oj.uz

Submission #173209

# Submission time Handle Problem Language Result Execution time Memory
173209 2020-01-03T15:12:48 Z DeD_TihoN Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 6928 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];
bool used[N];

main ()
{
    ios;
    int n;
    cin>>n;
    for (int i=1;i<=n;++i){
        cin>>a[i];
    }
    int sum=0;
    bool c1=false;
    bool c2=false;
    for (int i=1;i<=n;++i){
        sum+=a[i];
        if (a[i]%2==1){
            c1=true;
        }
        else {
            c2=true;
        }
    }
    if (c1 && c2){
        cout<<0<<endl;
        exit(0);
    }
    if (sum%2==1){
        cout<<0<<endl;
        exit(0);
    }
    for (int i=0;i<=n;++i){
        if (i==0){
            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);
            }
            if (dp[0][sum/2]==0){
                cout<<0<<endl;
                exit(0);
            }
        }
        else {
            if (!used[a[i]]){
                used[a[i]]=true;
                dp[a[i]][0]=1;
                for (int j=1;j<=n;++j){
                    if (j==i)continue;
                    bitset<M>f=(dp[a[i]]<<a[j]);
                    dp[a[i]]=(dp[a[i]]|f);
                }
            }
        }
    }
    vector<int>ans;
    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[a[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:42:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main ()
       ^
bootfall.cpp: In function 'int main()':
bootfall.cpp:113:19: 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 4 ms 632 KB Output is correct
3 Correct 2 ms 508 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 5 ms 888 KB Output is correct
6 Correct 4 ms 760 KB Output is correct
7 Correct 3 ms 760 KB Output is correct
8 Correct 5 ms 888 KB Output is correct
9 Correct 2 ms 376 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 4 ms 632 KB Output is correct
3 Correct 2 ms 508 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 5 ms 888 KB Output is correct
6 Correct 4 ms 760 KB Output is correct
7 Correct 3 ms 760 KB Output is correct
8 Correct 5 ms 888 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 4 ms 504 KB Output is correct
11 Correct 8 ms 888 KB Output is correct
12 Correct 8 ms 888 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 8 ms 892 KB Output is correct
15 Correct 7 ms 760 KB Output is correct
16 Correct 8 ms 892 KB Output is correct
17 Correct 5 ms 764 KB Output is correct
18 Correct 7 ms 760 KB Output is correct
19 Correct 7 ms 760 KB Output is correct
20 Correct 4 ms 508 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 4 ms 632 KB Output is correct
3 Correct 2 ms 508 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 5 ms 888 KB Output is correct
6 Correct 4 ms 760 KB Output is correct
7 Correct 3 ms 760 KB Output is correct
8 Correct 5 ms 888 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 4 ms 504 KB Output is correct
11 Correct 8 ms 888 KB Output is correct
12 Correct 8 ms 888 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 8 ms 892 KB Output is correct
15 Correct 7 ms 760 KB Output is correct
16 Correct 8 ms 892 KB Output is correct
17 Correct 5 ms 764 KB Output is correct
18 Correct 7 ms 760 KB Output is correct
19 Correct 7 ms 760 KB Output is correct
20 Correct 4 ms 508 KB Output is correct
21 Correct 39 ms 1784 KB Output is correct
22 Correct 47 ms 1784 KB Output is correct
23 Correct 25 ms 1528 KB Output is correct
24 Correct 64 ms 2040 KB Output is correct
25 Correct 14 ms 760 KB Output is correct
26 Correct 15 ms 760 KB Output is correct
27 Correct 14 ms 760 KB Output is correct
28 Correct 9 ms 632 KB Output is correct
29 Correct 9 ms 632 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 44 ms 1556 KB Output is correct
32 Correct 71 ms 2040 KB Output is correct
33 Correct 6 ms 504 KB Output is correct
34 Correct 6 ms 504 KB Output is correct
35 Correct 9 ms 636 KB Output is correct
36 Correct 81 ms 2396 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 632 KB Output is correct
2 Correct 4 ms 632 KB Output is correct
3 Correct 2 ms 508 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 5 ms 888 KB Output is correct
6 Correct 4 ms 760 KB Output is correct
7 Correct 3 ms 760 KB Output is correct
8 Correct 5 ms 888 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 4 ms 504 KB Output is correct
11 Correct 8 ms 888 KB Output is correct
12 Correct 8 ms 888 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 8 ms 892 KB Output is correct
15 Correct 7 ms 760 KB Output is correct
16 Correct 8 ms 892 KB Output is correct
17 Correct 5 ms 764 KB Output is correct
18 Correct 7 ms 760 KB Output is correct
19 Correct 7 ms 760 KB Output is correct
20 Correct 4 ms 508 KB Output is correct
21 Correct 39 ms 1784 KB Output is correct
22 Correct 47 ms 1784 KB Output is correct
23 Correct 25 ms 1528 KB Output is correct
24 Correct 64 ms 2040 KB Output is correct
25 Correct 14 ms 760 KB Output is correct
26 Correct 15 ms 760 KB Output is correct
27 Correct 14 ms 760 KB Output is correct
28 Correct 9 ms 632 KB Output is correct
29 Correct 9 ms 632 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 44 ms 1556 KB Output is correct
32 Correct 71 ms 2040 KB Output is correct
33 Correct 6 ms 504 KB Output is correct
34 Correct 6 ms 504 KB Output is correct
35 Correct 9 ms 636 KB Output is correct
36 Correct 81 ms 2396 KB Output is correct
37 Correct 156 ms 2356 KB Output is correct
38 Correct 166 ms 2544 KB Output is correct
39 Correct 11 ms 632 KB Output is correct
40 Correct 560 ms 5488 KB Output is correct
41 Correct 11 ms 504 KB Output is correct
42 Correct 435 ms 4572 KB Output is correct
43 Correct 120 ms 1828 KB Output is correct
44 Correct 122 ms 1764 KB Output is correct
45 Correct 122 ms 1912 KB Output is correct
46 Correct 539 ms 5340 KB Output is correct
47 Correct 427 ms 4620 KB Output is correct
48 Correct 42 ms 1016 KB Output is correct
49 Correct 22 ms 632 KB Output is correct
50 Correct 492 ms 5160 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 79 ms 1272 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 632 KB Output is correct
2 Correct 4 ms 632 KB Output is correct
3 Correct 2 ms 508 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 5 ms 888 KB Output is correct
6 Correct 4 ms 760 KB Output is correct
7 Correct 3 ms 760 KB Output is correct
8 Correct 5 ms 888 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 4 ms 504 KB Output is correct
11 Correct 8 ms 888 KB Output is correct
12 Correct 8 ms 888 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 8 ms 892 KB Output is correct
15 Correct 7 ms 760 KB Output is correct
16 Correct 8 ms 892 KB Output is correct
17 Correct 5 ms 764 KB Output is correct
18 Correct 7 ms 760 KB Output is correct
19 Correct 7 ms 760 KB Output is correct
20 Correct 4 ms 508 KB Output is correct
21 Correct 39 ms 1784 KB Output is correct
22 Correct 47 ms 1784 KB Output is correct
23 Correct 25 ms 1528 KB Output is correct
24 Correct 64 ms 2040 KB Output is correct
25 Correct 14 ms 760 KB Output is correct
26 Correct 15 ms 760 KB Output is correct
27 Correct 14 ms 760 KB Output is correct
28 Correct 9 ms 632 KB Output is correct
29 Correct 9 ms 632 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 44 ms 1556 KB Output is correct
32 Correct 71 ms 2040 KB Output is correct
33 Correct 6 ms 504 KB Output is correct
34 Correct 6 ms 504 KB Output is correct
35 Correct 9 ms 636 KB Output is correct
36 Correct 81 ms 2396 KB Output is correct
37 Correct 156 ms 2356 KB Output is correct
38 Correct 166 ms 2544 KB Output is correct
39 Correct 11 ms 632 KB Output is correct
40 Correct 560 ms 5488 KB Output is correct
41 Correct 11 ms 504 KB Output is correct
42 Correct 435 ms 4572 KB Output is correct
43 Correct 120 ms 1828 KB Output is correct
44 Correct 122 ms 1764 KB Output is correct
45 Correct 122 ms 1912 KB Output is correct
46 Correct 539 ms 5340 KB Output is correct
47 Correct 427 ms 4620 KB Output is correct
48 Correct 42 ms 1016 KB Output is correct
49 Correct 22 ms 632 KB Output is correct
50 Correct 492 ms 5160 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 79 ms 1272 KB Output is correct
53 Correct 544 ms 4944 KB Output is correct
54 Correct 657 ms 5112 KB Output is correct
55 Correct 134 ms 1624 KB Output is correct
56 Correct 629 ms 5496 KB Output is correct
57 Correct 153 ms 1784 KB Output is correct
58 Correct 958 ms 6928 KB Output is correct
59 Correct 554 ms 4440 KB Output is correct
60 Correct 2 ms 376 KB Output is correct
61 Correct 564 ms 4472 KB Output is correct
62 Correct 299 ms 2892 KB Output is correct
63 Correct 184 ms 2040 KB Output is correct
64 Correct 180 ms 2052 KB Output is correct
65 Correct 46 ms 892 KB Output is correct
66 Correct 174 ms 1916 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 632 KB Output is correct
2 Correct 4 ms 632 KB Output is correct
3 Correct 2 ms 508 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 5 ms 888 KB Output is correct
6 Correct 4 ms 760 KB Output is correct
7 Correct 3 ms 760 KB Output is correct
8 Correct 5 ms 888 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 4 ms 504 KB Output is correct
11 Correct 8 ms 888 KB Output is correct
12 Correct 8 ms 888 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 8 ms 892 KB Output is correct
15 Correct 7 ms 760 KB Output is correct
16 Correct 8 ms 892 KB Output is correct
17 Correct 5 ms 764 KB Output is correct
18 Correct 7 ms 760 KB Output is correct
19 Correct 7 ms 760 KB Output is correct
20 Correct 4 ms 508 KB Output is correct
21 Correct 39 ms 1784 KB Output is correct
22 Correct 47 ms 1784 KB Output is correct
23 Correct 25 ms 1528 KB Output is correct
24 Correct 64 ms 2040 KB Output is correct
25 Correct 14 ms 760 KB Output is correct
26 Correct 15 ms 760 KB Output is correct
27 Correct 14 ms 760 KB Output is correct
28 Correct 9 ms 632 KB Output is correct
29 Correct 9 ms 632 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 44 ms 1556 KB Output is correct
32 Correct 71 ms 2040 KB Output is correct
33 Correct 6 ms 504 KB Output is correct
34 Correct 6 ms 504 KB Output is correct
35 Correct 9 ms 636 KB Output is correct
36 Correct 81 ms 2396 KB Output is correct
37 Correct 156 ms 2356 KB Output is correct
38 Correct 166 ms 2544 KB Output is correct
39 Correct 11 ms 632 KB Output is correct
40 Correct 560 ms 5488 KB Output is correct
41 Correct 11 ms 504 KB Output is correct
42 Correct 435 ms 4572 KB Output is correct
43 Correct 120 ms 1828 KB Output is correct
44 Correct 122 ms 1764 KB Output is correct
45 Correct 122 ms 1912 KB Output is correct
46 Correct 539 ms 5340 KB Output is correct
47 Correct 427 ms 4620 KB Output is correct
48 Correct 42 ms 1016 KB Output is correct
49 Correct 22 ms 632 KB Output is correct
50 Correct 492 ms 5160 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 79 ms 1272 KB Output is correct
53 Correct 544 ms 4944 KB Output is correct
54 Correct 657 ms 5112 KB Output is correct
55 Correct 134 ms 1624 KB Output is correct
56 Correct 629 ms 5496 KB Output is correct
57 Correct 153 ms 1784 KB Output is correct
58 Correct 958 ms 6928 KB Output is correct
59 Correct 554 ms 4440 KB Output is correct
60 Correct 2 ms 376 KB Output is correct
61 Correct 564 ms 4472 KB Output is correct
62 Correct 299 ms 2892 KB Output is correct
63 Correct 184 ms 2040 KB Output is correct
64 Correct 180 ms 2052 KB Output is correct
65 Correct 46 ms 892 KB Output is correct
66 Correct 174 ms 1916 KB Output is correct
67 Execution timed out 1080 ms 6824 KB Time limit exceeded
68 Halted 0 ms 0 KB -