct 581 ms 1144 KB Output is correct
59 Correct 606 ms 1268 KB Output is correct
60 Correct 4 ms 384 KB Output is correct
61 Correct 581 ms 1256 KB Output is correct
62 Correct 490 ms 1268 KB Output is correct
63 Correct 504 ms 1524 KB Output is correct
64 Correct 490 ms 1396 KB Output is correct
65 Correct 484 ms 512 KB Output is correct
66 Correct 448 ms 632 KB Output is correct

Subtask #6
0 / 35.0

# 결과 실행 시간 메모리 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 5 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 9 ms 384 KB Output is correct
11 Correct 8 ms 384 KB Output is correct
12 Correct 9 ms 384 KB Output is correct
13 Correct 8 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 7 ms 384 KB Output is correct
20 Correct 8 ms 384 KB Output is correct
21 Correct 25 ms 512 KB Output is correct
22 Correct 30 ms 384 KB Output is correct
23 Correct 16 ms 384 KB Output is correct
24 Correct 45 ms 384 KB Output is correct
25 Correct 45 ms 384 KB Output is correct
26 Correct 52 ms 504 KB Output is correct
27 Correct 50 ms 384 KB Output is correct
28 Correct 49 ms 384 KB Output is correct
29 Correct 50 ms 384 KB Output is correct
30 Correct 47 ms 384 KB Output is correct
31 Correct 50 ms 384 KB Output is correct
32 Correct 50 ms 384 KB Output is correct
33 Correct 55 ms 384 KB Output is correct
34 Correct 51 ms 384 KB Output is correct
35 Correct 49 ms 500 KB Output is correct
36 Correct 50 ms 384 KB Output is correct
37 Correct 191 ms 632 KB Output is correct
38 Correct 181 ms 632 KB Output is correct
39 Correct 302 ms 760 KB Output is correct
40 Correct 334 ms 760 KB Output is correct
41 Correct 390 ms 736 KB Output is correct
42 Correct 294 ms 632 KB Output is correct
43 Correct 299 ms 1016 KB Output is correct
44 Correct 302 ms 1016 KB Output is correct
45 Correct 291 ms 1020 KB Output is correct
46 Correct 356 ms 536 KB Output is correct
47 Correct 293 ms 668 KB Output is correct
48 Correct 314 ms 1016 KB Output is correct
49 Correct 309 ms 688 KB Output is correct
50 Correct 306 ms 760 KB Output is correct
51 Correct 4 ms 384 KB Output is correct
52 Correct 388 ms 1016 KB Output is correct
53 Correct 437 ms 844 KB Output is correct
54 Correct 568 ms 992 KB Output is correct
55 Correct 623 ms 1524 KB Output is correct
56 Correct 452 ms 1020 KB Output is correct
57 Correct 634 ms 1524 KB Output is correct
58 Correct 581 ms 1144 KB Output is correct
59 Correct 606 ms 1268 KB Output is correct
60 Correct 4 ms 384 KB Output is correct
61 Correct 581 ms 1256 KB Output is correct
62 Correct 490 ms 1268 KB Output is correct
63 Correct 504 ms 1524 KB Output is correct
64 Correct 490 ms 1396 KB Output is correct
65 Correct 484 ms 512 KB Output is correct
66 Correct 448 ms 632 KB Output is correct
67 Correct 768 ms 1268 KB Output is correct
68 Correct 6 ms 384 KB Output is correct
69 Execution timed out 1091 ms 1152 KB Time limit exceeded
70 Halted 0 ms 0 KB -