oj.uz

Submission #173208

# Submission time Handle Problem Language Result Execution time Memory
173208 2020-01-03T15:10:57 Z DeD_TihoN Bootfall (IZhO17_bootfall) C++14
65 / 100
 576 ms 4784 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=125250+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;
    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){
        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:101:19: 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 2 ms 504 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 4 ms 632 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 4 ms 632 KB Output is correct
9 Correct 3 ms 632 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 4 ms 632 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 4 ms 632 KB Output is correct
9 Correct 3 ms 632 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 5 ms 632 KB Output is correct
12 Correct 5 ms 632 KB Output is correct
13 Correct 5 ms 632 KB Output is correct
14 Correct 5 ms 632 KB Output is correct
15 Correct 4 ms 632 KB Output is correct
16 Correct 5 ms 632 KB Output is correct
17 Correct 1 ms 504 KB Output is correct
18 Correct 4 ms 632 KB Output is correct
19 Correct 4 ms 632 KB Output is correct
20 Correct 3 ms 376 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 4 ms 632 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 4 ms 632 KB Output is correct
9 Correct 3 ms 632 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 5 ms 632 KB Output is correct
12 Correct 5 ms 632 KB Output is correct
13 Correct 5 ms 632 KB Output is correct
14 Correct 5 ms 632 KB Output is correct
15 Correct 4 ms 632 KB Output is correct
16 Correct 5 ms 632 KB Output is correct
17 Correct 1 ms 504 KB Output is correct
18 Correct 4 ms 632 KB Output is correct
19 Correct 4 ms 632 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 18 ms 1144 KB Output is correct
22 Correct 22 ms 1144 KB Output is correct
23 Correct 13 ms 1016 KB Output is correct
24 Correct 30 ms 1400 KB Output is correct
25 Correct 8 ms 632 KB Output is correct
26 Correct 8 ms 632 KB Output is correct
27 Correct 8 ms 620 KB Output is correct
28 Correct 6 ms 504 KB Output is correct
29 Correct 6 ms 508 KB Output is correct
30 Correct 45 ms 1528 KB Output is correct
31 Correct 21 ms 1016 KB Output is correct
32 Correct 33 ms 1272 KB Output is correct
33 Correct 4 ms 376 KB Output is correct
34 Correct 4 ms 376 KB Output is correct
35 Correct 5 ms 532 KB Output is correct
36 Correct 37 ms 1400 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 4 ms 632 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 4 ms 632 KB Output is correct
9 Correct 3 ms 632 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 5 ms 632 KB Output is correct
12 Correct 5 ms 632 KB Output is correct
13 Correct 5 ms 632 KB Output is correct
14 Correct 5 ms 632 KB Output is correct
15 Correct 4 ms 632 KB Output is correct
16 Correct 5 ms 632 KB Output is correct
17 Correct 1 ms 504 KB Output is correct
18 Correct 4 ms 632 KB Output is correct
19 Correct 4 ms 632 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 18 ms 1144 KB Output is correct
22 Correct 22 ms 1144 KB Output is correct
23 Correct 13 ms 1016 KB Output is correct
24 Correct 30 ms 1400 KB Output is correct
25 Correct 8 ms 632 KB Output is correct
26 Correct 8 ms 632 KB Output is correct
27 Correct 8 ms 620 KB Output is correct
28 Correct 6 ms 504 KB Output is correct
29 Correct 6 ms 508 KB Output is correct
30 Correct 45 ms 1528 KB Output is correct
31 Correct 21 ms 1016 KB Output is correct
32 Correct 33 ms 1272 KB Output is correct
33 Correct 4 ms 376 KB Output is correct
34 Correct 4 ms 376 KB Output is correct
35 Correct 5 ms 532 KB Output is correct
36 Correct 37 ms 1400 KB Output is correct
37 Correct 73 ms 1552 KB Output is correct
38 Correct 79 ms 1640 KB Output is correct
39 Correct 6 ms 508 KB Output is correct
40 Correct 255 ms 3264 KB Output is correct
41 Correct 6 ms 376 KB Output is correct
42 Correct 196 ms 2808 KB Output is correct
43 Correct 66 ms 1272 KB Output is correct
44 Correct 67 ms 1272 KB Output is correct
45 Correct 68 ms 1272 KB Output is correct
46 Correct 231 ms 3064 KB Output is correct
47 Correct 197 ms 2772 KB Output is correct
48 Correct 29 ms 788 KB Output is correct
49 Correct 13 ms 508 KB Output is correct
50 Correct 220 ms 3204 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 51 ms 1028 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 4 ms 632 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 4 ms 632 KB Output is correct
9 Correct 3 ms 632 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 5 ms 632 KB Output is correct
12 Correct 5 ms 632 KB Output is correct
13 Correct 5 ms 632 KB Output is correct
14 Correct 5 ms 632 KB Output is correct
15 Correct 4 ms 632 KB Output is correct
16 Correct 5 ms 632 KB Output is correct
17 Correct 1 ms 504 KB Output is correct
18 Correct 4 ms 632 KB Output is correct
19 Correct 4 ms 632 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 18 ms 1144 KB Output is correct
22 Correct 22 ms 1144 KB Output is correct
23 Correct 13 ms 1016 KB Output is correct
24 Correct 30 ms 1400 KB Output is correct
25 Correct 8 ms 632 KB Output is correct
26 Correct 8 ms 632 KB Output is correct
27 Correct 8 ms 620 KB Output is correct
28 Correct 6 ms 504 KB Output is correct
29 Correct 6 ms 508 KB Output is correct
30 Correct 45 ms 1528 KB Output is correct
31 Correct 21 ms 1016 KB Output is correct
32 Correct 33 ms 1272 KB Output is correct
33 Correct 4 ms 376 KB Output is correct
34 Correct 4 ms 376 KB Output is correct
35 Correct 5 ms 532 KB Output is correct
36 Correct 37 ms 1400 KB Output is correct
37 Correct 73 ms 1552 KB Output is correct
38 Correct 79 ms 1640 KB Output is correct
39 Correct 6 ms 508 KB Output is correct
40 Correct 255 ms 3264 KB Output is correct
41 Correct 6 ms 376 KB Output is correct
42 Correct 196 ms 2808 KB Output is correct
43 Correct 66 ms 1272 KB Output is correct
44 Correct 67 ms 1272 KB Output is correct
45 Correct 68 ms 1272 KB Output is correct
46 Correct 231 ms 3064 KB Output is correct
47 Correct 197 ms 2772 KB Output is correct
48 Correct 29 ms 788 KB Output is correct
49 Correct 13 ms 508 KB Output is correct
50 Correct 220 ms 3204 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 51 ms 1028 KB Output is correct
53 Correct 250 ms 3024 KB Output is correct
54 Correct 316 ms 3108 KB Output is correct
55 Correct 93 ms 1272 KB Output is correct
56 Correct 292 ms 3292 KB Output is correct
57 Correct 103 ms 1400 KB Output is correct
58 Correct 442 ms 4216 KB Output is correct
59 Correct 269 ms 2812 KB Output is correct
60 Correct 2 ms 376 KB Output is correct
61 Correct 278 ms 3036 KB Output is correct
62 Correct 161 ms 2036 KB Output is correct
63 Correct 111 ms 1628 KB Output is correct
64 Correct 108 ms 1528 KB Output is correct
65 Correct 22 ms 632 KB Output is correct
66 Correct 81 ms 1272 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 4 ms 632 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 4 ms 632 KB Output is correct
9 Correct 3 ms 632 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 5 ms 632 KB Output is correct
12 Correct 5 ms 632 KB Output is correct
13 Correct 5 ms 632 KB Output is correct
14 Correct 5 ms 632 KB Output is correct
15 Correct 4 ms 632 KB Output is correct
16 Correct 5 ms 632 KB Output is correct
17 Correct 1 ms 504 KB Output is correct
18 Correct 4 ms 632 KB Output is correct
19 Correct 4 ms 632 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 18 ms 1144 KB Output is correct
22 Correct 22 ms 1144 KB Output is correct
23 Correct 13 ms 1016 KB Output is correct
24 Correct 30 ms 1400 KB Output is correct
25 Correct 8 ms 632 KB Output is correct
26 Correct 8 ms 632 KB Output is correct
27 Correct 8 ms 620 KB Output is correct
28 Correct 6 ms 504 KB Output is correct
29 Correct 6 ms 508 KB Output is correct
30 Correct 45 ms 1528 KB Output is correct
31 Correct 21 ms 1016 KB Output is correct
32 Correct 33 ms 1272 KB Output is correct
33 Correct 4 ms 376 KB Output is correct
34 Correct 4 ms 376 KB Output is correct
35 Correct 5 ms 532 KB Output is correct
36 Correct 37 ms 1400 KB Output is correct
37 Correct 73 ms 1552 KB Output is correct
38 Correct 79 ms 1640 KB Output is correct
39 Correct 6 ms 508 KB Output is correct
40 Correct 255 ms 3264 KB Output is correct
41 Correct 6 ms 376 KB Output is correct
42 Correct 196 ms 2808 KB Output is correct
43 Correct 66 ms 1272 KB Output is correct
44 Correct 67 ms 1272 KB Output is correct
45 Correct 68 ms 1272 KB Output is correct
46 Correct 231 ms 3064 KB Output is correct
47 Correct 197 ms 2772 KB Output is correct
48 Correct 29 ms 788 KB Output is correct
49 Correct 13 ms 508 KB Output is correct
50 Correct 220 ms 3204 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 51 ms 1028 KB Output is correct
53 Correct 250 ms 3024 KB Output is correct
54 Correct 316 ms 3108 KB Output is correct
55 Correct 93 ms 1272 KB Output is correct
56 Correct 292 ms 3292 KB Output is correct
57 Correct 103 ms 1400 KB Output is correct
58 Correct 442 ms 4216 KB Output is correct
59 Correct 269 ms 2812 KB Output is correct
60 Correct 2 ms 376 KB Output is correct
61 Correct 278 ms 3036 KB Output is correct
62 Correct 161 ms 2036 KB Output is correct
63 Correct 111 ms 1628 KB Output is correct
64 Correct 108 ms 1528 KB Output is correct
65 Correct 22 ms 632 KB Output is correct
66 Correct 81 ms 1272 KB Output is correct
67 Correct 576 ms 4784 KB Output is correct
68 Correct 5 ms 376 KB Output is correct
69 Incorrect 122 ms 1400 KB Output isn't correct
70 Halted 0 ms 0 KB -