oj.uz

Submission #884472

# Submission time Handle Problem Language Result Execution time Memory
884472 2023-12-07T12:50:00 Z tsumondai Bootfall (IZhO17_bootfall) C++14
100 / 100
 229 ms 3820 KB 
// DNC DP

#include <bits/stdc++.h>
using namespace std;

#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define foru(i, l, r) for(int i = l; i <= r; i++)
#define ford(i, r, l) for(int i = r; i >= l; i--)
#define __TIME  (1.0 * clock() / CLOCKS_PER_SEC)

typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;

const int N = 1e6 + 5;

const int oo = 1e9, mod = 1e9 + 7;

int n, m, k, a[N];
int dp[500 * 500 + 5], cnt[500 * 500 + 5];
vector<int> res;

void process() {
    cin >> n;
    int sum = 0;
    foru(i, 1, n) {
        cin >> a[i];
        sum += a[i];
    }

    dp[0] = 1;

    foru(i, 1, n) {
        ford(j, sum - a[i], 0) {
            dp[j + a[i]] += dp[j];
        }
    }

    if ((sum & 1) || !dp[(sum >> 1)]) {
        cout << 0 << '\n';
        return;
    }

    foru(i, 1, n) {
        int x = sum - a[i];
        foru(j, 0, sum - a[i]) {
            dp[j + a[i]] -= dp[j];
        }
        foru(j, (x + 1) >> 1, x) {
            cnt[(j << 1) - x] += !!dp[j];
        }
        ford(j, sum - a[i], 0) {
            dp[j + a[i]] += dp[j];
        }
    }
    foru(i, 0, sum) if (cnt[i] == n) res.pb(i);

    cout << res.size() << '\n';
    for (auto x : res) cout << x << ' ';

    return;
}

signed main() {
    cin.tie(0)->sync_with_stdio(false);
    //freopen(".inp", "r", stdin);
    //freopen(".out", "w", stdout);
    process();
    cerr << "Time elapsed: " << __TIME << " s.\n";
    return 0;
}

// dont stop

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 0 ms 2648 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 0 ms 2648 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2508 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2392 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2512 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 0 ms 2648 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2508 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2392 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2512 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 2 ms 2396 KB Output is correct
25 Correct 3 ms 2396 KB Output is correct
26 Correct 2 ms 2396 KB Output is correct
27 Correct 2 ms 2396 KB Output is correct
28 Correct 3 ms 2392 KB Output is correct
29 Correct 3 ms 2392 KB Output is correct
30 Correct 2 ms 2396 KB Output is correct
31 Correct 2 ms 2512 KB Output is correct
32 Correct 2 ms 2396 KB Output is correct
33 Correct 2 ms 2396 KB Output is correct
34 Correct 2 ms 2396 KB Output is correct
35 Correct 2 ms 2396 KB Output is correct
36 Correct 2 ms 2396 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 0 ms 2648 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2508 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2392 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2512 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 2 ms 2396 KB Output is correct
25 Correct 3 ms 2396 KB Output is correct
26 Correct 2 ms 2396 KB Output is correct
27 Correct 2 ms 2396 KB Output is correct
28 Correct 3 ms 2392 KB Output is correct
29 Correct 3 ms 2392 KB Output is correct
30 Correct 2 ms 2396 KB Output is correct
31 Correct 2 ms 2512 KB Output is correct
32 Correct 2 ms 2396 KB Output is correct
33 Correct 2 ms 2396 KB Output is correct
34 Correct 2 ms 2396 KB Output is correct
35 Correct 2 ms 2396 KB Output is correct
36 Correct 2 ms 2396 KB Output is correct
37 Correct 8 ms 2652 KB Output is correct
38 Correct 8 ms 2512 KB Output is correct
39 Correct 29 ms 2652 KB Output is correct
40 Correct 18 ms 2804 KB Output is correct
41 Correct 42 ms 2672 KB Output is correct
42 Correct 19 ms 2652 KB Output is correct
43 Correct 27 ms 2952 KB Output is correct
44 Correct 27 ms 2908 KB Output is correct
45 Correct 28 ms 2908 KB Output is correct
46 Correct 16 ms 2396 KB Output is correct
47 Correct 17 ms 2652 KB Output is correct
48 Correct 30 ms 2908 KB Output is correct
49 Correct 33 ms 3000 KB Output is correct
50 Correct 20 ms 2652 KB Output is correct
51 Correct 4 ms 2516 KB Output is correct
52 Correct 37 ms 2924 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 0 ms 2648 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2508 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2392 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2512 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 2 ms 2396 KB Output is correct
25 Correct 3 ms 2396 KB Output is correct
26 Correct 2 ms 2396 KB Output is correct
27 Correct 2 ms 2396 KB Output is correct
28 Correct 3 ms 2392 KB Output is correct
29 Correct 3 ms 2392 KB Output is correct
30 Correct 2 ms 2396 KB Output is correct
31 Correct 2 ms 2512 KB Output is correct
32 Correct 2 ms 2396 KB Output is correct
33 Correct 2 ms 2396 KB Output is correct
34 Correct 2 ms 2396 KB Output is correct
35 Correct 2 ms 2396 KB Output is correct
36 Correct 2 ms 2396 KB Output is correct
37 Correct 8 ms 2652 KB Output is correct
38 Correct 8 ms 2512 KB Output is correct
39 Correct 29 ms 2652 KB Output is correct
40 Correct 18 ms 2804 KB Output is correct
41 Correct 42 ms 2672 KB Output is correct
42 Correct 19 ms 2652 KB Output is correct
43 Correct 27 ms 2952 KB Output is correct
44 Correct 27 ms 2908 KB Output is correct
45 Correct 28 ms 2908 KB Output is correct
46 Correct 16 ms 2396 KB Output is correct
47 Correct 17 ms 2652 KB Output is correct
48 Correct 30 ms 2908 KB Output is correct
49 Correct 33 ms 3000 KB Output is correct
50 Correct 20 ms 2652 KB Output is correct
51 Correct 4 ms 2516 KB Output is correct
52 Correct 37 ms 2924 KB Output is correct
53 Correct 27 ms 2908 KB Output is correct
54 Correct 38 ms 2940 KB Output is correct
55 Correct 74 ms 3076 KB Output is correct
56 Correct 33 ms 2900 KB Output is correct
57 Correct 79 ms 3288 KB Output is correct
58 Correct 41 ms 2900 KB Output is correct
59 Correct 51 ms 3076 KB Output is correct
60 Correct 10 ms 2396 KB Output is correct
61 Correct 62 ms 3060 KB Output is correct
62 Correct 65 ms 3284 KB Output is correct
63 Correct 64 ms 3088 KB Output is correct
64 Correct 61 ms 3540 KB Output is correct
65 Correct 28 ms 2652 KB Output is correct
66 Correct 31 ms 2684 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 0 ms 2648 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2508 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2392 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2512 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 2 ms 2396 KB Output is correct
25 Correct 3 ms 2396 KB Output is correct
26 Correct 2 ms 2396 KB Output is correct
27 Correct 2 ms 2396 KB Output is correct
28 Correct 3 ms 2392 KB Output is correct
29 Correct 3 ms 2392 KB Output is correct
30 Correct 2 ms 2396 KB Output is correct
31 Correct 2 ms 2512 KB Output is correct
32 Correct 2 ms 2396 KB Output is correct
33 Correct 2 ms 2396 KB Output is correct
34 Correct 2 ms 2396 KB Output is correct
35 Correct 2 ms 2396 KB Output is correct
36 Correct 2 ms 2396 KB Output is correct
37 Correct 8 ms 2652 KB Output is correct
38 Correct 8 ms 2512 KB Output is correct
39 Correct 29 ms 2652 KB Output is correct
40 Correct 18 ms 2804 KB Output is correct
41 Correct 42 ms 2672 KB Output is correct
42 Correct 19 ms 2652 KB Output is correct
43 Correct 27 ms 2952 KB Output is correct
44 Correct 27 ms 2908 KB Output is correct
45 Correct 28 ms 2908 KB Output is correct
46 Correct 16 ms 2396 KB Output is correct
47 Correct 17 ms 2652 KB Output is correct
48 Correct 30 ms 2908 KB Output is correct
49 Correct 33 ms 3000 KB Output is correct
50 Correct 20 ms 2652 KB Output is correct
51 Correct 4 ms 2516 KB Output is correct
52 Correct 37 ms 2924 KB Output is correct
53 Correct 27 ms 2908 KB Output is correct
54 Correct 38 ms 2940 KB Output is correct
55 Correct 74 ms 3076 KB Output is correct
56 Correct 33 ms 2900 KB Output is correct
57 Correct 79 ms 3288 KB Output is correct
58 Correct 41 ms 2900 KB Output is correct
59 Correct 51 ms 3076 KB Output is correct
60 Correct 10 ms 2396 KB Output is correct
61 Correct 62 ms 3060 KB Output is correct
62 Correct 65 ms 3284 KB Output is correct
63 Correct 64 ms 3088 KB Output is correct
64 Correct 61 ms 3540 KB Output is correct
65 Correct 28 ms 2652 KB Output is correct
66 Correct 31 ms 2684 KB Output is correct
67 Correct 62 ms 3072 KB Output is correct
68 Correct 27 ms 2396 KB Output is correct
69 Correct 214 ms 3796 KB Output is correct
70 Correct 122 ms 3316 KB Output is correct
71 Correct 131 ms 3288 KB Output is correct
72 Correct 114 ms 2800 KB Output is correct
73 Correct 115 ms 2644 KB Output is correct
74 Correct 211 ms 3800 KB Output is correct
75 Correct 170 ms 3572 KB Output is correct
76 Correct 229 ms 3820 KB Output is correct
77 Correct 224 ms 3792 KB Output is correct