oj.uz

Submission #88515

# Submission time Handle Problem Language Result Execution time Memory
88515 2018-12-06T09:36:06 Z Bodo171 Bootfall (IZhO17_bootfall) C++14
100 / 100
 268 ms 5132 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/2-a[i];j>=0;j--)
         add(dp[j+a[i]],dp[j],mod);
    for(i=1;i<=n;i++)
    {
        for(j=sum/2;j>=0;j--)
            act[j]=dp[j];
        for(j=0;j<=sum/2-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 380 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 424 KB Output is correct
4 Correct 2 ms 440 KB Output is correct
5 Correct 2 ms 488 KB Output is correct
6 Correct 2 ms 488 KB Output is correct
7 Correct 2 ms 516 KB Output is correct
8 Correct 2 ms 608 KB Output is correct
9 Correct 2 ms 608 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 424 KB Output is correct
4 Correct 2 ms 440 KB Output is correct
5 Correct 2 ms 488 KB Output is correct
6 Correct 2 ms 488 KB Output is correct
7 Correct 2 ms 516 KB Output is correct
8 Correct 2 ms 608 KB Output is correct
9 Correct 2 ms 608 KB Output is correct
10 Correct 2 ms 608 KB Output is correct
11 Correct 2 ms 608 KB Output is correct
12 Correct 2 ms 608 KB Output is correct
13 Correct 2 ms 608 KB Output is correct
14 Correct 2 ms 608 KB Output is correct
15 Correct 2 ms 612 KB Output is correct
16 Correct 2 ms 612 KB Output is correct
17 Correct 2 ms 612 KB Output is correct
18 Correct 2 ms 612 KB Output is correct
19 Correct 2 ms 612 KB Output is correct
20 Correct 2 ms 612 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 424 KB Output is correct
4 Correct 2 ms 440 KB Output is correct
5 Correct 2 ms 488 KB Output is correct
6 Correct 2 ms 488 KB Output is correct
7 Correct 2 ms 516 KB Output is correct
8 Correct 2 ms 608 KB Output is correct
9 Correct 2 ms 608 KB Output is correct
10 Correct 2 ms 608 KB Output is correct
11 Correct 2 ms 608 KB Output is correct
12 Correct 2 ms 608 KB Output is correct
13 Correct 2 ms 608 KB Output is correct
14 Correct 2 ms 608 KB Output is correct
15 Correct 2 ms 612 KB Output is correct
16 Correct 2 ms 612 KB Output is correct
17 Correct 2 ms 612 KB Output is correct
18 Correct 2 ms 612 KB Output is correct
19 Correct 2 ms 612 KB Output is correct
20 Correct 2 ms 612 KB Output is correct
21 Correct 3 ms 612 KB Output is correct
22 Correct 3 ms 612 KB Output is correct
23 Correct 2 ms 624 KB Output is correct
24 Correct 3 ms 640 KB Output is correct
25 Correct 4 ms 768 KB Output is correct
26 Correct 5 ms 784 KB Output is correct
27 Correct 4 ms 784 KB Output is correct
28 Correct 4 ms 784 KB Output is correct
29 Correct 4 ms 800 KB Output is correct
30 Correct 4 ms 800 KB Output is correct
31 Correct 4 ms 800 KB Output is correct
32 Correct 1 ms 804 KB Output is correct
33 Correct 4 ms 804 KB Output is correct
34 Correct 4 ms 804 KB Output is correct
35 Correct 4 ms 928 KB Output is correct
36 Correct 3 ms 928 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 424 KB Output is correct
4 Correct 2 ms 440 KB Output is correct
5 Correct 2 ms 488 KB Output is correct
6 Correct 2 ms 488 KB Output is correct
7 Correct 2 ms 516 KB Output is correct
8 Correct 2 ms 608 KB Output is correct
9 Correct 2 ms 608 KB Output is correct
10 Correct 2 ms 608 KB Output is correct
11 Correct 2 ms 608 KB Output is correct
12 Correct 2 ms 608 KB Output is correct
13 Correct 2 ms 608 KB Output is correct
14 Correct 2 ms 608 KB Output is correct
15 Correct 2 ms 612 KB Output is correct
16 Correct 2 ms 612 KB Output is correct
17 Correct 2 ms 612 KB Output is correct
18 Correct 2 ms 612 KB Output is correct
19 Correct 2 ms 612 KB Output is correct
20 Correct 2 ms 612 KB Output is correct
21 Correct 3 ms 612 KB Output is correct
22 Correct 3 ms 612 KB Output is correct
23 Correct 2 ms 624 KB Output is correct
24 Correct 3 ms 640 KB Output is correct
25 Correct 4 ms 768 KB Output is correct
26 Correct 5 ms 784 KB Output is correct
27 Correct 4 ms 784 KB Output is correct
28 Correct 4 ms 784 KB Output is correct
29 Correct 4 ms 800 KB Output is correct
30 Correct 4 ms 800 KB Output is correct
31 Correct 4 ms 800 KB Output is correct
32 Correct 1 ms 804 KB Output is correct
33 Correct 4 ms 804 KB Output is correct
34 Correct 4 ms 804 KB Output is correct
35 Correct 4 ms 928 KB Output is correct
36 Correct 3 ms 928 KB Output is correct
37 Correct 12 ms 1068 KB Output is correct
38 Correct 12 ms 1068 KB Output is correct
39 Correct 32 ms 1580 KB Output is correct
40 Correct 23 ms 1580 KB Output is correct
41 Correct 44 ms 1728 KB Output is correct
42 Correct 20 ms 1728 KB Output is correct
43 Correct 33 ms 1852 KB Output is correct
44 Correct 37 ms 1852 KB Output is correct
45 Correct 39 ms 1852 KB Output is correct
46 Correct 19 ms 1852 KB Output is correct
47 Correct 22 ms 1852 KB Output is correct
48 Correct 39 ms 1852 KB Output is correct
49 Correct 40 ms 1852 KB Output is correct
50 Correct 21 ms 1852 KB Output is correct
51 Correct 20 ms 1852 KB Output is correct
52 Correct 45 ms 1980 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 424 KB Output is correct
4 Correct 2 ms 440 KB Output is correct
5 Correct 2 ms 488 KB Output is correct
6 Correct 2 ms 488 KB Output is correct
7 Correct 2 ms 516 KB Output is correct
8 Correct 2 ms 608 KB Output is correct
9 Correct 2 ms 608 KB Output is correct
10 Correct 2 ms 608 KB Output is correct
11 Correct 2 ms 608 KB Output is correct
12 Correct 2 ms 608 KB Output is correct
13 Correct 2 ms 608 KB Output is correct
14 Correct 2 ms 608 KB Output is correct
15 Correct 2 ms 612 KB Output is correct
16 Correct 2 ms 612 KB Output is correct
17 Correct 2 ms 612 KB Output is correct
18 Correct 2 ms 612 KB Output is correct
19 Correct 2 ms 612 KB Output is correct
20 Correct 2 ms 612 KB Output is correct
21 Correct 3 ms 612 KB Output is correct
22 Correct 3 ms 612 KB Output is correct
23 Correct 2 ms 624 KB Output is correct
24 Correct 3 ms 640 KB Output is correct
25 Correct 4 ms 768 KB Output is correct
26 Correct 5 ms 784 KB Output is correct
27 Correct 4 ms 784 KB Output is correct
28 Correct 4 ms 784 KB Output is correct
29 Correct 4 ms 800 KB Output is correct
30 Correct 4 ms 800 KB Output is correct
31 Correct 4 ms 800 KB Output is correct
32 Correct 1 ms 804 KB Output is correct
33 Correct 4 ms 804 KB Output is correct
34 Correct 4 ms 804 KB Output is correct
35 Correct 4 ms 928 KB Output is correct
36 Correct 3 ms 928 KB Output is correct
37 Correct 12 ms 1068 KB Output is correct
38 Correct 12 ms 1068 KB Output is correct
39 Correct 32 ms 1580 KB Output is correct
40 Correct 23 ms 1580 KB Output is correct
41 Correct 44 ms 1728 KB Output is correct
42 Correct 20 ms 1728 KB Output is correct
43 Correct 33 ms 1852 KB Output is correct
44 Correct 37 ms 1852 KB Output is correct
45 Correct 39 ms 1852 KB Output is correct
46 Correct 19 ms 1852 KB Output is correct
47 Correct 22 ms 1852 KB Output is correct
48 Correct 39 ms 1852 KB Output is correct
49 Correct 40 ms 1852 KB Output is correct
50 Correct 21 ms 1852 KB Output is correct
51 Correct 20 ms 1852 KB Output is correct
52 Correct 45 ms 1980 KB Output is correct
53 Correct 34 ms 1980 KB Output is correct
54 Correct 46 ms 1980 KB Output is correct
55 Correct 90 ms 2700 KB Output is correct
56 Correct 41 ms 2700 KB Output is correct
57 Correct 94 ms 2876 KB Output is correct
58 Correct 85 ms 2876 KB Output is correct
59 Correct 63 ms 2876 KB Output is correct
60 Correct 47 ms 2876 KB Output is correct
61 Correct 71 ms 2876 KB Output is correct
62 Correct 75 ms 2876 KB Output is correct
63 Correct 79 ms 2876 KB Output is correct
64 Correct 75 ms 2876 KB Output is correct
65 Correct 38 ms 2876 KB Output is correct
66 Correct 41 ms 2876 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 424 KB Output is correct
4 Correct 2 ms 440 KB Output is correct
5 Correct 2 ms 488 KB Output is correct
6 Correct 2 ms 488 KB Output is correct
7 Correct 2 ms 516 KB Output is correct
8 Correct 2 ms 608 KB Output is correct
9 Correct 2 ms 608 KB Output is correct
10 Correct 2 ms 608 KB Output is correct
11 Correct 2 ms 608 KB Output is correct
12 Correct 2 ms 608 KB Output is correct
13 Correct 2 ms 608 KB Output is correct
14 Correct 2 ms 608 KB Output is correct
15 Correct 2 ms 612 KB Output is correct
16 Correct 2 ms 612 KB Output is correct
17 Correct 2 ms 612 KB Output is correct
18 Correct 2 ms 612 KB Output is correct
19 Correct 2 ms 612 KB Output is correct
20 Correct 2 ms 612 KB Output is correct
21 Correct 3 ms 612 KB Output is correct
22 Correct 3 ms 612 KB Output is correct
23 Correct 2 ms 624 KB Output is correct
24 Correct 3 ms 640 KB Output is correct
25 Correct 4 ms 768 KB Output is correct
26 Correct 5 ms 784 KB Output is correct
27 Correct 4 ms 784 KB Output is correct
28 Correct 4 ms 784 KB Output is correct
29 Correct 4 ms 800 KB Output is correct
30 Correct 4 ms 800 KB Output is correct
31 Correct 4 ms 800 KB Output is correct
32 Correct 1 ms 804 KB Output is correct
33 Correct 4 ms 804 KB Output is correct
34 Correct 4 ms 804 KB Output is correct
35 Correct 4 ms 928 KB Output is correct
36 Correct 3 ms 928 KB Output is correct
37 Correct 12 ms 1068 KB Output is correct
38 Correct 12 ms 1068 KB Output is correct
39 Correct 32 ms 1580 KB Output is correct
40 Correct 23 ms 1580 KB Output is correct
41 Correct 44 ms 1728 KB Output is correct
42 Correct 20 ms 1728 KB Output is correct
43 Correct 33 ms 1852 KB Output is correct
44 Correct 37 ms 1852 KB Output is correct
45 Correct 39 ms 1852 KB Output is correct
46 Correct 19 ms 1852 KB Output is correct
47 Correct 22 ms 1852 KB Output is correct
48 Correct 39 ms 1852 KB Output is correct
49 Correct 40 ms 1852 KB Output is correct
50 Correct 21 ms 1852 KB Output is correct
51 Correct 20 ms 1852 KB Output is correct
52 Correct 45 ms 1980 KB Output is correct
53 Correct 34 ms 1980 KB Output is correct
54 Correct 46 ms 1980 KB Output is correct
55 Correct 90 ms 2700 KB Output is correct
56 Correct 41 ms 2700 KB Output is correct
57 Correct 94 ms 2876 KB Output is correct
58 Correct 85 ms 2876 KB Output is correct
59 Correct 63 ms 2876 KB Output is correct
60 Correct 47 ms 2876 KB Output is correct
61 Correct 71 ms 2876 KB Output is correct
62 Correct 75 ms 2876 KB Output is correct
63 Correct 79 ms 2876 KB Output is correct
64 Correct 75 ms 2876 KB Output is correct
65 Correct 38 ms 2876 KB Output is correct
66 Correct 41 ms 2876 KB Output is correct
67 Correct 79 ms 2876 KB Output is correct
68 Correct 128 ms 2876 KB Output is correct
69 Correct 242 ms 4772 KB Output is correct
70 Correct 146 ms 4772 KB Output is correct
71 Correct 142 ms 4772 KB Output is correct
72 Correct 137 ms 4772 KB Output is correct
73 Correct 136 ms 4772 KB Output is correct
74 Correct 259 ms 4960 KB Output is correct
75 Correct 199 ms 4960 KB Output is correct
76 Correct 268 ms 5052 KB Output is correct
77 Correct 268 ms 5132 KB Output is correct