oj.uz

Submission #170130

# Submission time Handle Problem Language Result Execution time Memory
170130 2019-12-24T05:08:20 Z nvmdava Bootfall (IZhO17_bootfall) C++17
100 / 100
 484 ms 8696 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ff first
#define ss second
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define INF 0x3f3f3f3f
#define MOD 1000000007
#define N 1000005

bitset<501> in[250001];
bitset<250001> can;

int a[505];
int cnt[505];

int ans[250005];

vector<int> v;

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int n, s = 0;
    cin>>n;
    for(int i = 1; i <= n; ++i){
        cin>>a[i];
        cnt[a[i]]++;
        s += a[i];
    }

    can[0] = 1;

    for(int i = 1; i <= 500; ++i){
        for(int j = 1; j < cnt[i]; ++j){
            can |= can << i;
        }
    }

    for(int i = 1; i <= 500; ++i){
        if(!cnt[i]) continue;
        for(int j = s - i; j >= 0; --j){
            if(can[j]){
                bitset<501> t = in[j];
                t[i] = 1;
                if(!can[j + i]){
                    in[j + i] = t;
                    can[j + i] = 1;
                } else {
                    if(in[j + i].none())
                        continue;
                    in[j + i] &= t;
                }
            }
        }
    }
    if((s & 1) || !can[s / 2]){
        cout<<0;
        return 0;
    }

    for(int i = 1; i <= 500; ++i){
        if(cnt[i]){
            for(int j = 1; j <= s; ++j){
                if(can[j] && in[j][i] == 0){
                    int q = j * 2 + i - s;
                    if(q <= 0) continue;
                    ans[q] += cnt[i];
                }
            }
        }
    }

    for(int i = 1; i <= 250000; i++){
        if(ans[i] == n){
            v.push_back(i);
        }
    }
    cout<<v.size()<<'\n';
    for(auto& x : v)
        cout<<x<<' ';
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 3 ms 504 KB Output is correct
6 Correct 3 ms 632 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 376 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 3 ms 504 KB Output is correct
6 Correct 3 ms 632 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 3 ms 504 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 3 ms 508 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 3 ms 508 KB Output is correct
15 Correct 3 ms 504 KB Output is correct
16 Correct 3 ms 504 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 4 ms 504 KB Output is correct
19 Correct 4 ms 508 KB Output is correct
20 Correct 4 ms 504 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 3 ms 504 KB Output is correct
6 Correct 3 ms 632 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 3 ms 504 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 3 ms 508 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 3 ms 508 KB Output is correct
15 Correct 3 ms 504 KB Output is correct
16 Correct 3 ms 504 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 4 ms 504 KB Output is correct
19 Correct 4 ms 508 KB Output is correct
20 Correct 4 ms 504 KB Output is correct
21 Correct 5 ms 632 KB Output is correct
22 Correct 5 ms 632 KB Output is correct
23 Correct 5 ms 504 KB Output is correct
24 Correct 7 ms 632 KB Output is correct
25 Correct 5 ms 760 KB Output is correct
26 Correct 6 ms 760 KB Output is correct
27 Correct 6 ms 636 KB Output is correct
28 Correct 5 ms 632 KB Output is correct
29 Correct 6 ms 888 KB Output is correct
30 Correct 7 ms 632 KB Output is correct
31 Correct 7 ms 632 KB Output is correct
32 Correct 6 ms 632 KB Output is correct
33 Correct 5 ms 504 KB Output is correct
34 Correct 4 ms 504 KB Output is correct
35 Correct 5 ms 788 KB Output is correct
36 Correct 7 ms 632 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 3 ms 504 KB Output is correct
6 Correct 3 ms 632 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 3 ms 504 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 3 ms 508 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 3 ms 508 KB Output is correct
15 Correct 3 ms 504 KB Output is correct
16 Correct 3 ms 504 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 4 ms 504 KB Output is correct
19 Correct 4 ms 508 KB Output is correct
20 Correct 4 ms 504 KB Output is correct
21 Correct 5 ms 632 KB Output is correct
22 Correct 5 ms 632 KB Output is correct
23 Correct 5 ms 504 KB Output is correct
24 Correct 7 ms 632 KB Output is correct
25 Correct 5 ms 760 KB Output is correct
26 Correct 6 ms 760 KB Output is correct
27 Correct 6 ms 636 KB Output is correct
28 Correct 5 ms 632 KB Output is correct
29 Correct 6 ms 888 KB Output is correct
30 Correct 7 ms 632 KB Output is correct
31 Correct 7 ms 632 KB Output is correct
32 Correct 6 ms 632 KB Output is correct
33 Correct 5 ms 504 KB Output is correct
34 Correct 4 ms 504 KB Output is correct
35 Correct 5 ms 788 KB Output is correct
36 Correct 7 ms 632 KB Output is correct
37 Correct 18 ms 1016 KB Output is correct
38 Correct 19 ms 1068 KB Output is correct
39 Correct 7 ms 760 KB Output is correct
40 Correct 52 ms 1936 KB Output is correct
41 Correct 7 ms 732 KB Output is correct
42 Correct 43 ms 1656 KB Output is correct
43 Correct 29 ms 1528 KB Output is correct
44 Correct 35 ms 1656 KB Output is correct
45 Correct 28 ms 1528 KB Output is correct
46 Correct 36 ms 1716 KB Output is correct
47 Correct 49 ms 1656 KB Output is correct
48 Correct 16 ms 1656 KB Output is correct
49 Correct 11 ms 2040 KB Output is correct
50 Correct 51 ms 1784 KB Output is correct
51 Correct 41 ms 2296 KB Output is correct
52 Correct 21 ms 1784 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 3 ms 504 KB Output is correct
6 Correct 3 ms 632 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 3 ms 504 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 3 ms 508 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 3 ms 508 KB Output is correct
15 Correct 3 ms 504 KB Output is correct
16 Correct 3 ms 504 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 4 ms 504 KB Output is correct
19 Correct 4 ms 508 KB Output is correct
20 Correct 4 ms 504 KB Output is correct
21 Correct 5 ms 632 KB Output is correct
22 Correct 5 ms 632 KB Output is correct
23 Correct 5 ms 504 KB Output is correct
24 Correct 7 ms 632 KB Output is correct
25 Correct 5 ms 760 KB Output is correct
26 Correct 6 ms 760 KB Output is correct
27 Correct 6 ms 636 KB Output is correct
28 Correct 5 ms 632 KB Output is correct
29 Correct 6 ms 888 KB Output is correct
30 Correct 7 ms 632 KB Output is correct
31 Correct 7 ms 632 KB Output is correct
32 Correct 6 ms 632 KB Output is correct
33 Correct 5 ms 504 KB Output is correct
34 Correct 4 ms 504 KB Output is correct
35 Correct 5 ms 788 KB Output is correct
36 Correct 7 ms 632 KB Output is correct
37 Correct 18 ms 1016 KB Output is correct
38 Correct 19 ms 1068 KB Output is correct
39 Correct 7 ms 760 KB Output is correct
40 Correct 52 ms 1936 KB Output is correct
41 Correct 7 ms 732 KB Output is correct
42 Correct 43 ms 1656 KB Output is correct
43 Correct 29 ms 1528 KB Output is correct
44 Correct 35 ms 1656 KB Output is correct
45 Correct 28 ms 1528 KB Output is correct
46 Correct 36 ms 1716 KB Output is correct
47 Correct 49 ms 1656 KB Output is correct
48 Correct 16 ms 1656 KB Output is correct
49 Correct 11 ms 2040 KB Output is correct
50 Correct 51 ms 1784 KB Output is correct
51 Correct 41 ms 2296 KB Output is correct
52 Correct 21 ms 1784 KB Output is correct
53 Correct 69 ms 2064 KB Output is correct
54 Correct 88 ms 2328 KB Output is correct
55 Correct 33 ms 2168 KB Output is correct
56 Correct 91 ms 2568 KB Output is correct
57 Correct 40 ms 2296 KB Output is correct
58 Correct 123 ms 3036 KB Output is correct
59 Correct 104 ms 2680 KB Output is correct
60 Correct 107 ms 4196 KB Output is correct
61 Correct 115 ms 2936 KB Output is correct
62 Correct 75 ms 2552 KB Output is correct
63 Correct 49 ms 2296 KB Output is correct
64 Correct 48 ms 2168 KB Output is correct
65 Correct 10 ms 760 KB Output is correct
66 Correct 18 ms 1144 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 3 ms 504 KB Output is correct
6 Correct 3 ms 632 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 3 ms 504 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 3 ms 508 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 3 ms 508 KB Output is correct
15 Correct 3 ms 504 KB Output is correct
16 Correct 3 ms 504 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 4 ms 504 KB Output is correct
19 Correct 4 ms 508 KB Output is correct
20 Correct 4 ms 504 KB Output is correct
21 Correct 5 ms 632 KB Output is correct
22 Correct 5 ms 632 KB Output is correct
23 Correct 5 ms 504 KB Output is correct
24 Correct 7 ms 632 KB Output is correct
25 Correct 5 ms 760 KB Output is correct
26 Correct 6 ms 760 KB Output is correct
27 Correct 6 ms 636 KB Output is correct
28 Correct 5 ms 632 KB Output is correct
29 Correct 6 ms 888 KB Output is correct
30 Correct 7 ms 632 KB Output is correct
31 Correct 7 ms 632 KB Output is correct
32 Correct 6 ms 632 KB Output is correct
33 Correct 5 ms 504 KB Output is correct
34 Correct 4 ms 504 KB Output is correct
35 Correct 5 ms 788 KB Output is correct
36 Correct 7 ms 632 KB Output is correct
37 Correct 18 ms 1016 KB Output is correct
38 Correct 19 ms 1068 KB Output is correct
39 Correct 7 ms 760 KB Output is correct
40 Correct 52 ms 1936 KB Output is correct
41 Correct 7 ms 732 KB Output is correct
42 Correct 43 ms 1656 KB Output is correct
43 Correct 29 ms 1528 KB Output is correct
44 Correct 35 ms 1656 KB Output is correct
45 Correct 28 ms 1528 KB Output is correct
46 Correct 36 ms 1716 KB Output is correct
47 Correct 49 ms 1656 KB Output is correct
48 Correct 16 ms 1656 KB Output is correct
49 Correct 11 ms 2040 KB Output is correct
50 Correct 51 ms 1784 KB Output is correct
51 Correct 41 ms 2296 KB Output is correct
52 Correct 21 ms 1784 KB Output is correct
53 Correct 69 ms 2064 KB Output is correct
54 Correct 88 ms 2328 KB Output is correct
55 Correct 33 ms 2168 KB Output is correct
56 Correct 91 ms 2568 KB Output is correct
57 Correct 40 ms 2296 KB Output is correct
58 Correct 123 ms 3036 KB Output is correct
59 Correct 104 ms 2680 KB Output is correct
60 Correct 107 ms 4196 KB Output is correct
61 Correct 115 ms 2936 KB Output is correct
62 Correct 75 ms 2552 KB Output is correct
63 Correct 49 ms 2296 KB Output is correct
64 Correct 48 ms 2168 KB Output is correct
65 Correct 10 ms 760 KB Output is correct
66 Correct 18 ms 1144 KB Output is correct
67 Correct 182 ms 3848 KB Output is correct
68 Correct 167 ms 4312 KB Output is correct
69 Correct 96 ms 3444 KB Output is correct
70 Correct 380 ms 5724 KB Output is correct
71 Correct 354 ms 5704 KB Output is correct
72 Correct 484 ms 8696 KB Output is correct
73 Correct 478 ms 8656 KB Output is correct
74 Correct 173 ms 4340 KB Output is correct
75 Correct 327 ms 5412 KB Output is correct
76 Correct 59 ms 3828 KB Output is correct
77 Correct 105 ms 3896 KB Output is correct