oj.uz

Submission #173182

# Submission time Handle Problem Language Result Execution time Memory
173182 2020-01-03T14:38:44 Z DeD_TihoN Bootfall (IZhO17_bootfall) C++14
28 / 100
 1000 ms 8396 KB 
#pragma GCC optimize ("O3")
#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define ll long long
#define ld long double
#define all(a) a.begin(),a.end()
#define ull unsigned long long
#define endl '\n'
#define y1 yaumru
#define ios ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define iter vector<int>::iterator
using namespace std;
using namespace __gnu_pbds;

template<class T>
using ordered_set=tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;

template<class T>
using ordered_multiset=tree<T,null_type,less_equal<T>,rb_tree_tag,tree_order_statistics_node_update>;

mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rnd1(chrono::steady_clock::now().time_since_epoch().count());

//find_by_order
//order_of_key

const int N=500+1;
const int inf=1e9+1e9;
const int mod=1e9+7;
const ld eps=1e-9;
const int M=250000+1;

bitset<M>dp[N];
int a[N];

main ()
{
    ios;
    int n;
    cin>>n;
    for (int i=1;i<=n;++i){
        cin>>a[i];
    }
    int sum=0;
    for (int i=1;i<=n;++i){
        sum+=a[i];
    }
    if (sum%2==1){
        cout<<0<<endl;
        exit(0);
    }
    for (int i=0;i<=n;++i){
        dp[i][0]=1;
        for (int j=1;j<=n;++j){
            if (j==i)continue;
            bitset<M>f=(dp[i]<<a[j]);
            dp[i]=(dp[i]|f);
        }
    }
    vector<int>ans;
    if (dp[0][sum/2]==0){
        cout<<0<<endl;
        exit(0);
    }
    for (int i=1;i<=M;++i){
        bool cc=true;
        for (int j=1;j<=n;++j){
            if ((sum-a[j]+i)%2==1){
                cc=false;
                break;
            }
            if ((sum-a[j]+i)%2==0){
                if (dp[j][(sum-a[j]+i)/2]==0){
                    cc=false;
                    break;
                }
            }
        }
        if (cc)ans.pb(i);
    }
    cout<<(int)ans.size()<<endl;
    for (int i=0;i<ans.size();++i){
        cout<<ans[i]<<' ';
    }
}

Compilation message

bootfall.cpp:41:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main ()
       ^
bootfall.cpp: In function 'int main()':
bootfall.cpp:87:19: 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 3 ms 632 KB Output is correct
2 Correct 3 ms 632 KB Output is correct
3 Correct 2 ms 632 KB Output is correct
4 Correct 3 ms 632 KB Output is correct
5 Correct 5 ms 760 KB Output is correct
6 Correct 4 ms 632 KB Output is correct
7 Correct 4 ms 632 KB Output is correct
8 Correct 5 ms 888 KB Output is correct
9 Correct 5 ms 760 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 632 KB Output is correct
2 Correct 3 ms 632 KB Output is correct
3 Correct 2 ms 632 KB Output is correct
4 Correct 3 ms 632 KB Output is correct
5 Correct 5 ms 760 KB Output is correct
6 Correct 4 ms 632 KB Output is correct
7 Correct 4 ms 632 KB Output is correct
8 Correct 5 ms 888 KB Output is correct
9 Correct 5 ms 760 KB Output is correct
10 Correct 17 ms 1400 KB Output is correct
11 Correct 18 ms 1400 KB Output is correct
12 Correct 17 ms 1340 KB Output is correct
13 Correct 14 ms 1272 KB Output is correct
14 Correct 15 ms 1272 KB Output is correct
15 Correct 15 ms 1276 KB Output is correct
16 Correct 17 ms 1400 KB Output is correct
17 Correct 8 ms 1016 KB Output is correct
18 Correct 12 ms 1144 KB Output is correct
19 Correct 14 ms 1272 KB Output is correct
20 Correct 17 ms 1400 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 632 KB Output is correct
2 Correct 3 ms 632 KB Output is correct
3 Correct 2 ms 632 KB Output is correct
4 Correct 3 ms 632 KB Output is correct
5 Correct 5 ms 760 KB Output is correct
6 Correct 4 ms 632 KB Output is correct
7 Correct 4 ms 632 KB Output is correct
8 Correct 5 ms 888 KB Output is correct
9 Correct 5 ms 760 KB Output is correct
10 Correct 17 ms 1400 KB Output is correct
11 Correct 18 ms 1400 KB Output is correct
12 Correct 17 ms 1340 KB Output is correct
13 Correct 14 ms 1272 KB Output is correct
14 Correct 15 ms 1272 KB Output is correct
15 Correct 15 ms 1276 KB Output is correct
16 Correct 17 ms 1400 KB Output is correct
17 Correct 8 ms 1016 KB Output is correct
18 Correct 12 ms 1144 KB Output is correct
19 Correct 14 ms 1272 KB Output is correct
20 Correct 17 ms 1400 KB Output is correct
21 Correct 66 ms 2508 KB Output is correct
22 Correct 86 ms 2776 KB Output is correct
23 Correct 42 ms 2040 KB Output is correct
24 Correct 138 ms 3404 KB Output is correct
25 Correct 150 ms 3448 KB Output is correct
26 Correct 156 ms 3620 KB Output is correct
27 Correct 155 ms 3576 KB Output is correct
28 Correct 153 ms 3568 KB Output is correct
29 Correct 157 ms 3580 KB Output is correct
30 Correct 155 ms 3488 KB Output is correct
31 Correct 158 ms 3520 KB Output is correct
32 Correct 154 ms 3592 KB Output is correct
33 Correct 154 ms 3576 KB Output is correct
34 Correct 155 ms 3556 KB Output is correct
35 Correct 154 ms 3492 KB Output is correct
36 Correct 156 ms 3696 KB Output is correct

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 632 KB Output is correct
2 Correct 3 ms 632 KB Output is correct
3 Correct 2 ms 632 KB Output is correct
4 Correct 3 ms 632 KB Output is correct
5 Correct 5 ms 760 KB Output is correct
6 Correct 4 ms 632 KB Output is correct
7 Correct 4 ms 632 KB Output is correct
8 Correct 5 ms 888 KB Output is correct
9 Correct 5 ms 760 KB Output is correct
10 Correct 17 ms 1400 KB Output is correct
11 Correct 18 ms 1400 KB Output is correct
12 Correct 17 ms 1340 KB Output is correct
13 Correct 14 ms 1272 KB Output is correct
14 Correct 15 ms 1272 KB Output is correct
15 Correct 15 ms 1276 KB Output is correct
16 Correct 17 ms 1400 KB Output is correct
17 Correct 8 ms 1016 KB Output is correct
18 Correct 12 ms 1144 KB Output is correct
19 Correct 14 ms 1272 KB Output is correct
20 Correct 17 ms 1400 KB Output is correct
21 Correct 66 ms 2508 KB Output is correct
22 Correct 86 ms 2776 KB Output is correct
23 Correct 42 ms 2040 KB Output is correct
24 Correct 138 ms 3404 KB Output is correct
25 Correct 150 ms 3448 KB Output is correct
26 Correct 156 ms 3620 KB Output is correct
27 Correct 155 ms 3576 KB Output is correct
28 Correct 153 ms 3568 KB Output is correct
29 Correct 157 ms 3580 KB Output is correct
30 Correct 155 ms 3488 KB Output is correct
31 Correct 158 ms 3520 KB Output is correct
32 Correct 154 ms 3592 KB Output is correct
33 Correct 154 ms 3576 KB Output is correct
34 Correct 155 ms 3556 KB Output is correct
35 Correct 154 ms 3492 KB Output is correct
36 Correct 156 ms 3696 KB Output is correct
37 Correct 611 ms 6828 KB Output is correct
38 Correct 602 ms 6684 KB Output is correct
39 Correct 923 ms 8000 KB Output is correct
40 Execution timed out 1040 ms 8396 KB Time limit exceeded
41 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 632 KB Output is correct
2 Correct 3 ms 632 KB Output is correct
3 Correct 2 ms 632 KB Output is correct
4 Correct 3 ms 632 KB Output is correct
5 Correct 5 ms 760 KB Output is correct
6 Correct 4 ms 632 KB Output is correct
7 Correct 4 ms 632 KB Output is correct
8 Correct 5 ms 888 KB Output is correct
9 Correct 5 ms 760 KB Output is correct
10 Correct 17 ms 1400 KB Output is correct
11 Correct 18 ms 1400 KB Output is correct
12 Correct 17 ms 1340 KB Output is correct
13 Correct 14 ms 1272 KB Output is correct
14 Correct 15 ms 1272 KB Output is correct
15 Correct 15 ms 1276 KB Output is correct
16 Correct 17 ms 1400 KB Output is correct
17 Correct 8 ms 1016 KB Output is correct
18 Correct 12 ms 1144 KB Output is correct
19 Correct 14 ms 1272 KB Output is correct
20 Correct 17 ms 1400 KB Output is correct
21 Correct 66 ms 2508 KB Output is correct
22 Correct 86 ms 2776 KB Output is correct
23 Correct 42 ms 2040 KB Output is correct
24 Correct 138 ms 3404 KB Output is correct
25 Correct 150 ms 3448 KB Output is correct
26 Correct 156 ms 3620 KB Output is correct
27 Correct 155 ms 3576 KB Output is correct
28 Correct 153 ms 3568 KB Output is correct
29 Correct 157 ms 3580 KB Output is correct
30 Correct 155 ms 3488 KB Output is correct
31 Correct 158 ms 3520 KB Output is correct
32 Correct 154 ms 3592 KB Output is correct
33 Correct 154 ms 3576 KB Output is correct
34 Correct 155 ms 3556 KB Output is correct
35 Correct 154 ms 3492 KB Output is correct
36 Correct 156 ms 3696 KB Output is correct
37 Correct 611 ms 6828 KB Output is correct
38 Correct 602 ms 6684 KB Output is correct
39 Correct 923 ms 8000 KB Output is correct
40 Execution timed out 1040 ms 8396 KB Time limit exceeded
41 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 632 KB Output is correct
2 Correct 3 ms 632 KB Output is correct
3 Correct 2 ms 632 KB Output is correct
4 Correct 3 ms 632 KB Output is correct
5 Correct 5 ms 760 KB Output is correct
6 Correct 4 ms 632 KB Output is correct
7 Correct 4 ms 632 KB Output is correct
8 Correct 5 ms 888 KB Output is correct
9 Correct 5 ms 760 KB Output is correct
10 Correct 17 ms 1400 KB Output is correct
11 Correct 18 ms 1400 KB Output is correct
12 Correct 17 ms 1340 KB Output is correct
13 Correct 14 ms 1272 KB Output is correct
14 Correct 15 ms 1272 KB Output is correct
15 Correct 15 ms 1276 KB Output is correct
16 Correct 17 ms 1400 KB Output is correct
17 Correct 8 ms 1016 KB Output is correct
18 Correct 12 ms 1144 KB Output is correct
19 Correct 14 ms 1272 KB Output is correct
20 Correct 17 ms 1400 KB Output is correct
21 Correct 66 ms 2508 KB Output is correct
22 Correct 86 ms 2776 KB Output is correct
23 Correct 42 ms 2040 KB Output is correct
24 Correct 138 ms 3404 KB Output is correct
25 Correct 150 ms 3448 KB Output is correct
26 Correct 156 ms 3620 KB Output is correct
27 Correct 155 ms 3576 KB Output is correct
28 Correct 153 ms 3568 KB Output is correct
29 Correct 157 ms 3580 KB Output is correct
30 Correct 155 ms 3488 KB Output is correct
31 Correct 158 ms 3520 KB Output is correct
32 Correct 154 ms 3592 KB Output is correct
33 Correct 154 ms 3576 KB Output is correct
34 Correct 155 ms 3556 KB Output is correct
35 Correct 154 ms 3492 KB Output is correct
36 Correct 156 ms 3696 KB Output is correct
37 Correct 611 ms 6828 KB Output is correct
38 Correct 602 ms 6684 KB Output is correct
39 Correct 923 ms 8000 KB Output is correct
40 Execution timed out 1040 ms 8396 KB Time limit exceeded
41 Halted 0 ms 0 KB -