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답안 #211290

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
211290 2020-03-20T01:45:37 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)
    {
        int t = s - a[i];
        for (int j = 1; j + j <= t; ++j) f[j] = 0;
        for (int j = 1; j <= n; ++j)
            if (j != i) f |= (f << a[j]);
        for (int j = 0; j + j <= t; ++j)
            cnt[t - j - j] += f[j];
    }

    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:35:29: 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 5 ms 384 KB Output is correct
3 Correct 4 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 5 ms 384 KB Output is correct
3 Correct 4 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 9 ms 384 KB Output is correct
12 Correct 8 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 12 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 9 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 5 ms 384 KB Output is correct
3 Correct 4 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 9 ms 384 KB Output is correct
12 Correct 8 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 12 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 9 ms 384 KB Output is correct
21 Correct 39 ms 384 KB Output is correct
22 Correct 29 ms 384 KB Output is correct
23 Correct 20 ms 384 KB Output is correct
24 Correct 44 ms 440 KB Output is correct
25 Correct 69 ms 384 KB Output is correct
26 Correct 58 ms 508 KB Output is correct
27 Correct 52 ms 504 KB Output is correct
28 Correct 49 ms 384 KB Output is correct
29 Correct 52 ms 384 KB Output is correct
30 Correct 54 ms 384 KB Output is correct
31 Correct 52 ms 444 KB Output is correct
32 Correct 50 ms 384 KB Output is correct
33 Correct 56 ms 384 KB Output is correct
34 Correct 53 ms 384 KB Output is correct
35 Correct 49 ms 384 KB Output is correct
36 Correct 52 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 5 ms 384 KB Output is correct
3 Correct 4 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 9 ms 384 KB Output is correct
12 Correct 8 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 12 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 9 ms 384 KB Output is correct
21 Correct 39 ms 384 KB Output is correct
22 Correct 29 ms 384 KB Output is correct
23 Correct 20 ms 384 KB Output is correct
24 Correct 44 ms 440 KB Output is correct
25 Correct 69 ms 384 KB Output is correct
26 Correct 58 ms 508 KB Output is correct
27 Correct 52 ms 504 KB Output is correct
28 Correct 49 ms 384 KB Output is correct
29 Correct 52 ms 384 KB Output is correct
30 Correct 54 ms 384 KB Output is correct
31 Correct 52 ms 444 KB Output is correct
32 Correct 50 ms 384 KB Output is correct
33 Correct 56 ms 384 KB Output is correct
34 Correct 53 ms 384 KB Output is correct
35 Correct 49 ms 384 KB Output is correct
36 Correct 52 ms 384 KB Output is correct
37 Correct 191 ms 632 KB Output is correct
38 Correct 186 ms 632 KB Output is correct
39 Correct 310 ms 640 KB Output is correct
40 Correct 367 ms 760 KB Output is correct
41 Correct 382 ms 640 KB Output is correct
42 Correct 326 ms 632 KB Output is correct
43 Correct 285 ms 1016 KB Output is correct
44 Correct 317 ms 1144 KB Output is correct
45 Correct 300 ms 1016 KB Output is correct
46 Correct 351 ms 632 KB Output is correct
47 Correct 318 ms 760 KB Output is correct
48 Correct 318 ms 908 KB Output is correct
49 Correct 324 ms 640 KB Output is correct
50 Correct 319 ms 632 KB Output is correct
51 Correct 4 ms 384 KB Output is correct
52 Correct 386 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 5 ms 384 KB Output is correct
3 Correct 4 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 9 ms 384 KB Output is correct
12 Correct 8 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 12 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 9 ms 384 KB Output is correct
21 Correct 39 ms 384 KB Output is correct
22 Correct 29 ms 384 KB Output is correct
23 Correct 20 ms 384 KB Output is correct
24 Correct 44 ms 440 KB Output is correct
25 Correct 69 ms 384 KB Output is correct
26 Correct 58 ms 508 KB Output is correct
27 Correct 52 ms 504 KB Output is correct
28 Correct 49 ms 384 KB Output is correct
29 Correct 52 ms 384 KB Output is correct
30 Correct 54 ms 384 KB Output is correct
31 Correct 52 ms 444 KB Output is correct
32 Correct 50 ms 384 KB Output is correct
33 Correct 56 ms 384 KB Output is correct
34 Correct 53 ms 384 KB Output is correct
35 Correct 49 ms 384 KB Output is correct
36 Correct 52 ms 384 KB Output is correct
37 Correct 191 ms 632 KB Output is correct
38 Correct 186 ms 632 KB Output is correct
39 Correct 310 ms 640 KB Output is correct
40 Correct 367 ms 760 KB Output is correct
41 Correct 382 ms 640 KB Output is correct
42 Correct 326 ms 632 KB Output is correct
43 Correct 285 ms 1016 KB Output is correct
44 Correct 317 ms 1144 KB Output is correct
45 Correct 300 ms 1016 KB Output is correct
46 Correct 351 ms 632 KB Output is correct
47 Correct 318 ms 760 KB Output is correct
48 Correct 318 ms 908 KB Output is correct
49 Correct 324 ms 640 KB Output is correct
50 Correct 319 ms 632 KB Output is correct
51 Correct 4 ms 384 KB Output is correct
52 Correct 386 ms 1016 KB Output is correct
53 Correct 452 ms 888 KB Output is correct
54 Correct 619 ms 1020 KB Output is correct
55 Correct 647 ms 1524 KB Output is correct
56 Correct 475 ms 1144 KB Output is correct
57 Correct 664 ms 1508 KB Output is correct
58 Correct 628 ms 1016 KB Output is correct
59 Correct 572 ms 1140 KB Output is correct
60 Correct 4 ms 384 KB Output is correct
61 Correct 605 ms 1268 KB Output is correct
62 Correct 556 ms 1396 KB Output is correct
63 Correct 501 ms 1444 KB Output is correct
64 Correct 535 ms 1396 KB Output is correct
65 Correct 504 ms 512 KB Output is correct
66 Correct 453 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 5 ms 384 KB Output is correct
3 Correct 4 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 9 ms 384 KB Output is correct
12 Correct 8 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 12 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 9 ms 384 KB Output is correct
21 Correct 39 ms 384 KB Output is correct
22 Correct 29 ms 384 KB Output is correct
23 Correct 20 ms 384 KB Output is correct
24 Correct 44 ms 440 KB Output is correct
25 Correct 69 ms 384 KB Output is correct
26 Correct 58 ms 508 KB Output is correct
27 Correct 52 ms 504 KB Output is correct
28 Correct 49 ms 384 KB Output is correct
29 Correct 52 ms 384 KB Output is correct
30 Correct 54 ms 384 KB Output is correct
31 Correct 52 ms 444 KB Output is correct
32 Correct 50 ms 384 KB Output is correct
33 Correct 56 ms 384 KB Output is correct
34 Correct 53 ms 384 KB Output is correct
35 Correct 49 ms 384 KB Output is correct
36 Correct 52 ms 384 KB Output is correct
37 Correct 191 ms 632 KB Output is correct
38 Correct 186 ms 632 KB Output is correct
39 Correct 310 ms 640 KB Output is correct
40 Correct 367 ms 760 KB Output is correct
41 Correct 382 ms 640 KB Output is correct
42 Correct 326 ms 632 KB Output is correct
43 Correct 285 ms 1016 KB Output is correct
44 Correct 317 ms 1144 KB Output is correct
45 Correct 300 ms 1016 KB Output is correct
46 Correct 351 ms 632 KB Output is correct
47 Correct 318 ms 760 KB Output is correct
48 Correct 318 ms 908 KB Output is correct
49 Correct 324 ms 640 KB Output is correct
50 Correct 319 ms 632 KB Output is correct
51 Correct 4 ms 384 KB Output is correct
52 Correct 386 ms 1016 KB Output is correct
53 Correct 452 ms 888 KB Output is correct
54 Correct 619 ms 1020 KB Output is correct
55 Correct 647 ms 1524 KB Output is correct
56 Correct 475 ms 1144 KB Output is correct
57 Correct 664 ms 1508 KB Output is correct
58 Correct 628 ms 1016 KB Output is correct
59 Correct 572 ms 1140 KB Output is correct
60 Correct 4 ms 384 KB Output is correct
61 Correct 605 ms 1268 KB Output is correct
62 Correct 556 ms 1396 KB Output is correct
63 Correct 501 ms 1444 KB Output is correct
64 Correct 535 ms 1396 KB Output is correct
65 Correct 504 ms 512 KB Output is correct
66 Correct 453 ms 632 KB Output is correct
67 Correct 797 ms 1268 KB Output is correct
68 Correct 7 ms 384 KB Output is correct
69 Execution timed out 1093 ms 1152 KB Time limit exceeded
70 Halted 0 ms 0 KB -