oj.uz

Submission #566442

# Submission time Handle Problem Language Result Execution time Memory
566442 2022-05-22T10:11:21 Z RealSnake Bootfall (IZhO17_bootfall) C++14
100 / 100
 697 ms 3120 KB 
#include "bits/stdc++.h"
using namespace std;

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

#define ll long long
#define mod 1000000007

ofstream fout(".out");
ifstream fin(".in");

int n;
ll arr[501], dp[250001];
ll sum;
bool ans[250001];

void remove(ll x) {
    for(int i = x; i <= sum; i++)
        dp[i] = (dp[i] - dp[i - x] + mod) % mod;
}

void add(ll x) {
    for(int i = sum; i >= x; i--)
        dp[i] = (dp[i] + dp[i - x]) % mod;
}

signed main() {

    ios::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);

    cin >> n;
    for(int i = 0; i < n; i++) {
        cin >> arr[i];
        sum += arr[i];
    }
    dp[0] = 1;
    for(int i = 0; i < n; i++) {
        for(int j = sum; j >= arr[i]; j--)
            dp[j] = (dp[j] + dp[j - arr[i]]) % mod;
    }
    if(sum % 2 || !dp[sum / 2]) {
        cout << 0;
        return 0;
    }
    for(int i = 1; i <= sum; i++)
        ans[i] = 1;
    int anss = sum;
    for(int i = 0; i < n; i++) {
        remove(arr[i]);
        for(int j = 1; j <= sum; j++) {
            if(!ans[j])
                continue;
            ll x = sum - arr[i] + j;
            if(j > x / 2 || j % 2 != arr[i] % 2 || !dp[(x / 2) - j]) {
                ans[j] = 0;
                anss--;
            }
        }
        add(arr[i]);
    }
    cout << anss << "\n";
    for(int i = 1; i <= sum; i++) {
        if(ans[i])
            cout << i << " ";
    }

    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 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 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 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 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 4 ms 380 KB Output is correct
25 Correct 6 ms 336 KB Output is correct
26 Correct 7 ms 344 KB Output is correct
27 Correct 6 ms 340 KB Output is correct
28 Correct 6 ms 340 KB Output is correct
29 Correct 6 ms 336 KB Output is correct
30 Correct 3 ms 340 KB Output is correct
31 Correct 5 ms 340 KB Output is correct
32 Correct 4 ms 340 KB Output is correct
33 Correct 6 ms 340 KB Output is correct
34 Correct 6 ms 340 KB Output is correct
35 Correct 6 ms 340 KB Output is correct
36 Correct 4 ms 340 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 4 ms 380 KB Output is correct
25 Correct 6 ms 336 KB Output is correct
26 Correct 7 ms 344 KB Output is correct
27 Correct 6 ms 340 KB Output is correct
28 Correct 6 ms 340 KB Output is correct
29 Correct 6 ms 336 KB Output is correct
30 Correct 3 ms 340 KB Output is correct
31 Correct 5 ms 340 KB Output is correct
32 Correct 4 ms 340 KB Output is correct
33 Correct 6 ms 340 KB Output is correct
34 Correct 6 ms 340 KB Output is correct
35 Correct 6 ms 340 KB Output is correct
36 Correct 4 ms 340 KB Output is correct
37 Correct 24 ms 496 KB Output is correct
38 Correct 24 ms 520 KB Output is correct
39 Correct 83 ms 868 KB Output is correct
40 Correct 53 ms 612 KB Output is correct
41 Correct 107 ms 908 KB Output is correct
42 Correct 44 ms 600 KB Output is correct
43 Correct 79 ms 932 KB Output is correct
44 Correct 81 ms 900 KB Output is correct
45 Correct 87 ms 948 KB Output is correct
46 Correct 47 ms 600 KB Output is correct
47 Correct 48 ms 624 KB Output is correct
48 Correct 87 ms 868 KB Output is correct
49 Correct 84 ms 844 KB Output is correct
50 Correct 48 ms 628 KB Output is correct
51 Correct 14 ms 468 KB Output is correct
52 Correct 109 ms 1084 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 4 ms 380 KB Output is correct
25 Correct 6 ms 336 KB Output is correct
26 Correct 7 ms 344 KB Output is correct
27 Correct 6 ms 340 KB Output is correct
28 Correct 6 ms 340 KB Output is correct
29 Correct 6 ms 336 KB Output is correct
30 Correct 3 ms 340 KB Output is correct
31 Correct 5 ms 340 KB Output is correct
32 Correct 4 ms 340 KB Output is correct
33 Correct 6 ms 340 KB Output is correct
34 Correct 6 ms 340 KB Output is correct
35 Correct 6 ms 340 KB Output is correct
36 Correct 4 ms 340 KB Output is correct
37 Correct 24 ms 496 KB Output is correct
38 Correct 24 ms 520 KB Output is correct
39 Correct 83 ms 868 KB Output is correct
40 Correct 53 ms 612 KB Output is correct
41 Correct 107 ms 908 KB Output is correct
42 Correct 44 ms 600 KB Output is correct
43 Correct 79 ms 932 KB Output is correct
44 Correct 81 ms 900 KB Output is correct
45 Correct 87 ms 948 KB Output is correct
46 Correct 47 ms 600 KB Output is correct
47 Correct 48 ms 624 KB Output is correct
48 Correct 87 ms 868 KB Output is correct
49 Correct 84 ms 844 KB Output is correct
50 Correct 48 ms 628 KB Output is correct
51 Correct 14 ms 468 KB Output is correct
52 Correct 109 ms 1084 KB Output is correct
53 Correct 81 ms 856 KB Output is correct
54 Correct 114 ms 900 KB Output is correct
55 Correct 225 ms 1560 KB Output is correct
56 Correct 98 ms 952 KB Output is correct
57 Correct 254 ms 1608 KB Output is correct
58 Correct 126 ms 948 KB Output is correct
59 Correct 168 ms 1188 KB Output is correct
60 Correct 33 ms 724 KB Output is correct
61 Correct 177 ms 1260 KB Output is correct
62 Correct 177 ms 1428 KB Output is correct
63 Correct 190 ms 1520 KB Output is correct
64 Correct 195 ms 1516 KB Output is correct
65 Correct 85 ms 724 KB Output is correct
66 Correct 95 ms 800 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 4 ms 380 KB Output is correct
25 Correct 6 ms 336 KB Output is correct
26 Correct 7 ms 344 KB Output is correct
27 Correct 6 ms 340 KB Output is correct
28 Correct 6 ms 340 KB Output is correct
29 Correct 6 ms 336 KB Output is correct
30 Correct 3 ms 340 KB Output is correct
31 Correct 5 ms 340 KB Output is correct
32 Correct 4 ms 340 KB Output is correct
33 Correct 6 ms 340 KB Output is correct
34 Correct 6 ms 340 KB Output is correct
35 Correct 6 ms 340 KB Output is correct
36 Correct 4 ms 340 KB Output is correct
37 Correct 24 ms 496 KB Output is correct
38 Correct 24 ms 520 KB Output is correct
39 Correct 83 ms 868 KB Output is correct
40 Correct 53 ms 612 KB Output is correct
41 Correct 107 ms 908 KB Output is correct
42 Correct 44 ms 600 KB Output is correct
43 Correct 79 ms 932 KB Output is correct
44 Correct 81 ms 900 KB Output is correct
45 Correct 87 ms 948 KB Output is correct
46 Correct 47 ms 600 KB Output is correct
47 Correct 48 ms 624 KB Output is correct
48 Correct 87 ms 868 KB Output is correct
49 Correct 84 ms 844 KB Output is correct
50 Correct 48 ms 628 KB Output is correct
51 Correct 14 ms 468 KB Output is correct
52 Correct 109 ms 1084 KB Output is correct
53 Correct 81 ms 856 KB Output is correct
54 Correct 114 ms 900 KB Output is correct
55 Correct 225 ms 1560 KB Output is correct
56 Correct 98 ms 952 KB Output is correct
57 Correct 254 ms 1608 KB Output is correct
58 Correct 126 ms 948 KB Output is correct
59 Correct 168 ms 1188 KB Output is correct
60 Correct 33 ms 724 KB Output is correct
61 Correct 177 ms 1260 KB Output is correct
62 Correct 177 ms 1428 KB Output is correct
63 Correct 190 ms 1520 KB Output is correct
64 Correct 195 ms 1516 KB Output is correct
65 Correct 85 ms 724 KB Output is correct
66 Correct 95 ms 800 KB Output is correct
67 Correct 200 ms 1208 KB Output is correct
68 Correct 105 ms 1296 KB Output is correct
69 Correct 608 ms 2832 KB Output is correct
70 Correct 379 ms 1844 KB Output is correct
71 Correct 354 ms 1692 KB Output is correct
72 Correct 333 ms 1356 KB Output is correct
73 Correct 357 ms 1308 KB Output is correct
74 Correct 652 ms 2980 KB Output is correct
75 Correct 505 ms 2380 KB Output is correct
76 Correct 697 ms 3120 KB Output is correct
77 Correct 692 ms 3056 KB Output is correct