Submission #535410

# Submission time Handle Problem Language Result Execution time Memory
535410 2022-03-10T08:48:49 Z i_am_noob Bootfall (IZhO17_bootfall) C++17
65 / 100
1000 ms 12708 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];

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;
    }
    rep(n){
        bs[i][0]=1;
        rep1(j,n) if(i!=j) bs[i]|=bs[i]<<a[j];
        bs[i]<<=a[i]/2;
    }
    b.set();
    rep(n) 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;
}
# 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 1 ms 468 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 596 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
# 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 1 ms 468 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 596 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 7 ms 1236 KB Output is correct
11 Correct 7 ms 1336 KB Output is correct
12 Correct 7 ms 1236 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 7 ms 1176 KB Output is correct
15 Correct 10 ms 1236 KB Output is correct
16 Correct 7 ms 1236 KB Output is correct
17 Correct 3 ms 980 KB Output is correct
18 Correct 5 ms 1120 KB Output is correct
19 Correct 6 ms 1108 KB Output is correct
20 Correct 8 ms 1236 KB Output is correct
# 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 1 ms 468 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 596 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 7 ms 1236 KB Output is correct
11 Correct 7 ms 1336 KB Output is correct
12 Correct 7 ms 1236 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 7 ms 1176 KB Output is correct
15 Correct 10 ms 1236 KB Output is correct
16 Correct 7 ms 1236 KB Output is correct
17 Correct 3 ms 980 KB Output is correct
18 Correct 5 ms 1120 KB Output is correct
19 Correct 6 ms 1108 KB Output is correct
20 Correct 8 ms 1236 KB Output is correct
21 Correct 32 ms 2548 KB Output is correct
22 Correct 37 ms 2744 KB Output is correct
23 Correct 18 ms 1984 KB Output is correct
24 Correct 80 ms 3276 KB Output is correct
25 Correct 64 ms 3352 KB Output is correct
26 Correct 90 ms 3532 KB Output is correct
27 Correct 66 ms 3480 KB Output is correct
28 Correct 70 ms 3544 KB Output is correct
29 Correct 84 ms 3572 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 69 ms 3600 KB Output is correct
32 Correct 69 ms 3544 KB Output is correct
33 Correct 64 ms 3416 KB Output is correct
34 Correct 70 ms 3412 KB Output is correct
35 Correct 73 ms 3524 KB Output is correct
36 Correct 69 ms 3532 KB Output is correct
# 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 1 ms 468 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 596 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 7 ms 1236 KB Output is correct
11 Correct 7 ms 1336 KB Output is correct
12 Correct 7 ms 1236 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 7 ms 1176 KB Output is correct
15 Correct 10 ms 1236 KB Output is correct
16 Correct 7 ms 1236 KB Output is correct
17 Correct 3 ms 980 KB Output is correct
18 Correct 5 ms 1120 KB Output is correct
19 Correct 6 ms 1108 KB Output is correct
20 Correct 8 ms 1236 KB Output is correct
21 Correct 32 ms 2548 KB Output is correct
22 Correct 37 ms 2744 KB Output is correct
23 Correct 18 ms 1984 KB Output is correct
24 Correct 80 ms 3276 KB Output is correct
25 Correct 64 ms 3352 KB Output is correct
26 Correct 90 ms 3532 KB Output is correct
27 Correct 66 ms 3480 KB Output is correct
28 Correct 70 ms 3544 KB Output is correct
29 Correct 84 ms 3572 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 69 ms 3600 KB Output is correct
32 Correct 69 ms 3544 KB Output is correct
33 Correct 64 ms 3416 KB Output is correct
34 Correct 70 ms 3412 KB Output is correct
35 Correct 73 ms 3524 KB Output is correct
36 Correct 69 ms 3532 KB Output is correct
37 Correct 273 ms 6920 KB Output is correct
38 Correct 266 ms 6860 KB Output is correct
39 Correct 438 ms 8100 KB Output is correct
40 Correct 502 ms 9172 KB Output is correct
41 Correct 494 ms 8768 KB Output is correct
42 Correct 397 ms 8520 KB Output is correct
43 Correct 413 ms 8428 KB Output is correct
44 Correct 409 ms 8536 KB Output is correct
45 Correct 498 ms 8668 KB Output is correct
46 Correct 482 ms 8728 KB Output is correct
47 Correct 414 ms 8536 KB Output is correct
48 Correct 430 ms 8608 KB Output is correct
49 Correct 422 ms 8272 KB Output is correct
50 Correct 479 ms 8488 KB Output is correct
51 Correct 2 ms 340 KB Output is correct
52 Correct 497 ms 9384 KB Output is correct
# 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 1 ms 468 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 596 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 7 ms 1236 KB Output is correct
11 Correct 7 ms 1336 KB Output is correct
12 Correct 7 ms 1236 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 7 ms 1176 KB Output is correct
15 Correct 10 ms 1236 KB Output is correct
16 Correct 7 ms 1236 KB Output is correct
17 Correct 3 ms 980 KB Output is correct
18 Correct 5 ms 1120 KB Output is correct
19 Correct 6 ms 1108 KB Output is correct
20 Correct 8 ms 1236 KB Output is correct
21 Correct 32 ms 2548 KB Output is correct
22 Correct 37 ms 2744 KB Output is correct
23 Correct 18 ms 1984 KB Output is correct
24 Correct 80 ms 3276 KB Output is correct
25 Correct 64 ms 3352 KB Output is correct
26 Correct 90 ms 3532 KB Output is correct
27 Correct 66 ms 3480 KB Output is correct
28 Correct 70 ms 3544 KB Output is correct
29 Correct 84 ms 3572 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 69 ms 3600 KB Output is correct
32 Correct 69 ms 3544 KB Output is correct
33 Correct 64 ms 3416 KB Output is correct
34 Correct 70 ms 3412 KB Output is correct
35 Correct 73 ms 3524 KB Output is correct
36 Correct 69 ms 3532 KB Output is correct
37 Correct 273 ms 6920 KB Output is correct
38 Correct 266 ms 6860 KB Output is correct
39 Correct 438 ms 8100 KB Output is correct
40 Correct 502 ms 9172 KB Output is correct
41 Correct 494 ms 8768 KB Output is correct
42 Correct 397 ms 8520 KB Output is correct
43 Correct 413 ms 8428 KB Output is correct
44 Correct 409 ms 8536 KB Output is correct
45 Correct 498 ms 8668 KB Output is correct
46 Correct 482 ms 8728 KB Output is correct
47 Correct 414 ms 8536 KB Output is correct
48 Correct 430 ms 8608 KB Output is correct
49 Correct 422 ms 8272 KB Output is correct
50 Correct 479 ms 8488 KB Output is correct
51 Correct 2 ms 340 KB Output is correct
52 Correct 497 ms 9384 KB Output is correct
53 Correct 606 ms 10152 KB Output is correct
54 Correct 835 ms 11896 KB Output is correct
55 Correct 830 ms 12112 KB Output is correct
56 Correct 621 ms 10460 KB Output is correct
57 Correct 817 ms 12224 KB Output is correct
58 Correct 855 ms 11872 KB Output is correct
59 Correct 804 ms 12044 KB Output is correct
60 Correct 3 ms 340 KB Output is correct
61 Correct 820 ms 12088 KB Output is correct
62 Correct 723 ms 11072 KB Output is correct
63 Correct 730 ms 11084 KB Output is correct
64 Correct 651 ms 11116 KB Output is correct
65 Correct 679 ms 10264 KB Output is correct
66 Correct 629 ms 10144 KB Output is correct
# 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 1 ms 468 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 596 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 7 ms 1236 KB Output is correct
11 Correct 7 ms 1336 KB Output is correct
12 Correct 7 ms 1236 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 7 ms 1176 KB Output is correct
15 Correct 10 ms 1236 KB Output is correct
16 Correct 7 ms 1236 KB Output is correct
17 Correct 3 ms 980 KB Output is correct
18 Correct 5 ms 1120 KB Output is correct
19 Correct 6 ms 1108 KB Output is correct
20 Correct 8 ms 1236 KB Output is correct
21 Correct 32 ms 2548 KB Output is correct
22 Correct 37 ms 2744 KB Output is correct
23 Correct 18 ms 1984 KB Output is correct
24 Correct 80 ms 3276 KB Output is correct
25 Correct 64 ms 3352 KB Output is correct
26 Correct 90 ms 3532 KB Output is correct
27 Correct 66 ms 3480 KB Output is correct
28 Correct 70 ms 3544 KB Output is correct
29 Correct 84 ms 3572 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 69 ms 3600 KB Output is correct
32 Correct 69 ms 3544 KB Output is correct
33 Correct 64 ms 3416 KB Output is correct
34 Correct 70 ms 3412 KB Output is correct
35 Correct 73 ms 3524 KB Output is correct
36 Correct 69 ms 3532 KB Output is correct
37 Correct 273 ms 6920 KB Output is correct
38 Correct 266 ms 6860 KB Output is correct
39 Correct 438 ms 8100 KB Output is correct
40 Correct 502 ms 9172 KB Output is correct
41 Correct 494 ms 8768 KB Output is correct
42 Correct 397 ms 8520 KB Output is correct
43 Correct 413 ms 8428 KB Output is correct
44 Correct 409 ms 8536 KB Output is correct
45 Correct 498 ms 8668 KB Output is correct
46 Correct 482 ms 8728 KB Output is correct
47 Correct 414 ms 8536 KB Output is correct
48 Correct 430 ms 8608 KB Output is correct
49 Correct 422 ms 8272 KB Output is correct
50 Correct 479 ms 8488 KB Output is correct
51 Correct 2 ms 340 KB Output is correct
52 Correct 497 ms 9384 KB Output is correct
53 Correct 606 ms 10152 KB Output is correct
54 Correct 835 ms 11896 KB Output is correct
55 Correct 830 ms 12112 KB Output is correct
56 Correct 621 ms 10460 KB Output is correct
57 Correct 817 ms 12224 KB Output is correct
58 Correct 855 ms 11872 KB Output is correct
59 Correct 804 ms 12044 KB Output is correct
60 Correct 3 ms 340 KB Output is correct
61 Correct 820 ms 12088 KB Output is correct
62 Correct 723 ms 11072 KB Output is correct
63 Correct 730 ms 11084 KB Output is correct
64 Correct 651 ms 11116 KB Output is correct
65 Correct 679 ms 10264 KB Output is correct
66 Correct 629 ms 10144 KB Output is correct
67 Execution timed out 1081 ms 12708 KB Time limit exceeded
68 Halted 0 ms 0 KB -