oj.uz

Submission #535422

# Submission time Handle Problem Language Result Execution time Memory
535422 2022-03-10T09:15:42 Z i_am_noob Bootfall (IZhO17_bootfall) C++17
100 / 100
 851 ms 9540 KB 
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("Ofast,unroll-loops")

#define ll long long
#define int ll
#define ull unsigned ll
#define ld long double
#define rep(a) rep1(i,a)
#define rep1(i,a) rep2(i,0,a)
#define rep2(i,b,a) for(int i=(b); i<((int)(a)); i++)
#define rep3(i,b,a) for(int i=(b); i>=((int)(a)); i--)
#define chkmin(a,b) (a=min(a,b))
#define chkmax(a,b) (a=max(a,b))
#define all(a) a.begin(),a.end()
#define pii pair<int,int>
#define pb push_back
//#define inf 1010000000
#define inf 4000000000000000000
#define eps 1e-9
#define sz(a) ((int)a.size())
#define pow2(x) (1ll<<(x))
#define ceiling(a,b) (((a)+(b)-1)/(b))
#define print0(a) cout << (a) << ' '
#define ykh mt19937 rng(chrono::steady_clock::now().time_since_epoch().count())
#ifdef i_am_noob
#define bug(...) cerr << "#" << __LINE__ << ' ' << #__VA_ARGS__ << "- ", _do(__VA_ARGS__)
template<typename T> void _do(T && x) {cerr << x << endl;}
template<typename T, typename ...S> void _do(T && x, S&&...y) {cerr << x << ", "; _do(y...);}
#else
#define bug(...) 777771449
#endif

const int mod=1000000007;
const int maxn=505,maxm=18,maxk=7777714;

//i_am_noob
int n,a[maxn],sum;
bitset<maxn*maxn> bs[maxn];
bool vis[maxn];

void orzck(){
    cin >> n;
    rep(n) cin >> a[i];
    sum=accumulate(a,a+n,0ll);
    bitset<maxn*maxn> b;
    b[0]=1;
    rep(n) b|=b<<a[i];
    if((sum&1)||!b[sum/2]){
        cout << "0\n";
        return;
    }
    rep(n) if((a[0]+a[i])&1){
        cout << "0\n";
        return;
    }
    b.set();
    rep(n) if(!vis[a[i]]){
        bs[i][0]=1;
        rep1(j,n) if(i!=j) bs[i]|=bs[i]<<a[j];
        bs[i]<<=a[i]/2;
        vis[a[i]]=1;
        b&=bs[i];
    }
    vector<int> res;
    rep2(i,1,sum+1) if((i+a[0])%2==0){
        if(b[(sum+i)/2]) res.pb(i);
    }
    cout << sz(res) << "\n";
    for(auto i: res) cout << i << ' ';
    cout << "\n";
}

signed main(){
    ios_base::sync_with_stdio(0),cin.tie(0);
    orzck();
    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 2 ms 724 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 340 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 2 ms 724 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 3 ms 724 KB Output is correct
12 Correct 3 ms 724 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 724 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 3 ms 724 KB Output is correct
17 Correct 2 ms 596 KB Output is correct
18 Correct 3 ms 708 KB Output is correct
19 Correct 2 ms 596 KB Output is correct
20 Correct 1 ms 340 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 2 ms 724 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 3 ms 724 KB Output is correct
12 Correct 3 ms 724 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 724 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 3 ms 724 KB Output is correct
17 Correct 2 ms 596 KB Output is correct
18 Correct 3 ms 708 KB Output is correct
19 Correct 2 ms 596 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 15 ms 1568 KB Output is correct
22 Correct 20 ms 1628 KB Output is correct
23 Correct 11 ms 1384 KB Output is correct
24 Correct 35 ms 1724 KB Output is correct
25 Correct 5 ms 596 KB Output is correct
26 Correct 8 ms 596 KB Output is correct
27 Correct 6 ms 596 KB Output is correct
28 Correct 4 ms 468 KB Output is correct
29 Correct 4 ms 468 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 17 ms 1236 KB Output is correct
32 Correct 29 ms 1868 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 3 ms 468 KB Output is correct
36 Correct 35 ms 2084 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 2 ms 724 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 3 ms 724 KB Output is correct
12 Correct 3 ms 724 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 724 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 3 ms 724 KB Output is correct
17 Correct 2 ms 596 KB Output is correct
18 Correct 3 ms 708 KB Output is correct
19 Correct 2 ms 596 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 15 ms 1568 KB Output is correct
22 Correct 20 ms 1628 KB Output is correct
23 Correct 11 ms 1384 KB Output is correct
24 Correct 35 ms 1724 KB Output is correct
25 Correct 5 ms 596 KB Output is correct
26 Correct 8 ms 596 KB Output is correct
27 Correct 6 ms 596 KB Output is correct
28 Correct 4 ms 468 KB Output is correct
29 Correct 4 ms 468 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 17 ms 1236 KB Output is correct
32 Correct 29 ms 1868 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 3 ms 468 KB Output is correct
36 Correct 35 ms 2084 KB Output is correct
37 Correct 80 ms 2248 KB Output is correct
38 Correct 68 ms 2320 KB Output is correct
39 Correct 4 ms 340 KB Output is correct
40 Correct 245 ms 5192 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 178 ms 4348 KB Output is correct
43 Correct 51 ms 1700 KB Output is correct
44 Correct 46 ms 1656 KB Output is correct
45 Correct 48 ms 1616 KB Output is correct
46 Correct 234 ms 4780 KB Output is correct
47 Correct 226 ms 4268 KB Output is correct
48 Correct 12 ms 984 KB Output is correct
49 Correct 7 ms 636 KB Output is correct
50 Correct 236 ms 4864 KB Output is correct
51 Correct 2 ms 340 KB Output is correct
52 Correct 23 ms 1240 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 2 ms 724 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 3 ms 724 KB Output is correct
12 Correct 3 ms 724 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 724 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 3 ms 724 KB Output is correct
17 Correct 2 ms 596 KB Output is correct
18 Correct 3 ms 708 KB Output is correct
19 Correct 2 ms 596 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 15 ms 1568 KB Output is correct
22 Correct 20 ms 1628 KB Output is correct
23 Correct 11 ms 1384 KB Output is correct
24 Correct 35 ms 1724 KB Output is correct
25 Correct 5 ms 596 KB Output is correct
26 Correct 8 ms 596 KB Output is correct
27 Correct 6 ms 596 KB Output is correct
28 Correct 4 ms 468 KB Output is correct
29 Correct 4 ms 468 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 17 ms 1236 KB Output is correct
32 Correct 29 ms 1868 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 3 ms 468 KB Output is correct
36 Correct 35 ms 2084 KB Output is correct
37 Correct 80 ms 2248 KB Output is correct
38 Correct 68 ms 2320 KB Output is correct
39 Correct 4 ms 340 KB Output is correct
40 Correct 245 ms 5192 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 178 ms 4348 KB Output is correct
43 Correct 51 ms 1700 KB Output is correct
44 Correct 46 ms 1656 KB Output is correct
45 Correct 48 ms 1616 KB Output is correct
46 Correct 234 ms 4780 KB Output is correct
47 Correct 226 ms 4268 KB Output is correct
48 Correct 12 ms 984 KB Output is correct
49 Correct 7 ms 636 KB Output is correct
50 Correct 236 ms 4864 KB Output is correct
51 Correct 2 ms 340 KB Output is correct
52 Correct 23 ms 1240 KB Output is correct
53 Correct 224 ms 4652 KB Output is correct
54 Correct 280 ms 4936 KB Output is correct
55 Correct 41 ms 1740 KB Output is correct
56 Correct 262 ms 5128 KB Output is correct
57 Correct 42 ms 1720 KB Output is correct
58 Correct 420 ms 6660 KB Output is correct
59 Correct 231 ms 4332 KB Output is correct
60 Correct 3 ms 340 KB Output is correct
61 Correct 227 ms 4368 KB Output is correct
62 Correct 108 ms 2740 KB Output is correct
63 Correct 59 ms 2012 KB Output is correct
64 Correct 59 ms 1984 KB Output is correct
65 Correct 18 ms 596 KB Output is correct
66 Correct 71 ms 1656 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 2 ms 724 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 3 ms 724 KB Output is correct
12 Correct 3 ms 724 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 724 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 3 ms 724 KB Output is correct
17 Correct 2 ms 596 KB Output is correct
18 Correct 3 ms 708 KB Output is correct
19 Correct 2 ms 596 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 15 ms 1568 KB Output is correct
22 Correct 20 ms 1628 KB Output is correct
23 Correct 11 ms 1384 KB Output is correct
24 Correct 35 ms 1724 KB Output is correct
25 Correct 5 ms 596 KB Output is correct
26 Correct 8 ms 596 KB Output is correct
27 Correct 6 ms 596 KB Output is correct
28 Correct 4 ms 468 KB Output is correct
29 Correct 4 ms 468 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 17 ms 1236 KB Output is correct
32 Correct 29 ms 1868 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 3 ms 468 KB Output is correct
36 Correct 35 ms 2084 KB Output is correct
37 Correct 80 ms 2248 KB Output is correct
38 Correct 68 ms 2320 KB Output is correct
39 Correct 4 ms 340 KB Output is correct
40 Correct 245 ms 5192 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 178 ms 4348 KB Output is correct
43 Correct 51 ms 1700 KB Output is correct
44 Correct 46 ms 1656 KB Output is correct
45 Correct 48 ms 1616 KB Output is correct
46 Correct 234 ms 4780 KB Output is correct
47 Correct 226 ms 4268 KB Output is correct
48 Correct 12 ms 984 KB Output is correct
49 Correct 7 ms 636 KB Output is correct
50 Correct 236 ms 4864 KB Output is correct
51 Correct 2 ms 340 KB Output is correct
52 Correct 23 ms 1240 KB Output is correct
53 Correct 224 ms 4652 KB Output is correct
54 Correct 280 ms 4936 KB Output is correct
55 Correct 41 ms 1740 KB Output is correct
56 Correct 262 ms 5128 KB Output is correct
57 Correct 42 ms 1720 KB Output is correct
58 Correct 420 ms 6660 KB Output is correct
59 Correct 231 ms 4332 KB Output is correct
60 Correct 3 ms 340 KB Output is correct
61 Correct 227 ms 4368 KB Output is correct
62 Correct 108 ms 2740 KB Output is correct
63 Correct 59 ms 2012 KB Output is correct
64 Correct 59 ms 1984 KB Output is correct
65 Correct 18 ms 596 KB Output is correct
66 Correct 71 ms 1656 KB Output is correct
67 Correct 518 ms 8040 KB Output is correct
68 Correct 3 ms 340 KB Output is correct
69 Correct 95 ms 2796 KB Output is correct
70 Correct 804 ms 9540 KB Output is correct
71 Correct 851 ms 9540 KB Output is correct
72 Correct 4 ms 340 KB Output is correct
73 Correct 4 ms 420 KB Output is correct
74 Correct 197 ms 3868 KB Output is correct
75 Correct 449 ms 6496 KB Output is correct
76 Correct 65 ms 2376 KB Output is correct
77 Correct 99 ms 2944 KB Output is correct