oj.uz

Submission #170132

# Submission time Handle Problem Language Result Execution time Memory
170132 2019-12-24T05:10:19 Z nvmdava Bootfall (IZhO17_bootfall) C++17
100 / 100
 480 ms 17392 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 {
                    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 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 3 ms 504 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 376 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 3 ms 504 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 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 632 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 3 ms 504 KB Output is correct
15 Correct 3 ms 508 KB Output is correct
16 Correct 3 ms 504 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 3 ms 504 KB Output is correct
19 Correct 3 ms 504 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 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 3 ms 504 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 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 632 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 3 ms 504 KB Output is correct
15 Correct 3 ms 508 KB Output is correct
16 Correct 3 ms 504 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 3 ms 504 KB Output is correct
19 Correct 3 ms 504 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 760 KB Output is correct
23 Correct 4 ms 632 KB Output is correct
24 Correct 6 ms 764 KB Output is correct
25 Correct 6 ms 1016 KB Output is correct
26 Correct 6 ms 1144 KB Output is correct
27 Correct 5 ms 1016 KB Output is correct
28 Correct 5 ms 1144 KB Output is correct
29 Correct 5 ms 1016 KB Output is correct
30 Correct 7 ms 760 KB Output is correct
31 Correct 7 ms 1020 KB Output is correct
32 Correct 7 ms 760 KB Output is correct
33 Correct 5 ms 888 KB Output is correct
34 Correct 5 ms 888 KB Output is correct
35 Correct 5 ms 1016 KB Output is correct
36 Correct 7 ms 760 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 3 ms 504 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 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 632 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 3 ms 504 KB Output is correct
15 Correct 3 ms 508 KB Output is correct
16 Correct 3 ms 504 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 3 ms 504 KB Output is correct
19 Correct 3 ms 504 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 760 KB Output is correct
23 Correct 4 ms 632 KB Output is correct
24 Correct 6 ms 764 KB Output is correct
25 Correct 6 ms 1016 KB Output is correct
26 Correct 6 ms 1144 KB Output is correct
27 Correct 5 ms 1016 KB Output is correct
28 Correct 5 ms 1144 KB Output is correct
29 Correct 5 ms 1016 KB Output is correct
30 Correct 7 ms 760 KB Output is correct
31 Correct 7 ms 1020 KB Output is correct
32 Correct 7 ms 760 KB Output is correct
33 Correct 5 ms 888 KB Output is correct
34 Correct 5 ms 888 KB Output is correct
35 Correct 5 ms 1016 KB Output is correct
36 Correct 7 ms 760 KB Output is correct
37 Correct 19 ms 1912 KB Output is correct
38 Correct 19 ms 1912 KB Output is correct
39 Correct 8 ms 1656 KB Output is correct
40 Correct 52 ms 2908 KB Output is correct
41 Correct 8 ms 1784 KB Output is correct
42 Correct 44 ms 2756 KB Output is correct
43 Correct 30 ms 4472 KB Output is correct
44 Correct 30 ms 4472 KB Output is correct
45 Correct 31 ms 4600 KB Output is correct
46 Correct 37 ms 2524 KB Output is correct
47 Correct 47 ms 2808 KB Output is correct
48 Correct 16 ms 4600 KB Output is correct
49 Correct 12 ms 4088 KB Output is correct
50 Correct 51 ms 2808 KB Output is correct
51 Correct 39 ms 2344 KB Output is correct
52 Correct 23 ms 5424 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 3 ms 504 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 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 632 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 3 ms 504 KB Output is correct
15 Correct 3 ms 508 KB Output is correct
16 Correct 3 ms 504 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 3 ms 504 KB Output is correct
19 Correct 3 ms 504 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 760 KB Output is correct
23 Correct 4 ms 632 KB Output is correct
24 Correct 6 ms 764 KB Output is correct
25 Correct 6 ms 1016 KB Output is correct
26 Correct 6 ms 1144 KB Output is correct
27 Correct 5 ms 1016 KB Output is correct
28 Correct 5 ms 1144 KB Output is correct
29 Correct 5 ms 1016 KB Output is correct
30 Correct 7 ms 760 KB Output is correct
31 Correct 7 ms 1020 KB Output is correct
32 Correct 7 ms 760 KB Output is correct
33 Correct 5 ms 888 KB Output is correct
34 Correct 5 ms 888 KB Output is correct
35 Correct 5 ms 1016 KB Output is correct
36 Correct 7 ms 760 KB Output is correct
37 Correct 19 ms 1912 KB Output is correct
38 Correct 19 ms 1912 KB Output is correct
39 Correct 8 ms 1656 KB Output is correct
40 Correct 52 ms 2908 KB Output is correct
41 Correct 8 ms 1784 KB Output is correct
42 Correct 44 ms 2756 KB Output is correct
43 Correct 30 ms 4472 KB Output is correct
44 Correct 30 ms 4472 KB Output is correct
45 Correct 31 ms 4600 KB Output is correct
46 Correct 37 ms 2524 KB Output is correct
47 Correct 47 ms 2808 KB Output is correct
48 Correct 16 ms 4600 KB Output is correct
49 Correct 12 ms 4088 KB Output is correct
50 Correct 51 ms 2808 KB Output is correct
51 Correct 39 ms 2344 KB Output is correct
52 Correct 23 ms 5424 KB Output is correct
53 Correct 69 ms 3832 KB Output is correct
54 Correct 88 ms 4600 KB Output is correct
55 Correct 38 ms 8312 KB Output is correct
56 Correct 90 ms 4580 KB Output is correct
57 Correct 45 ms 8696 KB Output is correct
58 Correct 123 ms 4948 KB Output is correct
59 Correct 106 ms 6008 KB Output is correct
60 Correct 113 ms 4232 KB Output is correct
61 Correct 122 ms 6644 KB Output is correct
62 Correct 82 ms 7416 KB Output is correct
63 Correct 57 ms 7896 KB Output is correct
64 Correct 56 ms 7928 KB Output is correct
65 Correct 13 ms 3704 KB Output is correct
66 Correct 22 ms 4088 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 3 ms 504 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 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 632 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 3 ms 504 KB Output is correct
15 Correct 3 ms 508 KB Output is correct
16 Correct 3 ms 504 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 3 ms 504 KB Output is correct
19 Correct 3 ms 504 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 760 KB Output is correct
23 Correct 4 ms 632 KB Output is correct
24 Correct 6 ms 764 KB Output is correct
25 Correct 6 ms 1016 KB Output is correct
26 Correct 6 ms 1144 KB Output is correct
27 Correct 5 ms 1016 KB Output is correct
28 Correct 5 ms 1144 KB Output is correct
29 Correct 5 ms 1016 KB Output is correct
30 Correct 7 ms 760 KB Output is correct
31 Correct 7 ms 1020 KB Output is correct
32 Correct 7 ms 760 KB Output is correct
33 Correct 5 ms 888 KB Output is correct
34 Correct 5 ms 888 KB Output is correct
35 Correct 5 ms 1016 KB Output is correct
36 Correct 7 ms 760 KB Output is correct
37 Correct 19 ms 1912 KB Output is correct
38 Correct 19 ms 1912 KB Output is correct
39 Correct 8 ms 1656 KB Output is correct
40 Correct 52 ms 2908 KB Output is correct
41 Correct 8 ms 1784 KB Output is correct
42 Correct 44 ms 2756 KB Output is correct
43 Correct 30 ms 4472 KB Output is correct
44 Correct 30 ms 4472 KB Output is correct
45 Correct 31 ms 4600 KB Output is correct
46 Correct 37 ms 2524 KB Output is correct
47 Correct 47 ms 2808 KB Output is correct
48 Correct 16 ms 4600 KB Output is correct
49 Correct 12 ms 4088 KB Output is correct
50 Correct 51 ms 2808 KB Output is correct
51 Correct 39 ms 2344 KB Output is correct
52 Correct 23 ms 5424 KB Output is correct
53 Correct 69 ms 3832 KB Output is correct
54 Correct 88 ms 4600 KB Output is correct
55 Correct 38 ms 8312 KB Output is correct
56 Correct 90 ms 4580 KB Output is correct
57 Correct 45 ms 8696 KB Output is correct
58 Correct 123 ms 4948 KB Output is correct
59 Correct 106 ms 6008 KB Output is correct
60 Correct 113 ms 4232 KB Output is correct
61 Correct 122 ms 6644 KB Output is correct
62 Correct 82 ms 7416 KB Output is correct
63 Correct 57 ms 7896 KB Output is correct
64 Correct 56 ms 7928 KB Output is correct
65 Correct 13 ms 3704 KB Output is correct
66 Correct 22 ms 4088 KB Output is correct
67 Correct 180 ms 6332 KB Output is correct
68 Correct 158 ms 8220 KB Output is correct
69 Correct 107 ms 15568 KB Output is correct
70 Correct 358 ms 9900 KB Output is correct
71 Correct 349 ms 9592 KB Output is correct
72 Correct 480 ms 9000 KB Output is correct
73 Correct 467 ms 8824 KB Output is correct
74 Correct 184 ms 16500 KB Output is correct
75 Correct 332 ms 13128 KB Output is correct
76 Correct 72 ms 17392 KB Output is correct
77 Correct 119 ms 17268 KB Output is correct