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Submission #35287

# Submission time Handle Problem Language Result Execution time Memory
35287 2017-11-19T16:05:30 Z dqhungdl Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 5800 KB 
#include <bits/stdc++.h>
using namespace std;

const int mod1=1e9+7,mod2=1e9+7;
int n,sum,a[505],C[250005],f1[250005],f2[250005];
vector<int> rs;

bool Special()
{
    if(sum%2==1)
        return false;
    f1[0]=1;
    //f2[0]=1;
    for(int i=1;i<=n;i++)
        for(int j=sum;j>=a[i];j--)
        {
            f1[j]=(f1[j]+f1[j-a[i]])%mod1;
            //f2[j]=(f2[j]+f2[j-a[i]])%mod2;
        }
    return (f1[sum/2]>0);//||f2[sum/2]>0);
}

void Check(int pos)
{
    for(int i=a[pos];i<=sum;i++)
    {
        f1[i]=(f1[i]-f1[i-a[pos]]+mod1)%mod1;
        //f2[i]=(f2[i]-f2[i-a[pos]]+mod2)%mod2;
    }
    for(int i=0;i<(sum-a[pos]+1)/2;i++)
        if(f1[i]>0||f2[i]>0)
            C[sum-a[pos]-2*i]++;
    for(int i=sum;i>=a[pos];i--)
    {
        f1[i]=(f1[i]+f1[i-a[pos]])%mod1;
        //f2[i]=(f2[i]+f2[i-a[pos]])%mod2;
    }
}

int main()
{
    //freopen("TEST.INP","r",stdin);
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        cin>>a[i];
        sum+=a[i];
    }
    if(Special()==false)
    {
        cout<<0;
        return 0;
    }
    for(int i=1;i<=n;i++)
        Check(i);
    for(int i=1;i<=sum;i++)
        if(C[i]==n)
            rs.push_back(i);
    cout<<rs.size()<<"\n";
    for(int i=0;i<rs.size();i++)
        cout<<rs[i]<<' ';
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:60:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<rs.size();i++)
                  ^

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4948 KB Output is correct
2 Correct 0 ms 4948 KB Output is correct
3 Correct 0 ms 4948 KB Output is correct
4 Correct 0 ms 4948 KB Output is correct
5 Correct 0 ms 4948 KB Output is correct
6 Correct 0 ms 4948 KB Output is correct
7 Correct 0 ms 4948 KB Output is correct
8 Correct 0 ms 4948 KB Output is correct
9 Correct 0 ms 4948 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4948 KB Output is correct
2 Correct 0 ms 4948 KB Output is correct
3 Correct 0 ms 4948 KB Output is correct
4 Correct 0 ms 4948 KB Output is correct
5 Correct 0 ms 4948 KB Output is correct
6 Correct 0 ms 4948 KB Output is correct
7 Correct 0 ms 4948 KB Output is correct
8 Correct 0 ms 4948 KB Output is correct
9 Correct 0 ms 4948 KB Output is correct
10 Correct 0 ms 4948 KB Output is correct
11 Correct 0 ms 4948 KB Output is correct
12 Correct 0 ms 4948 KB Output is correct
13 Correct 0 ms 4948 KB Output is correct
14 Correct 0 ms 4948 KB Output is correct
15 Correct 0 ms 4948 KB Output is correct
16 Correct 0 ms 4948 KB Output is correct
17 Correct 0 ms 4948 KB Output is correct
18 Correct 0 ms 4948 KB Output is correct
19 Correct 0 ms 4948 KB Output is correct
20 Correct 0 ms 4948 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4948 KB Output is correct
2 Correct 0 ms 4948 KB Output is correct
3 Correct 0 ms 4948 KB Output is correct
4 Correct 0 ms 4948 KB Output is correct
5 Correct 0 ms 4948 KB Output is correct
6 Correct 0 ms 4948 KB Output is correct
7 Correct 0 ms 4948 KB Output is correct
8 Correct 0 ms 4948 KB Output is correct
9 Correct 0 ms 4948 KB Output is correct
10 Correct 0 ms 4948 KB Output is correct
11 Correct 0 ms 4948 KB Output is correct
12 Correct 0 ms 4948 KB Output is correct
13 Correct 0 ms 4948 KB Output is correct
14 Correct 0 ms 4948 KB Output is correct
15 Correct 0 ms 4948 KB Output is correct
16 Correct 0 ms 4948 KB Output is correct
17 Correct 0 ms 4948 KB Output is correct
18 Correct 0 ms 4948 KB Output is correct
19 Correct 0 ms 4948 KB Output is correct
20 Correct 0 ms 4948 KB Output is correct
21 Correct 0 ms 4948 KB Output is correct
22 Correct 0 ms 4948 KB Output is correct
23 Correct 0 ms 4948 KB Output is correct
24 Correct 3 ms 4948 KB Output is correct
25 Correct 6 ms 4948 KB Output is correct
26 Correct 6 ms 4948 KB Output is correct
27 Correct 9 ms 4948 KB Output is correct
28 Correct 9 ms 4948 KB Output is correct
29 Correct 6 ms 4948 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 6 ms 4948 KB Output is correct
32 Correct 3 ms 4948 KB Output is correct
33 Correct 9 ms 4948 KB Output is correct
34 Correct 6 ms 4948 KB Output is correct
35 Correct 6 ms 4948 KB Output is correct
36 Correct 3 ms 4948 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4948 KB Output is correct
2 Correct 0 ms 4948 KB Output is correct
3 Correct 0 ms 4948 KB Output is correct
4 Correct 0 ms 4948 KB Output is correct
5 Correct 0 ms 4948 KB Output is correct
6 Correct 0 ms 4948 KB Output is correct
7 Correct 0 ms 4948 KB Output is correct
8 Correct 0 ms 4948 KB Output is correct
9 Correct 0 ms 4948 KB Output is correct
10 Correct 0 ms 4948 KB Output is correct
11 Correct 0 ms 4948 KB Output is correct
12 Correct 0 ms 4948 KB Output is correct
13 Correct 0 ms 4948 KB Output is correct
14 Correct 0 ms 4948 KB Output is correct
15 Correct 0 ms 4948 KB Output is correct
16 Correct 0 ms 4948 KB Output is correct
17 Correct 0 ms 4948 KB Output is correct
18 Correct 0 ms 4948 KB Output is correct
19 Correct 0 ms 4948 KB Output is correct
20 Correct 0 ms 4948 KB Output is correct
21 Correct 0 ms 4948 KB Output is correct
22 Correct 0 ms 4948 KB Output is correct
23 Correct 0 ms 4948 KB Output is correct
24 Correct 3 ms 4948 KB Output is correct
25 Correct 6 ms 4948 KB Output is correct
26 Correct 6 ms 4948 KB Output is correct
27 Correct 9 ms 4948 KB Output is correct
28 Correct 9 ms 4948 KB Output is correct
29 Correct 6 ms 4948 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 6 ms 4948 KB Output is correct
32 Correct 3 ms 4948 KB Output is correct
33 Correct 9 ms 4948 KB Output is correct
34 Correct 6 ms 4948 KB Output is correct
35 Correct 6 ms 4948 KB Output is correct
36 Correct 3 ms 4948 KB Output is correct
37 Correct 36 ms 5088 KB Output is correct
38 Correct 33 ms 5088 KB Output is correct
39 Correct 133 ms 4948 KB Output is correct
40 Correct 79 ms 5088 KB Output is correct
41 Correct 166 ms 4948 KB Output is correct
42 Correct 69 ms 5088 KB Output is correct
43 Correct 119 ms 5220 KB Output is correct
44 Correct 126 ms 5220 KB Output is correct
45 Correct 123 ms 5220 KB Output is correct
46 Correct 69 ms 4948 KB Output is correct
47 Correct 69 ms 5088 KB Output is correct
48 Correct 146 ms 5220 KB Output is correct
49 Correct 133 ms 5088 KB Output is correct
50 Correct 69 ms 5088 KB Output is correct
51 Correct 0 ms 4948 KB Output is correct
52 Correct 173 ms 5220 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4948 KB Output is correct
2 Correct 0 ms 4948 KB Output is correct
3 Correct 0 ms 4948 KB Output is correct
4 Correct 0 ms 4948 KB Output is correct
5 Correct 0 ms 4948 KB Output is correct
6 Correct 0 ms 4948 KB Output is correct
7 Correct 0 ms 4948 KB Output is correct
8 Correct 0 ms 4948 KB Output is correct
9 Correct 0 ms 4948 KB Output is correct
10 Correct 0 ms 4948 KB Output is correct
11 Correct 0 ms 4948 KB Output is correct
12 Correct 0 ms 4948 KB Output is correct
13 Correct 0 ms 4948 KB Output is correct
14 Correct 0 ms 4948 KB Output is correct
15 Correct 0 ms 4948 KB Output is correct
16 Correct 0 ms 4948 KB Output is correct
17 Correct 0 ms 4948 KB Output is correct
18 Correct 0 ms 4948 KB Output is correct
19 Correct 0 ms 4948 KB Output is correct
20 Correct 0 ms 4948 KB Output is correct
21 Correct 0 ms 4948 KB Output is correct
22 Correct 0 ms 4948 KB Output is correct
23 Correct 0 ms 4948 KB Output is correct
24 Correct 3 ms 4948 KB Output is correct
25 Correct 6 ms 4948 KB Output is correct
26 Correct 6 ms 4948 KB Output is correct
27 Correct 9 ms 4948 KB Output is correct
28 Correct 9 ms 4948 KB Output is correct
29 Correct 6 ms 4948 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 6 ms 4948 KB Output is correct
32 Correct 3 ms 4948 KB Output is correct
33 Correct 9 ms 4948 KB Output is correct
34 Correct 6 ms 4948 KB Output is correct
35 Correct 6 ms 4948 KB Output is correct
36 Correct 3 ms 4948 KB Output is correct
37 Correct 36 ms 5088 KB Output is correct
38 Correct 33 ms 5088 KB Output is correct
39 Correct 133 ms 4948 KB Output is correct
40 Correct 79 ms 5088 KB Output is correct
41 Correct 166 ms 4948 KB Output is correct
42 Correct 69 ms 5088 KB Output is correct
43 Correct 119 ms 5220 KB Output is correct
44 Correct 126 ms 5220 KB Output is correct
45 Correct 123 ms 5220 KB Output is correct
46 Correct 69 ms 4948 KB Output is correct
47 Correct 69 ms 5088 KB Output is correct
48 Correct 146 ms 5220 KB Output is correct
49 Correct 133 ms 5088 KB Output is correct
50 Correct 69 ms 5088 KB Output is correct
51 Correct 0 ms 4948 KB Output is correct
52 Correct 173 ms 5220 KB Output is correct
53 Correct 116 ms 5220 KB Output is correct
54 Correct 169 ms 5220 KB Output is correct
55 Correct 359 ms 5416 KB Output is correct
56 Correct 146 ms 5220 KB Output is correct
57 Correct 369 ms 5416 KB Output is correct
58 Correct 203 ms 5220 KB Output is correct
59 Correct 259 ms 5416 KB Output is correct
60 Correct 0 ms 4948 KB Output is correct
61 Correct 253 ms 5416 KB Output is correct
62 Correct 279 ms 5416 KB Output is correct
63 Correct 286 ms 5416 KB Output is correct
64 Correct 293 ms 5416 KB Output is correct
65 Correct 129 ms 4948 KB Output is correct
66 Correct 133 ms 5088 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4948 KB Output is correct
2 Correct 0 ms 4948 KB Output is correct
3 Correct 0 ms 4948 KB Output is correct
4 Correct 0 ms 4948 KB Output is correct
5 Correct 0 ms 4948 KB Output is correct
6 Correct 0 ms 4948 KB Output is correct
7 Correct 0 ms 4948 KB Output is correct
8 Correct 0 ms 4948 KB Output is correct
9 Correct 0 ms 4948 KB Output is correct
10 Correct 0 ms 4948 KB Output is correct
11 Correct 0 ms 4948 KB Output is correct
12 Correct 0 ms 4948 KB Output is correct
13 Correct 0 ms 4948 KB Output is correct
14 Correct 0 ms 4948 KB Output is correct
15 Correct 0 ms 4948 KB Output is correct
16 Correct 0 ms 4948 KB Output is correct
17 Correct 0 ms 4948 KB Output is correct
18 Correct 0 ms 4948 KB Output is correct
19 Correct 0 ms 4948 KB Output is correct
20 Correct 0 ms 4948 KB Output is correct
21 Correct 0 ms 4948 KB Output is correct
22 Correct 0 ms 4948 KB Output is correct
23 Correct 0 ms 4948 KB Output is correct
24 Correct 3 ms 4948 KB Output is correct
25 Correct 6 ms 4948 KB Output is correct
26 Correct 6 ms 4948 KB Output is correct
27 Correct 9 ms 4948 KB Output is correct
28 Correct 9 ms 4948 KB Output is correct
29 Correct 6 ms 4948 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 6 ms 4948 KB Output is correct
32 Correct 3 ms 4948 KB Output is correct
33 Correct 9 ms 4948 KB Output is correct
34 Correct 6 ms 4948 KB Output is correct
35 Correct 6 ms 4948 KB Output is correct
36 Correct 3 ms 4948 KB Output is correct
37 Correct 36 ms 5088 KB Output is correct
38 Correct 33 ms 5088 KB Output is correct
39 Correct 133 ms 4948 KB Output is correct
40 Correct 79 ms 5088 KB Output is correct
41 Correct 166 ms 4948 KB Output is correct
42 Correct 69 ms 5088 KB Output is correct
43 Correct 119 ms 5220 KB Output is correct
44 Correct 126 ms 5220 KB Output is correct
45 Correct 123 ms 5220 KB Output is correct
46 Correct 69 ms 4948 KB Output is correct
47 Correct 69 ms 5088 KB Output is correct
48 Correct 146 ms 5220 KB Output is correct
49 Correct 133 ms 5088 KB Output is correct
50 Correct 69 ms 5088 KB Output is correct
51 Correct 0 ms 4948 KB Output is correct
52 Correct 173 ms 5220 KB Output is correct
53 Correct 116 ms 5220 KB Output is correct
54 Correct 169 ms 5220 KB Output is correct
55 Correct 359 ms 5416 KB Output is correct
56 Correct 146 ms 5220 KB Output is correct
57 Correct 369 ms 5416 KB Output is correct
58 Correct 203 ms 5220 KB Output is correct
59 Correct 259 ms 5416 KB Output is correct
60 Correct 0 ms 4948 KB Output is correct
61 Correct 253 ms 5416 KB Output is correct
62 Correct 279 ms 5416 KB Output is correct
63 Correct 286 ms 5416 KB Output is correct
64 Correct 293 ms 5416 KB Output is correct
65 Correct 129 ms 4948 KB Output is correct
66 Correct 133 ms 5088 KB Output is correct
67 Correct 299 ms 5416 KB Output is correct
68 Correct 169 ms 4948 KB Output is correct
69 Correct 943 ms 5800 KB Output is correct
70 Correct 626 ms 5416 KB Output is correct
71 Correct 609 ms 5416 KB Output is correct
72 Correct 603 ms 4948 KB Output is correct
73 Correct 586 ms 4948 KB Output is correct
74 Execution timed out 1000 ms 5800 KB Execution timed out
75 Halted 0 ms 0 KB -