oj.uz

Submission #35185

# Submission time Handle Problem Language Result Execution time Memory
35185 2017-11-18T15:58:21 Z dqhungdl Bootfall (IZhO17_bootfall) C++14
13 / 100
 53 ms 3396 KB 
#include <bits/stdc++.h>
using namespace std;

int n,sum,a[505],C[250005];
bool f[250005];
vector<int> rs;

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

void Check(int pos)
{
    for(int i=1;i<=sum-a[pos];i++)
        f[i]=false;
    for(int i=1;i<=n;i++)
        if(i!=pos)
            for(int j=sum-a[pos];j>=a[i];j--)
                f[j]|=f[j-a[i]];
    for(int i=0;i<(sum-a[pos]+1)/2;i++)
        if(f[i]==true)
            C[sum-a[pos]-2*i]++;
}

int main()
{
    ios_base::sync_with_stdio(false);
    //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:53:18: 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 3396 KB Output is correct
2 Correct 0 ms 3396 KB Output is correct
3 Correct 0 ms 3396 KB Output is correct
4 Correct 0 ms 3396 KB Output is correct
5 Correct 0 ms 3396 KB Output is correct
6 Correct 0 ms 3396 KB Output is correct
7 Correct 0 ms 3396 KB Output is correct
8 Correct 0 ms 3396 KB Output is correct
9 Correct 0 ms 3396 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3396 KB Output is correct
2 Correct 0 ms 3396 KB Output is correct
3 Correct 0 ms 3396 KB Output is correct
4 Correct 0 ms 3396 KB Output is correct
5 Correct 0 ms 3396 KB Output is correct
6 Correct 0 ms 3396 KB Output is correct
7 Correct 0 ms 3396 KB Output is correct
8 Correct 0 ms 3396 KB Output is correct
9 Correct 0 ms 3396 KB Output is correct
10 Correct 0 ms 3396 KB Output is correct
11 Correct 0 ms 3396 KB Output is correct
12 Correct 0 ms 3396 KB Output is correct
13 Correct 0 ms 3396 KB Output is correct
14 Correct 0 ms 3396 KB Output is correct
15 Correct 0 ms 3396 KB Output is correct
16 Correct 0 ms 3396 KB Output is correct
17 Correct 0 ms 3396 KB Output is correct
18 Correct 0 ms 3396 KB Output is correct
19 Correct 0 ms 3396 KB Output is correct
20 Correct 0 ms 3396 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3396 KB Output is correct
2 Correct 0 ms 3396 KB Output is correct
3 Correct 0 ms 3396 KB Output is correct
4 Correct 0 ms 3396 KB Output is correct
5 Correct 0 ms 3396 KB Output is correct
6 Correct 0 ms 3396 KB Output is correct
7 Correct 0 ms 3396 KB Output is correct
8 Correct 0 ms 3396 KB Output is correct
9 Correct 0 ms 3396 KB Output is correct
10 Correct 0 ms 3396 KB Output is correct
11 Correct 0 ms 3396 KB Output is correct
12 Correct 0 ms 3396 KB Output is correct
13 Correct 0 ms 3396 KB Output is correct
14 Correct 0 ms 3396 KB Output is correct
15 Correct 0 ms 3396 KB Output is correct
16 Correct 0 ms 3396 KB Output is correct
17 Correct 0 ms 3396 KB Output is correct
18 Correct 0 ms 3396 KB Output is correct
19 Correct 0 ms 3396 KB Output is correct
20 Correct 0 ms 3396 KB Output is correct
21 Correct 13 ms 3396 KB Output is correct
22 Correct 19 ms 3396 KB Output is correct
23 Correct 6 ms 3396 KB Output is correct
24 Runtime error 53 ms 3396 KB Execution killed because of forbidden syscall writev (20)
25 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3396 KB Output is correct
2 Correct 0 ms 3396 KB Output is correct
3 Correct 0 ms 3396 KB Output is correct
4 Correct 0 ms 3396 KB Output is correct
5 Correct 0 ms 3396 KB Output is correct
6 Correct 0 ms 3396 KB Output is correct
7 Correct 0 ms 3396 KB Output is correct
8 Correct 0 ms 3396 KB Output is correct
9 Correct 0 ms 3396 KB Output is correct
10 Correct 0 ms 3396 KB Output is correct
11 Correct 0 ms 3396 KB Output is correct
12 Correct 0 ms 3396 KB Output is correct
13 Correct 0 ms 3396 KB Output is correct
14 Correct 0 ms 3396 KB Output is correct
15 Correct 0 ms 3396 KB Output is correct
16 Correct 0 ms 3396 KB Output is correct
17 Correct 0 ms 3396 KB Output is correct
18 Correct 0 ms 3396 KB Output is correct
19 Correct 0 ms 3396 KB Output is correct
20 Correct 0 ms 3396 KB Output is correct
21 Correct 13 ms 3396 KB Output is correct
22 Correct 19 ms 3396 KB Output is correct
23 Correct 6 ms 3396 KB Output is correct
24 Runtime error 53 ms 3396 KB Execution killed because of forbidden syscall writev (20)
25 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3396 KB Output is correct
2 Correct 0 ms 3396 KB Output is correct
3 Correct 0 ms 3396 KB Output is correct
4 Correct 0 ms 3396 KB Output is correct
5 Correct 0 ms 3396 KB Output is correct
6 Correct 0 ms 3396 KB Output is correct
7 Correct 0 ms 3396 KB Output is correct
8 Correct 0 ms 3396 KB Output is correct
9 Correct 0 ms 3396 KB Output is correct
10 Correct 0 ms 3396 KB Output is correct
11 Correct 0 ms 3396 KB Output is correct
12 Correct 0 ms 3396 KB Output is correct
13 Correct 0 ms 3396 KB Output is correct
14 Correct 0 ms 3396 KB Output is correct
15 Correct 0 ms 3396 KB Output is correct
16 Correct 0 ms 3396 KB Output is correct
17 Correct 0 ms 3396 KB Output is correct
18 Correct 0 ms 3396 KB Output is correct
19 Correct 0 ms 3396 KB Output is correct
20 Correct 0 ms 3396 KB Output is correct
21 Correct 13 ms 3396 KB Output is correct
22 Correct 19 ms 3396 KB Output is correct
23 Correct 6 ms 3396 KB Output is correct
24 Runtime error 53 ms 3396 KB Execution killed because of forbidden syscall writev (20)
25 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3396 KB Output is correct
2 Correct 0 ms 3396 KB Output is correct
3 Correct 0 ms 3396 KB Output is correct
4 Correct 0 ms 3396 KB Output is correct
5 Correct 0 ms 3396 KB Output is correct
6 Correct 0 ms 3396 KB Output is correct
7 Correct 0 ms 3396 KB Output is correct
8 Correct 0 ms 3396 KB Output is correct
9 Correct 0 ms 3396 KB Output is correct
10 Correct 0 ms 3396 KB Output is correct
11 Correct 0 ms 3396 KB Output is correct
12 Correct 0 ms 3396 KB Output is correct
13 Correct 0 ms 3396 KB Output is correct
14 Correct 0 ms 3396 KB Output is correct
15 Correct 0 ms 3396 KB Output is correct
16 Correct 0 ms 3396 KB Output is correct
17 Correct 0 ms 3396 KB Output is correct
18 Correct 0 ms 3396 KB Output is correct
19 Correct 0 ms 3396 KB Output is correct
20 Correct 0 ms 3396 KB Output is correct
21 Correct 13 ms 3396 KB Output is correct
22 Correct 19 ms 3396 KB Output is correct
23 Correct 6 ms 3396 KB Output is correct
24 Runtime error 53 ms 3396 KB Execution killed because of forbidden syscall writev (20)
25 Halted 0 ms 0 KB -