oj.uz

Submission #88513

# Submission time Handle Problem Language Result Execution time Memory
88513 2018-12-06T09:34:58 Z Bodo171 Bootfall (IZhO17_bootfall) C++14
100 / 100
 452 ms 6116 KB 
#include <iostream>
#include <fstream>
#include <vector>
using namespace std;
const int nmax=505;
vector<int> ans;
int dp[nmax*nmax],act[nmax*nmax],cate[nmax*nmax],ok[nmax*nmax];
int a[nmax];
int n,i,j,S,sum;
void add(int &a,int b,int mod)
{
    a+=b;
    if(a>=mod)
        a-=mod;
}
void sub(int &a,int b,int mod)
{
    a-=b;
    if(a<0)
        a+=mod;
}
void solve(int mod)
{
    dp[0]=1;
    for(i=1;i<=sum;i++)
        dp[i]=0,cate[i]=0;
    for(i=1;i<=n;i++)
      for(j=sum-a[i];j>=0;j--)
         add(dp[j+a[i]],dp[j],mod);
    for(i=1;i<=n;i++)
    {
        for(j=sum;j>=0;j--)
            act[j]=dp[j];
        for(j=0;j<=sum-a[i];j++)
            sub(act[j+a[i]],act[j],mod);
        S=sum-a[i];
        for(j=0;j<=S/2;j++)
            if(act[j])
                cate[S-2*j]++;
    }
    for(i=1;i<=sum;i++)
        if(cate[i]==n)
            ok[i]=1;
}
int main()
{
    //freopen("data.in","r",stdin);
    ios_base::sync_with_stdio(false);
    cin>>n;
    for(i=1;i<=n;i++)
        cin>>a[i],sum+=a[i];
    solve(1000*1000*1000+7);
    if(dp[sum/2]==0||sum%2)
    {
        cout<<"0";
        return 0;
    }
    for(i=1;i<=sum;i++)
        if(ok[i])
         ans.push_back(i);
    cout<<ans.size()<<'\n';
    for(int i=0;i<ans.size();i++)
        cout<<ans[i]<<' ';
    return 0;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:62:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<ans.size();i++)
                 ~^~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 448 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 640 KB Output is correct
5 Correct 2 ms 640 KB Output is correct
6 Correct 2 ms 640 KB Output is correct
7 Correct 2 ms 640 KB Output is correct
8 Correct 2 ms 640 KB Output is correct
9 Correct 2 ms 640 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 448 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 640 KB Output is correct
5 Correct 2 ms 640 KB Output is correct
6 Correct 2 ms 640 KB Output is correct
7 Correct 2 ms 640 KB Output is correct
8 Correct 2 ms 640 KB Output is correct
9 Correct 2 ms 640 KB Output is correct
10 Correct 2 ms 644 KB Output is correct
11 Correct 2 ms 648 KB Output is correct
12 Correct 2 ms 652 KB Output is correct
13 Correct 2 ms 656 KB Output is correct
14 Correct 2 ms 660 KB Output is correct
15 Correct 2 ms 664 KB Output is correct
16 Correct 2 ms 668 KB Output is correct
17 Correct 2 ms 672 KB Output is correct
18 Correct 2 ms 676 KB Output is correct
19 Correct 2 ms 680 KB Output is correct
20 Correct 2 ms 684 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 448 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 640 KB Output is correct
5 Correct 2 ms 640 KB Output is correct
6 Correct 2 ms 640 KB Output is correct
7 Correct 2 ms 640 KB Output is correct
8 Correct 2 ms 640 KB Output is correct
9 Correct 2 ms 640 KB Output is correct
10 Correct 2 ms 644 KB Output is correct
11 Correct 2 ms 648 KB Output is correct
12 Correct 2 ms 652 KB Output is correct
13 Correct 2 ms 656 KB Output is correct
14 Correct 2 ms 660 KB Output is correct
15 Correct 2 ms 664 KB Output is correct
16 Correct 2 ms 668 KB Output is correct
17 Correct 2 ms 672 KB Output is correct
18 Correct 2 ms 676 KB Output is correct
19 Correct 2 ms 680 KB Output is correct
20 Correct 2 ms 684 KB Output is correct
21 Correct 3 ms 688 KB Output is correct
22 Correct 3 ms 692 KB Output is correct
23 Correct 3 ms 712 KB Output is correct
24 Correct 4 ms 844 KB Output is correct
25 Correct 6 ms 980 KB Output is correct
26 Correct 6 ms 980 KB Output is correct
27 Correct 6 ms 980 KB Output is correct
28 Correct 6 ms 980 KB Output is correct
29 Correct 6 ms 980 KB Output is correct
30 Correct 4 ms 980 KB Output is correct
31 Correct 5 ms 980 KB Output is correct
32 Correct 4 ms 980 KB Output is correct
33 Correct 6 ms 980 KB Output is correct
34 Correct 6 ms 980 KB Output is correct
35 Correct 6 ms 980 KB Output is correct
36 Correct 27 ms 980 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 448 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 640 KB Output is correct
5 Correct 2 ms 640 KB Output is correct
6 Correct 2 ms 640 KB Output is correct
7 Correct 2 ms 640 KB Output is correct
8 Correct 2 ms 640 KB Output is correct
9 Correct 2 ms 640 KB Output is correct
10 Correct 2 ms 644 KB Output is correct
11 Correct 2 ms 648 KB Output is correct
12 Correct 2 ms 652 KB Output is correct
13 Correct 2 ms 656 KB Output is correct
14 Correct 2 ms 660 KB Output is correct
15 Correct 2 ms 664 KB Output is correct
16 Correct 2 ms 668 KB Output is correct
17 Correct 2 ms 672 KB Output is correct
18 Correct 2 ms 676 KB Output is correct
19 Correct 2 ms 680 KB Output is correct
20 Correct 2 ms 684 KB Output is correct
21 Correct 3 ms 688 KB Output is correct
22 Correct 3 ms 692 KB Output is correct
23 Correct 3 ms 712 KB Output is correct
24 Correct 4 ms 844 KB Output is correct
25 Correct 6 ms 980 KB Output is correct
26 Correct 6 ms 980 KB Output is correct
27 Correct 6 ms 980 KB Output is correct
28 Correct 6 ms 980 KB Output is correct
29 Correct 6 ms 980 KB Output is correct
30 Correct 4 ms 980 KB Output is correct
31 Correct 5 ms 980 KB Output is correct
32 Correct 4 ms 980 KB Output is correct
33 Correct 6 ms 980 KB Output is correct
34 Correct 6 ms 980 KB Output is correct
35 Correct 6 ms 980 KB Output is correct
36 Correct 27 ms 980 KB Output is correct
37 Correct 17 ms 1196 KB Output is correct
38 Correct 18 ms 1200 KB Output is correct
39 Correct 58 ms 1716 KB Output is correct
40 Correct 37 ms 1716 KB Output is correct
41 Correct 75 ms 1972 KB Output is correct
42 Correct 34 ms 1972 KB Output is correct
43 Correct 53 ms 2076 KB Output is correct
44 Correct 61 ms 2092 KB Output is correct
45 Correct 55 ms 2092 KB Output is correct
46 Correct 31 ms 2092 KB Output is correct
47 Correct 37 ms 2092 KB Output is correct
48 Correct 62 ms 2092 KB Output is correct
49 Correct 62 ms 2092 KB Output is correct
50 Correct 36 ms 2092 KB Output is correct
51 Correct 30 ms 2092 KB Output is correct
52 Correct 73 ms 2388 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 448 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 640 KB Output is correct
5 Correct 2 ms 640 KB Output is correct
6 Correct 2 ms 640 KB Output is correct
7 Correct 2 ms 640 KB Output is correct
8 Correct 2 ms 640 KB Output is correct
9 Correct 2 ms 640 KB Output is correct
10 Correct 2 ms 644 KB Output is correct
11 Correct 2 ms 648 KB Output is correct
12 Correct 2 ms 652 KB Output is correct
13 Correct 2 ms 656 KB Output is correct
14 Correct 2 ms 660 KB Output is correct
15 Correct 2 ms 664 KB Output is correct
16 Correct 2 ms 668 KB Output is correct
17 Correct 2 ms 672 KB Output is correct
18 Correct 2 ms 676 KB Output is correct
19 Correct 2 ms 680 KB Output is correct
20 Correct 2 ms 684 KB Output is correct
21 Correct 3 ms 688 KB Output is correct
22 Correct 3 ms 692 KB Output is correct
23 Correct 3 ms 712 KB Output is correct
24 Correct 4 ms 844 KB Output is correct
25 Correct 6 ms 980 KB Output is correct
26 Correct 6 ms 980 KB Output is correct
27 Correct 6 ms 980 KB Output is correct
28 Correct 6 ms 980 KB Output is correct
29 Correct 6 ms 980 KB Output is correct
30 Correct 4 ms 980 KB Output is correct
31 Correct 5 ms 980 KB Output is correct
32 Correct 4 ms 980 KB Output is correct
33 Correct 6 ms 980 KB Output is correct
34 Correct 6 ms 980 KB Output is correct
35 Correct 6 ms 980 KB Output is correct
36 Correct 27 ms 980 KB Output is correct
37 Correct 17 ms 1196 KB Output is correct
38 Correct 18 ms 1200 KB Output is correct
39 Correct 58 ms 1716 KB Output is correct
40 Correct 37 ms 1716 KB Output is correct
41 Correct 75 ms 1972 KB Output is correct
42 Correct 34 ms 1972 KB Output is correct
43 Correct 53 ms 2076 KB Output is correct
44 Correct 61 ms 2092 KB Output is correct
45 Correct 55 ms 2092 KB Output is correct
46 Correct 31 ms 2092 KB Output is correct
47 Correct 37 ms 2092 KB Output is correct
48 Correct 62 ms 2092 KB Output is correct
49 Correct 62 ms 2092 KB Output is correct
50 Correct 36 ms 2092 KB Output is correct
51 Correct 30 ms 2092 KB Output is correct
52 Correct 73 ms 2388 KB Output is correct
53 Correct 56 ms 2388 KB Output is correct
54 Correct 78 ms 2388 KB Output is correct
55 Correct 147 ms 3148 KB Output is correct
56 Correct 71 ms 3148 KB Output is correct
57 Correct 161 ms 3344 KB Output is correct
58 Correct 83 ms 3344 KB Output is correct
59 Correct 102 ms 3344 KB Output is correct
60 Correct 80 ms 3344 KB Output is correct
61 Correct 117 ms 3344 KB Output is correct
62 Correct 117 ms 3344 KB Output is correct
63 Correct 124 ms 3344 KB Output is correct
64 Correct 123 ms 3344 KB Output is correct
65 Correct 62 ms 3344 KB Output is correct
66 Correct 65 ms 3344 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 448 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 640 KB Output is correct
5 Correct 2 ms 640 KB Output is correct
6 Correct 2 ms 640 KB Output is correct
7 Correct 2 ms 640 KB Output is correct
8 Correct 2 ms 640 KB Output is correct
9 Correct 2 ms 640 KB Output is correct
10 Correct 2 ms 644 KB Output is correct
11 Correct 2 ms 648 KB Output is correct
12 Correct 2 ms 652 KB Output is correct
13 Correct 2 ms 656 KB Output is correct
14 Correct 2 ms 660 KB Output is correct
15 Correct 2 ms 664 KB Output is correct
16 Correct 2 ms 668 KB Output is correct
17 Correct 2 ms 672 KB Output is correct
18 Correct 2 ms 676 KB Output is correct
19 Correct 2 ms 680 KB Output is correct
20 Correct 2 ms 684 KB Output is correct
21 Correct 3 ms 688 KB Output is correct
22 Correct 3 ms 692 KB Output is correct
23 Correct 3 ms 712 KB Output is correct
24 Correct 4 ms 844 KB Output is correct
25 Correct 6 ms 980 KB Output is correct
26 Correct 6 ms 980 KB Output is correct
27 Correct 6 ms 980 KB Output is correct
28 Correct 6 ms 980 KB Output is correct
29 Correct 6 ms 980 KB Output is correct
30 Correct 4 ms 980 KB Output is correct
31 Correct 5 ms 980 KB Output is correct
32 Correct 4 ms 980 KB Output is correct
33 Correct 6 ms 980 KB Output is correct
34 Correct 6 ms 980 KB Output is correct
35 Correct 6 ms 980 KB Output is correct
36 Correct 27 ms 980 KB Output is correct
37 Correct 17 ms 1196 KB Output is correct
38 Correct 18 ms 1200 KB Output is correct
39 Correct 58 ms 1716 KB Output is correct
40 Correct 37 ms 1716 KB Output is correct
41 Correct 75 ms 1972 KB Output is correct
42 Correct 34 ms 1972 KB Output is correct
43 Correct 53 ms 2076 KB Output is correct
44 Correct 61 ms 2092 KB Output is correct
45 Correct 55 ms 2092 KB Output is correct
46 Correct 31 ms 2092 KB Output is correct
47 Correct 37 ms 2092 KB Output is correct
48 Correct 62 ms 2092 KB Output is correct
49 Correct 62 ms 2092 KB Output is correct
50 Correct 36 ms 2092 KB Output is correct
51 Correct 30 ms 2092 KB Output is correct
52 Correct 73 ms 2388 KB Output is correct
53 Correct 56 ms 2388 KB Output is correct
54 Correct 78 ms 2388 KB Output is correct
55 Correct 147 ms 3148 KB Output is correct
56 Correct 71 ms 3148 KB Output is correct
57 Correct 161 ms 3344 KB Output is correct
58 Correct 83 ms 3344 KB Output is correct
59 Correct 102 ms 3344 KB Output is correct
60 Correct 80 ms 3344 KB Output is correct
61 Correct 117 ms 3344 KB Output is correct
62 Correct 117 ms 3344 KB Output is correct
63 Correct 124 ms 3344 KB Output is correct
64 Correct 123 ms 3344 KB Output is correct
65 Correct 62 ms 3344 KB Output is correct
66 Correct 65 ms 3344 KB Output is correct
67 Correct 123 ms 3344 KB Output is correct
68 Correct 211 ms 3344 KB Output is correct
69 Correct 396 ms 5476 KB Output is correct
70 Correct 261 ms 5476 KB Output is correct
71 Correct 233 ms 5476 KB Output is correct
72 Correct 226 ms 5476 KB Output is correct
73 Correct 231 ms 5476 KB Output is correct
74 Correct 452 ms 5712 KB Output is correct
75 Correct 345 ms 5712 KB Output is correct
76 Correct 452 ms 6116 KB Output is correct
77 Correct 448 ms 6116 KB Output is correct