oj.uz

답안 #582856

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
582856 2022-06-24T14:01:05 Z KoD Uplifting Excursion (BOI22_vault) C++17
40 / 100
 2221 ms 1276 KB 
#include <bits/stdc++.h>

using ll = long long;

using std::vector;
using std::pair;
using std::deque;

constexpr int inf = std::numeric_limits<int>::max() / 2;

int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    int M;
    ll T;
    std::cin >> M >> T;
    vector<ll> A(2 * M + 1);
    ll S = 0;
    for (int i = -M; i <= M; ++i) {
        std::cin >> A[i + M];
        S += i * A[i + M];
    }
    if (S < 0) {
        T = -T;
        std::reverse(A.begin(), A.end());
    }
    const int N = M * M;
    vector<int> dp(2 * N + 1, -inf);
    dp[N] = 0;
    const auto update_positive = [&](const ll K, const int W, const int V) {
        for (int r = 0; r < W; ++r) {
            if (r >= (int)dp.size()) {
                break;
            }
            deque<pair<int, int>> deq;
            for (int q = 0;; ++q) {
                const int i = q * W + r;
                if (i >= (int)dp.size()) {
                    break;
                }
                const int add = dp[i] - q * V;
                while (!deq.empty() and deq.back().first < add) {
                    deq.pop_back();
                }
                deq.emplace_back(add, q);
                while (deq.front().second + K < q) {
                    deq.pop_front();
                }
                dp[i] = deq.front().first + q * V;
            }
        }
    };
    const auto update = [&](const ll K, const int W, const int V) {
        if (W > 0) {
            update_positive(K, W, V);
        }
        if (W < 0) {
            std::reverse(dp.begin(), dp.end());
            update_positive(K, -W, V);
            std::reverse(dp.begin(), dp.end());
        }
    };
    S = 0;
    ll sum = 0;
    for (int i = -M; i <= M; ++i) {
        const ll take = i <= 0 ? A[i + M] : std::min(A[i + M], (T - S) / i);
        const ll remain = A[i + M] - take;
        S += i * take;
        sum += take;
        update(take, -i, -1);
        update(remain, i, 1);
    }
    if (std::abs(T - S) > N or dp[T - S + N] < -2 * M) {
        std::cout << "impossible\n";
    } else {
        std::cout << sum + dp[T - S + N] << '\n'; 
    }
    return 0;
}

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 11 ms 336 KB Output is correct
6 Correct 11 ms 340 KB Output is correct
7 Correct 11 ms 212 KB Output is correct
8 Correct 11 ms 332 KB Output is correct
9 Incorrect 11 ms 332 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 11 ms 336 KB Output is correct
6 Correct 11 ms 340 KB Output is correct
7 Correct 11 ms 212 KB Output is correct
8 Correct 11 ms 332 KB Output is correct
9 Incorrect 11 ms 332 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #3-1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 3 ms 212 KB Output is correct
3 Correct 3 ms 320 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 3 ms 212 KB Output is correct
6 Correct 3 ms 212 KB Output is correct
7 Correct 3 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 3 ms 212 KB Output is correct
10 Correct 2 ms 212 KB Output is correct

Subtask #3-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 3 ms 212 KB Output is correct
3 Correct 3 ms 320 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 3 ms 212 KB Output is correct
6 Correct 3 ms 212 KB Output is correct
7 Correct 3 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 3 ms 212 KB Output is correct
10 Correct 2 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 3 ms 212 KB Output is correct
16 Correct 3 ms 212 KB Output is correct
17 Correct 2 ms 212 KB Output is correct
18 Correct 3 ms 272 KB Output is correct
19 Correct 3 ms 212 KB Output is correct
20 Correct 3 ms 212 KB Output is correct
21 Correct 3 ms 212 KB Output is correct
22 Correct 3 ms 212 KB Output is correct
23 Correct 3 ms 212 KB Output is correct
24 Correct 3 ms 212 KB Output is correct
25 Correct 3 ms 212 KB Output is correct
26 Incorrect 3 ms 212 KB Output isn't correct
27 Halted 0 ms 0 KB -

Subtask #4-1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 3 ms 212 KB Output is correct
3 Correct 3 ms 320 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 3 ms 212 KB Output is correct
6 Correct 3 ms 212 KB Output is correct
7 Correct 3 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 3 ms 212 KB Output is correct
10 Correct 2 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 2 ms 212 KB Output is correct
13 Correct 2 ms 212 KB Output is correct
14 Correct 3 ms 212 KB Output is correct
15 Correct 3 ms 212 KB Output is correct
16 Correct 3 ms 212 KB Output is correct
17 Correct 3 ms 212 KB Output is correct
18 Correct 3 ms 276 KB Output is correct
19 Correct 3 ms 212 KB Output is correct
20 Correct 3 ms 212 KB Output is correct
21 Correct 11 ms 212 KB Output is correct
22 Correct 10 ms 212 KB Output is correct
23 Correct 10 ms 340 KB Output is correct
24 Correct 11 ms 336 KB Output is correct
25 Correct 11 ms 332 KB Output is correct
26 Correct 11 ms 212 KB Output is correct
27 Correct 12 ms 348 KB Output is correct
28 Correct 11 ms 332 KB Output is correct

Subtask #4-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 11 ms 336 KB Output is correct
6 Correct 11 ms 340 KB Output is correct
7 Correct 11 ms 212 KB Output is correct
8 Correct 11 ms 332 KB Output is correct
9 Incorrect 11 ms 332 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #5-1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 3 ms 212 KB Output is correct
3 Correct 3 ms 320 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 3 ms 212 KB Output is correct
6 Correct 3 ms 212 KB Output is correct
7 Correct 3 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 3 ms 212 KB Output is correct
10 Correct 2 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 2 ms 212 KB Output is correct
13 Correct 2 ms 212 KB Output is correct
14 Correct 3 ms 212 KB Output is correct
15 Correct 3 ms 212 KB Output is correct
16 Correct 3 ms 212 KB Output is correct
17 Correct 3 ms 212 KB Output is correct
18 Correct 3 ms 276 KB Output is correct
19 Correct 3 ms 212 KB Output is correct
20 Correct 3 ms 212 KB Output is correct
21 Correct 11 ms 212 KB Output is correct
22 Correct 10 ms 212 KB Output is correct
23 Correct 10 ms 340 KB Output is correct
24 Correct 11 ms 336 KB Output is correct
25 Correct 11 ms 332 KB Output is correct
26 Correct 11 ms 212 KB Output is correct
27 Correct 12 ms 348 KB Output is correct
28 Correct 11 ms 332 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 3 ms 212 KB Output is correct
31 Correct 2 ms 212 KB Output is correct
32 Correct 3 ms 212 KB Output is correct
33 Correct 3 ms 212 KB Output is correct
34 Correct 3 ms 212 KB Output is correct
35 Correct 3 ms 212 KB Output is correct
36 Correct 3 ms 212 KB Output is correct
37 Correct 3 ms 212 KB Output is correct
38 Correct 2 ms 212 KB Output is correct
39 Correct 10 ms 212 KB Output is correct
40 Correct 11 ms 212 KB Output is correct
41 Correct 11 ms 340 KB Output is correct
42 Correct 11 ms 344 KB Output is correct
43 Correct 11 ms 344 KB Output is correct
44 Correct 11 ms 340 KB Output is correct
45 Correct 10 ms 340 KB Output is correct
46 Correct 11 ms 340 KB Output is correct
47 Correct 76 ms 340 KB Output is correct
48 Correct 79 ms 372 KB Output is correct
49 Correct 78 ms 396 KB Output is correct
50 Correct 74 ms 380 KB Output is correct
51 Correct 85 ms 376 KB Output is correct
52 Correct 81 ms 376 KB Output is correct
53 Correct 76 ms 340 KB Output is correct
54 Correct 76 ms 400 KB Output is correct

Subtask #5-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 11 ms 336 KB Output is correct
6 Correct 11 ms 340 KB Output is correct
7 Correct 11 ms 212 KB Output is correct
8 Correct 11 ms 332 KB Output is correct
9 Incorrect 11 ms 332 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #6-1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 3 ms 212 KB Output is correct
3 Correct 3 ms 320 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 3 ms 212 KB Output is correct
6 Correct 3 ms 212 KB Output is correct
7 Correct 3 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 3 ms 212 KB Output is correct
10 Correct 2 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 2 ms 212 KB Output is correct
13 Correct 2 ms 212 KB Output is correct
14 Correct 3 ms 212 KB Output is correct
15 Correct 3 ms 212 KB Output is correct
16 Correct 3 ms 212 KB Output is correct
17 Correct 3 ms 212 KB Output is correct
18 Correct 3 ms 276 KB Output is correct
19 Correct 3 ms 212 KB Output is correct
20 Correct 3 ms 212 KB Output is correct
21 Correct 11 ms 212 KB Output is correct
22 Correct 10 ms 212 KB Output is correct
23 Correct 10 ms 340 KB Output is correct
24 Correct 11 ms 336 KB Output is correct
25 Correct 11 ms 332 KB Output is correct
26 Correct 11 ms 212 KB Output is correct
27 Correct 12 ms 348 KB Output is correct
28 Correct 11 ms 332 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 3 ms 212 KB Output is correct
31 Correct 2 ms 212 KB Output is correct
32 Correct 3 ms 212 KB Output is correct
33 Correct 3 ms 212 KB Output is correct
34 Correct 3 ms 212 KB Output is correct
35 Correct 3 ms 212 KB Output is correct
36 Correct 3 ms 212 KB Output is correct
37 Correct 3 ms 212 KB Output is correct
38 Correct 2 ms 212 KB Output is correct
39 Correct 10 ms 212 KB Output is correct
40 Correct 11 ms 212 KB Output is correct
41 Correct 11 ms 340 KB Output is correct
42 Correct 11 ms 344 KB Output is correct
43 Correct 11 ms 344 KB Output is correct
44 Correct 11 ms 340 KB Output is correct
45 Correct 10 ms 340 KB Output is correct
46 Correct 11 ms 340 KB Output is correct
47 Correct 76 ms 340 KB Output is correct
48 Correct 79 ms 372 KB Output is correct
49 Correct 78 ms 396 KB Output is correct
50 Correct 74 ms 380 KB Output is correct
51 Correct 85 ms 376 KB Output is correct
52 Correct 81 ms 376 KB Output is correct
53 Correct 76 ms 340 KB Output is correct
54 Correct 76 ms 400 KB Output is correct
55 Correct 1 ms 212 KB Output is correct
56 Correct 3 ms 212 KB Output is correct
57 Correct 3 ms 212 KB Output is correct
58 Correct 3 ms 212 KB Output is correct
59 Correct 3 ms 212 KB Output is correct
60 Correct 3 ms 212 KB Output is correct
61 Correct 3 ms 212 KB Output is correct
62 Correct 3 ms 212 KB Output is correct
63 Correct 3 ms 212 KB Output is correct
64 Correct 2 ms 212 KB Output is correct
65 Correct 10 ms 212 KB Output is correct
66 Correct 10 ms 336 KB Output is correct
67 Correct 10 ms 340 KB Output is correct
68 Correct 10 ms 212 KB Output is correct
69 Correct 10 ms 340 KB Output is correct
70 Correct 10 ms 340 KB Output is correct
71 Correct 11 ms 344 KB Output is correct
72 Correct 10 ms 344 KB Output is correct
73 Correct 83 ms 340 KB Output is correct
74 Correct 81 ms 340 KB Output is correct
75 Correct 76 ms 388 KB Output is correct
76 Correct 77 ms 376 KB Output is correct
77 Correct 73 ms 400 KB Output is correct
78 Correct 80 ms 376 KB Output is correct
79 Correct 80 ms 340 KB Output is correct
80 Correct 77 ms 400 KB Output is correct
81 Correct 2114 ms 1184 KB Output is correct
82 Correct 2133 ms 1020 KB Output is correct
83 Correct 2221 ms 1020 KB Output is correct
84 Correct 2200 ms 1188 KB Output is correct
85 Correct 2083 ms 1020 KB Output is correct
86 Correct 2094 ms 1016 KB Output is correct
87 Correct 2176 ms 1276 KB Output is correct

Subtask #6-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 11 ms 336 KB Output is correct
6 Correct 11 ms 340 KB Output is correct
7 Correct 11 ms 212 KB Output is correct
8 Correct 11 ms 332 KB Output is correct
9 Incorrect 11 ms 332 KB Output isn't correct
10 Halted 0 ms 0 KB -