oj.uz

답안 #507087

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
507087 2022-01-12T08:52:41 Z syl123456 Bootfall (IZhO17_bootfall) C++17
100 / 100
 285 ms 3300 KB 
#pragma GCC diagnostic ignored "-Wunused-parameter"
#pragma GCC diagnostic ignored "-Wunused-variable"
#pragma GCC diagnostic ignored "-Wparentheses"
#include <bits/stdc++.h>
#define all(i) (i).begin(), (i).end()
#define random random_device rd; mt19937 rng(rd())
using namespace std;
template<typename T1, typename T2>
ostream& operator << (ostream &i, pair<T1, T2> j) {
    return i << j.first << ' ' << j.second;
}
template<typename T>
ostream& operator << (ostream &i, vector<T> j) {
    i << '{' << j.size() << ':';
    for (T ii : j) i << ' ' << ii;
    return i << '}';
}
void Debug(bool _split) {}
template<typename T1, typename ...T2>
void Debug(bool _split, T1 x, T2 ...args) {
    if (_split)
        cerr << ", ";
    cerr << x, Debug(true, args...);
}
template<typename T>
void Debuga(T *i, int n) {
    cerr << '[';
    for (int j = 0; j < n; ++j) cerr << i[j] << " ]"[j == n - 1];
    cerr << endl;
}
#ifdef SYL
#define debug(args...) cerr << "\u001b[35mLine(" << __LINE__ << ") -> [" << #args << "] is [", Debug(false, args), cerr << "]\u001b[0m" << endl
#define debuga(i) cerr << "\u001b[35mLine(" << __LINE__ << ") -> [" << #i << "] is ", Debuga(i, sizeof(i) / sizeof(typeid(*i).name())), cerr << "\u001b[0m"
#else
#define debug(args...) void(0)
#define debuga(i) void(0)
#endif
typedef long long ll;
typedef pair<int, int> pi;
const int inf = 0x3f3f3f3f, lg = 20;
const ll mod = 1e9 + 7, INF = 0x3f3f3f3f3f3f3f3f;

const int N = 500, C = N * (2 * N + 1), zro = N * N;
bitset<C> is[11][2];
bool ok[C];
int a[N];

void calc(int l, int r, int dep) {
    is[dep + 1][0] = is[dep][0];
    int nxt = 1, pre = 0;
    while (l < r) {
        is[dep + 1][nxt] = is[dep + 1][pre] << a[l];
        is[dep + 1][nxt] |= is[dep + 1][pre] >> a[l];
        swap(nxt, pre);
        ++l;
    }
    if (pre)
        is[dep + 1][0] = is[dep + 1][1];
}

void dc(int l, int r, int dep) {
    if (l == r - 1) {
        for (int i = zro + 1; i < C; ++i)
            ok[i] = ok[i] & is[dep][0].test(i);
        return;
    }
    int m = l + r >> 1;
    calc(l, m, dep);
    dc(m, r, dep + 1);
    calc(m, r, dep);
    dc(l, m, dep + 1);
}

signed main() {
    ios::sync_with_stdio(0), cin.tie(0);
    int n;
    cin >> n;
    for (int i = 0; i < n; ++i)
        cin >> a[i];
    fill(ok, ok + C, true);
    is[0][0].set(zro, true);
    dc(0, n, 0);
    calc(0, n, 0);
    if (!is[1][0].test(zro))
        return cout << 0, 0;
    vector<int> ans;
    for (int i = zro + 1; i < C; ++i)
        if (ok[i])
            ans.push_back(i - zro);
    cout << ans.size() << '\n';
    for (int i : ans)
        cout << i << ' ';
}
/*
n^2C pre,suf

k * (n^2C + n/k * n/k * nC)

T(N) = 2 * (N/2 * maxN * C + T(N/2))
     = 2T(N/2) + NmaxNC
n maxn c lgn
*/

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 1088 KB Output is correct
2 Correct 3 ms 1212 KB Output is correct
3 Correct 2 ms 1100 KB Output is correct
4 Correct 3 ms 1088 KB Output is correct
5 Correct 6 ms 1424 KB Output is correct
6 Correct 6 ms 1228 KB Output is correct
7 Correct 4 ms 1216 KB Output is correct
8 Correct 7 ms 1356 KB Output is correct
9 Correct 6 ms 1356 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 1088 KB Output is correct
2 Correct 3 ms 1212 KB Output is correct
3 Correct 2 ms 1100 KB Output is correct
4 Correct 3 ms 1088 KB Output is correct
5 Correct 6 ms 1424 KB Output is correct
6 Correct 6 ms 1228 KB Output is correct
7 Correct 4 ms 1216 KB Output is correct
8 Correct 7 ms 1356 KB Output is correct
9 Correct 6 ms 1356 KB Output is correct
10 Correct 18 ms 1548 KB Output is correct
11 Correct 13 ms 1552 KB Output is correct
12 Correct 13 ms 1488 KB Output is correct
13 Correct 13 ms 1548 KB Output is correct
14 Correct 12 ms 1548 KB Output is correct
15 Correct 15 ms 1548 KB Output is correct
16 Correct 14 ms 1548 KB Output is correct
17 Correct 8 ms 1472 KB Output is correct
18 Correct 14 ms 1484 KB Output is correct
19 Correct 11 ms 1548 KB Output is correct
20 Correct 12 ms 1472 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 1088 KB Output is correct
2 Correct 3 ms 1212 KB Output is correct
3 Correct 2 ms 1100 KB Output is correct
4 Correct 3 ms 1088 KB Output is correct
5 Correct 6 ms 1424 KB Output is correct
6 Correct 6 ms 1228 KB Output is correct
7 Correct 4 ms 1216 KB Output is correct
8 Correct 7 ms 1356 KB Output is correct
9 Correct 6 ms 1356 KB Output is correct
10 Correct 18 ms 1548 KB Output is correct
11 Correct 13 ms 1552 KB Output is correct
12 Correct 13 ms 1488 KB Output is correct
13 Correct 13 ms 1548 KB Output is correct
14 Correct 12 ms 1548 KB Output is correct
15 Correct 15 ms 1548 KB Output is correct
16 Correct 14 ms 1548 KB Output is correct
17 Correct 8 ms 1472 KB Output is correct
18 Correct 14 ms 1484 KB Output is correct
19 Correct 11 ms 1548 KB Output is correct
20 Correct 12 ms 1472 KB Output is correct
21 Correct 26 ms 1664 KB Output is correct
22 Correct 30 ms 1740 KB Output is correct
23 Correct 22 ms 1652 KB Output is correct
24 Correct 44 ms 1816 KB Output is correct
25 Correct 41 ms 1784 KB Output is correct
26 Correct 42 ms 1780 KB Output is correct
27 Correct 41 ms 1740 KB Output is correct
28 Correct 45 ms 1788 KB Output is correct
29 Correct 57 ms 1788 KB Output is correct
30 Correct 41 ms 1772 KB Output is correct
31 Correct 54 ms 1772 KB Output is correct
32 Correct 44 ms 1720 KB Output is correct
33 Correct 43 ms 1740 KB Output is correct
34 Correct 54 ms 1768 KB Output is correct
35 Correct 44 ms 1776 KB Output is correct
36 Correct 59 ms 1736 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 1088 KB Output is correct
2 Correct 3 ms 1212 KB Output is correct
3 Correct 2 ms 1100 KB Output is correct
4 Correct 3 ms 1088 KB Output is correct
5 Correct 6 ms 1424 KB Output is correct
6 Correct 6 ms 1228 KB Output is correct
7 Correct 4 ms 1216 KB Output is correct
8 Correct 7 ms 1356 KB Output is correct
9 Correct 6 ms 1356 KB Output is correct
10 Correct 18 ms 1548 KB Output is correct
11 Correct 13 ms 1552 KB Output is correct
12 Correct 13 ms 1488 KB Output is correct
13 Correct 13 ms 1548 KB Output is correct
14 Correct 12 ms 1548 KB Output is correct
15 Correct 15 ms 1548 KB Output is correct
16 Correct 14 ms 1548 KB Output is correct
17 Correct 8 ms 1472 KB Output is correct
18 Correct 14 ms 1484 KB Output is correct
19 Correct 11 ms 1548 KB Output is correct
20 Correct 12 ms 1472 KB Output is correct
21 Correct 26 ms 1664 KB Output is correct
22 Correct 30 ms 1740 KB Output is correct
23 Correct 22 ms 1652 KB Output is correct
24 Correct 44 ms 1816 KB Output is correct
25 Correct 41 ms 1784 KB Output is correct
26 Correct 42 ms 1780 KB Output is correct
27 Correct 41 ms 1740 KB Output is correct
28 Correct 45 ms 1788 KB Output is correct
29 Correct 57 ms 1788 KB Output is correct
30 Correct 41 ms 1772 KB Output is correct
31 Correct 54 ms 1772 KB Output is correct
32 Correct 44 ms 1720 KB Output is correct
33 Correct 43 ms 1740 KB Output is correct
34 Correct 54 ms 1768 KB Output is correct
35 Correct 44 ms 1776 KB Output is correct
36 Correct 59 ms 1736 KB Output is correct
37 Correct 112 ms 2028 KB Output is correct
38 Correct 97 ms 2036 KB Output is correct
39 Correct 113 ms 1976 KB Output is correct
40 Correct 128 ms 2148 KB Output is correct
41 Correct 121 ms 2020 KB Output is correct
42 Correct 112 ms 2032 KB Output is correct
43 Correct 131 ms 2280 KB Output is correct
44 Correct 112 ms 2192 KB Output is correct
45 Correct 111 ms 2236 KB Output is correct
46 Correct 134 ms 1996 KB Output is correct
47 Correct 137 ms 2024 KB Output is correct
48 Correct 113 ms 2168 KB Output is correct
49 Correct 113 ms 1900 KB Output is correct
50 Correct 121 ms 2024 KB Output is correct
51 Correct 121 ms 1900 KB Output is correct
52 Correct 121 ms 2408 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 1088 KB Output is correct
2 Correct 3 ms 1212 KB Output is correct
3 Correct 2 ms 1100 KB Output is correct
4 Correct 3 ms 1088 KB Output is correct
5 Correct 6 ms 1424 KB Output is correct
6 Correct 6 ms 1228 KB Output is correct
7 Correct 4 ms 1216 KB Output is correct
8 Correct 7 ms 1356 KB Output is correct
9 Correct 6 ms 1356 KB Output is correct
10 Correct 18 ms 1548 KB Output is correct
11 Correct 13 ms 1552 KB Output is correct
12 Correct 13 ms 1488 KB Output is correct
13 Correct 13 ms 1548 KB Output is correct
14 Correct 12 ms 1548 KB Output is correct
15 Correct 15 ms 1548 KB Output is correct
16 Correct 14 ms 1548 KB Output is correct
17 Correct 8 ms 1472 KB Output is correct
18 Correct 14 ms 1484 KB Output is correct
19 Correct 11 ms 1548 KB Output is correct
20 Correct 12 ms 1472 KB Output is correct
21 Correct 26 ms 1664 KB Output is correct
22 Correct 30 ms 1740 KB Output is correct
23 Correct 22 ms 1652 KB Output is correct
24 Correct 44 ms 1816 KB Output is correct
25 Correct 41 ms 1784 KB Output is correct
26 Correct 42 ms 1780 KB Output is correct
27 Correct 41 ms 1740 KB Output is correct
28 Correct 45 ms 1788 KB Output is correct
29 Correct 57 ms 1788 KB Output is correct
30 Correct 41 ms 1772 KB Output is correct
31 Correct 54 ms 1772 KB Output is correct
32 Correct 44 ms 1720 KB Output is correct
33 Correct 43 ms 1740 KB Output is correct
34 Correct 54 ms 1768 KB Output is correct
35 Correct 44 ms 1776 KB Output is correct
36 Correct 59 ms 1736 KB Output is correct
37 Correct 112 ms 2028 KB Output is correct
38 Correct 97 ms 2036 KB Output is correct
39 Correct 113 ms 1976 KB Output is correct
40 Correct 128 ms 2148 KB Output is correct
41 Correct 121 ms 2020 KB Output is correct
42 Correct 112 ms 2032 KB Output is correct
43 Correct 131 ms 2280 KB Output is correct
44 Correct 112 ms 2192 KB Output is correct
45 Correct 111 ms 2236 KB Output is correct
46 Correct 134 ms 1996 KB Output is correct
47 Correct 137 ms 2024 KB Output is correct
48 Correct 113 ms 2168 KB Output is correct
49 Correct 113 ms 1900 KB Output is correct
50 Correct 121 ms 2024 KB Output is correct
51 Correct 121 ms 1900 KB Output is correct
52 Correct 121 ms 2408 KB Output is correct
53 Correct 140 ms 2276 KB Output is correct
54 Correct 172 ms 2400 KB Output is correct
55 Correct 171 ms 2536 KB Output is correct
56 Correct 140 ms 2400 KB Output is correct
57 Correct 161 ms 2664 KB Output is correct
58 Correct 196 ms 2404 KB Output is correct
59 Correct 170 ms 2536 KB Output is correct
60 Correct 159 ms 2020 KB Output is correct
61 Correct 181 ms 2532 KB Output is correct
62 Correct 156 ms 2540 KB Output is correct
63 Correct 173 ms 2528 KB Output is correct
64 Correct 142 ms 2536 KB Output is correct
65 Correct 162 ms 1956 KB Output is correct
66 Correct 168 ms 2020 KB Output is correct

Subtask #6
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 1088 KB Output is correct
2 Correct 3 ms 1212 KB Output is correct
3 Correct 2 ms 1100 KB Output is correct
4 Correct 3 ms 1088 KB Output is correct
5 Correct 6 ms 1424 KB Output is correct
6 Correct 6 ms 1228 KB Output is correct
7 Correct 4 ms 1216 KB Output is correct
8 Correct 7 ms 1356 KB Output is correct
9 Correct 6 ms 1356 KB Output is correct
10 Correct 18 ms 1548 KB Output is correct
11 Correct 13 ms 1552 KB Output is correct
12 Correct 13 ms 1488 KB Output is correct
13 Correct 13 ms 1548 KB Output is correct
14 Correct 12 ms 1548 KB Output is correct
15 Correct 15 ms 1548 KB Output is correct
16 Correct 14 ms 1548 KB Output is correct
17 Correct 8 ms 1472 KB Output is correct
18 Correct 14 ms 1484 KB Output is correct
19 Correct 11 ms 1548 KB Output is correct
20 Correct 12 ms 1472 KB Output is correct
21 Correct 26 ms 1664 KB Output is correct
22 Correct 30 ms 1740 KB Output is correct
23 Correct 22 ms 1652 KB Output is correct
24 Correct 44 ms 1816 KB Output is correct
25 Correct 41 ms 1784 KB Output is correct
26 Correct 42 ms 1780 KB Output is correct
27 Correct 41 ms 1740 KB Output is correct
28 Correct 45 ms 1788 KB Output is correct
29 Correct 57 ms 1788 KB Output is correct
30 Correct 41 ms 1772 KB Output is correct
31 Correct 54 ms 1772 KB Output is correct
32 Correct 44 ms 1720 KB Output is correct
33 Correct 43 ms 1740 KB Output is correct
34 Correct 54 ms 1768 KB Output is correct
35 Correct 44 ms 1776 KB Output is correct
36 Correct 59 ms 1736 KB Output is correct
37 Correct 112 ms 2028 KB Output is correct
38 Correct 97 ms 2036 KB Output is correct
39 Correct 113 ms 1976 KB Output is correct
40 Correct 128 ms 2148 KB Output is correct
41 Correct 121 ms 2020 KB Output is correct
42 Correct 112 ms 2032 KB Output is correct
43 Correct 131 ms 2280 KB Output is correct
44 Correct 112 ms 2192 KB Output is correct
45 Correct 111 ms 2236 KB Output is correct
46 Correct 134 ms 1996 KB Output is correct
47 Correct 137 ms 2024 KB Output is correct
48 Correct 113 ms 2168 KB Output is correct
49 Correct 113 ms 1900 KB Output is correct
50 Correct 121 ms 2024 KB Output is correct
51 Correct 121 ms 1900 KB Output is correct
52 Correct 121 ms 2408 KB Output is correct
53 Correct 140 ms 2276 KB Output is correct
54 Correct 172 ms 2400 KB Output is correct
55 Correct 171 ms 2536 KB Output is correct
56 Correct 140 ms 2400 KB Output is correct
57 Correct 161 ms 2664 KB Output is correct
58 Correct 196 ms 2404 KB Output is correct
59 Correct 170 ms 2536 KB Output is correct
60 Correct 159 ms 2020 KB Output is correct
61 Correct 181 ms 2532 KB Output is correct
62 Correct 156 ms 2540 KB Output is correct
63 Correct 173 ms 2528 KB Output is correct
64 Correct 142 ms 2536 KB Output is correct
65 Correct 162 ms 1956 KB Output is correct
66 Correct 168 ms 2020 KB Output is correct
67 Correct 204 ms 2532 KB Output is correct
68 Correct 256 ms 1984 KB Output is correct
69 Correct 238 ms 3172 KB Output is correct
70 Correct 260 ms 2788 KB Output is correct
71 Correct 242 ms 2724 KB Output is correct
72 Correct 267 ms 2032 KB Output is correct
73 Correct 229 ms 1952 KB Output is correct
74 Correct 235 ms 3184 KB Output is correct
75 Correct 285 ms 3048 KB Output is correct
76 Correct 250 ms 3268 KB Output is correct
77 Correct 242 ms 3300 KB Output is correct