oj.uz

Submission #173204

# Submission time Handle Problem Language Result Execution time Memory
173204 2020-01-03T14:57:48 Z DeD_TihoN Bootfall (IZhO17_bootfall) C++14
44 / 100
 671 ms 5400 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=100000+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 2 ms 376 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 3 ms 504 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 504 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 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 3 ms 504 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 504 KB Output is correct
10 Correct 7 ms 764 KB Output is correct
11 Correct 7 ms 760 KB Output is correct
12 Correct 7 ms 760 KB Output is correct
13 Correct 6 ms 632 KB Output is correct
14 Correct 7 ms 760 KB Output is correct
15 Correct 7 ms 760 KB Output is correct
16 Correct 7 ms 760 KB Output is correct
17 Correct 4 ms 632 KB Output is correct
18 Correct 6 ms 632 KB Output is correct
19 Correct 6 ms 760 KB Output is correct
20 Correct 7 ms 760 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 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 3 ms 504 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 504 KB Output is correct
10 Correct 7 ms 764 KB Output is correct
11 Correct 7 ms 760 KB Output is correct
12 Correct 7 ms 760 KB Output is correct
13 Correct 6 ms 632 KB Output is correct
14 Correct 7 ms 760 KB Output is correct
15 Correct 7 ms 760 KB Output is correct
16 Correct 7 ms 760 KB Output is correct
17 Correct 4 ms 632 KB Output is correct
18 Correct 6 ms 632 KB Output is correct
19 Correct 6 ms 760 KB Output is correct
20 Correct 7 ms 760 KB Output is correct
21 Correct 24 ms 1152 KB Output is correct
22 Correct 31 ms 1356 KB Output is correct
23 Correct 16 ms 1016 KB Output is correct
24 Correct 50 ms 1528 KB Output is correct
25 Correct 49 ms 1656 KB Output is correct
26 Correct 55 ms 1656 KB Output is correct
27 Correct 54 ms 1656 KB Output is correct
28 Correct 54 ms 1656 KB Output is correct
29 Correct 54 ms 1656 KB Output is correct
30 Correct 53 ms 1656 KB Output is correct
31 Correct 55 ms 1656 KB Output is correct
32 Correct 56 ms 1684 KB Output is correct
33 Correct 53 ms 1656 KB Output is correct
34 Correct 54 ms 1540 KB Output is correct
35 Correct 56 ms 1656 KB Output is correct
36 Correct 55 ms 1656 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 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 3 ms 504 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 504 KB Output is correct
10 Correct 7 ms 764 KB Output is correct
11 Correct 7 ms 760 KB Output is correct
12 Correct 7 ms 760 KB Output is correct
13 Correct 6 ms 632 KB Output is correct
14 Correct 7 ms 760 KB Output is correct
15 Correct 7 ms 760 KB Output is correct
16 Correct 7 ms 760 KB Output is correct
17 Correct 4 ms 632 KB Output is correct
18 Correct 6 ms 632 KB Output is correct
19 Correct 6 ms 760 KB Output is correct
20 Correct 7 ms 760 KB Output is correct
21 Correct 24 ms 1152 KB Output is correct
22 Correct 31 ms 1356 KB Output is correct
23 Correct 16 ms 1016 KB Output is correct
24 Correct 50 ms 1528 KB Output is correct
25 Correct 49 ms 1656 KB Output is correct
26 Correct 55 ms 1656 KB Output is correct
27 Correct 54 ms 1656 KB Output is correct
28 Correct 54 ms 1656 KB Output is correct
29 Correct 54 ms 1656 KB Output is correct
30 Correct 53 ms 1656 KB Output is correct
31 Correct 55 ms 1656 KB Output is correct
32 Correct 56 ms 1684 KB Output is correct
33 Correct 53 ms 1656 KB Output is correct
34 Correct 54 ms 1540 KB Output is correct
35 Correct 56 ms 1656 KB Output is correct
36 Correct 55 ms 1656 KB Output is correct
37 Correct 212 ms 2948 KB Output is correct
38 Correct 217 ms 2936 KB Output is correct
39 Correct 311 ms 3536 KB Output is correct
40 Correct 393 ms 3904 KB Output is correct
41 Correct 377 ms 3832 KB Output is correct
42 Correct 337 ms 3704 KB Output is correct
43 Correct 324 ms 3832 KB Output is correct
44 Correct 352 ms 3856 KB Output is correct
45 Correct 348 ms 3832 KB Output is correct
46 Correct 367 ms 3660 KB Output is correct
47 Correct 331 ms 3704 KB Output is correct
48 Correct 344 ms 3784 KB Output is correct
49 Correct 329 ms 3576 KB Output is correct
50 Correct 331 ms 3688 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 405 ms 4136 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 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 3 ms 504 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 504 KB Output is correct
10 Correct 7 ms 764 KB Output is correct
11 Correct 7 ms 760 KB Output is correct
12 Correct 7 ms 760 KB Output is correct
13 Correct 6 ms 632 KB Output is correct
14 Correct 7 ms 760 KB Output is correct
15 Correct 7 ms 760 KB Output is correct
16 Correct 7 ms 760 KB Output is correct
17 Correct 4 ms 632 KB Output is correct
18 Correct 6 ms 632 KB Output is correct
19 Correct 6 ms 760 KB Output is correct
20 Correct 7 ms 760 KB Output is correct
21 Correct 24 ms 1152 KB Output is correct
22 Correct 31 ms 1356 KB Output is correct
23 Correct 16 ms 1016 KB Output is correct
24 Correct 50 ms 1528 KB Output is correct
25 Correct 49 ms 1656 KB Output is correct
26 Correct 55 ms 1656 KB Output is correct
27 Correct 54 ms 1656 KB Output is correct
28 Correct 54 ms 1656 KB Output is correct
29 Correct 54 ms 1656 KB Output is correct
30 Correct 53 ms 1656 KB Output is correct
31 Correct 55 ms 1656 KB Output is correct
32 Correct 56 ms 1684 KB Output is correct
33 Correct 53 ms 1656 KB Output is correct
34 Correct 54 ms 1540 KB Output is correct
35 Correct 56 ms 1656 KB Output is correct
36 Correct 55 ms 1656 KB Output is correct
37 Correct 212 ms 2948 KB Output is correct
38 Correct 217 ms 2936 KB Output is correct
39 Correct 311 ms 3536 KB Output is correct
40 Correct 393 ms 3904 KB Output is correct
41 Correct 377 ms 3832 KB Output is correct
42 Correct 337 ms 3704 KB Output is correct
43 Correct 324 ms 3832 KB Output is correct
44 Correct 352 ms 3856 KB Output is correct
45 Correct 348 ms 3832 KB Output is correct
46 Correct 367 ms 3660 KB Output is correct
47 Correct 331 ms 3704 KB Output is correct
48 Correct 344 ms 3784 KB Output is correct
49 Correct 329 ms 3576 KB Output is correct
50 Correct 331 ms 3688 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 405 ms 4136 KB Output is correct
53 Correct 489 ms 4488 KB Output is correct
54 Correct 650 ms 5260 KB Output is correct
55 Incorrect 671 ms 5400 KB Output isn't correct
56 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 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 3 ms 504 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 504 KB Output is correct
10 Correct 7 ms 764 KB Output is correct
11 Correct 7 ms 760 KB Output is correct
12 Correct 7 ms 760 KB Output is correct
13 Correct 6 ms 632 KB Output is correct
14 Correct 7 ms 760 KB Output is correct
15 Correct 7 ms 760 KB Output is correct
16 Correct 7 ms 760 KB Output is correct
17 Correct 4 ms 632 KB Output is correct
18 Correct 6 ms 632 KB Output is correct
19 Correct 6 ms 760 KB Output is correct
20 Correct 7 ms 760 KB Output is correct
21 Correct 24 ms 1152 KB Output is correct
22 Correct 31 ms 1356 KB Output is correct
23 Correct 16 ms 1016 KB Output is correct
24 Correct 50 ms 1528 KB Output is correct
25 Correct 49 ms 1656 KB Output is correct
26 Correct 55 ms 1656 KB Output is correct
27 Correct 54 ms 1656 KB Output is correct
28 Correct 54 ms 1656 KB Output is correct
29 Correct 54 ms 1656 KB Output is correct
30 Correct 53 ms 1656 KB Output is correct
31 Correct 55 ms 1656 KB Output is correct
32 Correct 56 ms 1684 KB Output is correct
33 Correct 53 ms 1656 KB Output is correct
34 Correct 54 ms 1540 KB Output is correct
35 Correct 56 ms 1656 KB Output is correct
36 Correct 55 ms 1656 KB Output is correct
37 Correct 212 ms 2948 KB Output is correct
38 Correct 217 ms 2936 KB Output is correct
39 Correct 311 ms 3536 KB Output is correct
40 Correct 393 ms 3904 KB Output is correct
41 Correct 377 ms 3832 KB Output is correct
42 Correct 337 ms 3704 KB Output is correct
43 Correct 324 ms 3832 KB Output is correct
44 Correct 352 ms 3856 KB Output is correct
45 Correct 348 ms 3832 KB Output is correct
46 Correct 367 ms 3660 KB Output is correct
47 Correct 331 ms 3704 KB Output is correct
48 Correct 344 ms 3784 KB Output is correct
49 Correct 329 ms 3576 KB Output is correct
50 Correct 331 ms 3688 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 405 ms 4136 KB Output is correct
53 Correct 489 ms 4488 KB Output is correct
54 Correct 650 ms 5260 KB Output is correct
55 Incorrect 671 ms 5400 KB Output isn't correct
56 Halted 0 ms 0 KB -