oj.uz

답안 #396462

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
396462 2021-04-30T01:51:25 Z KoD Kitchen (BOI19_kitchen) C++17
100 / 100
 26 ms 972 KB 
#include <bits/stdc++.h>

template <class T>
using Vec = std::vector<T>;

constexpr int INF = std::numeric_limits<int>::max() / 2;
constexpr int MAX = 300 * 300;

int main() {
    int N, M, K;
    std::cin >> N >> M >> K;
    Vec<int> A(N);
    for (auto& x: A) {
        std::cin >> x;
        if (x < K) {
            std::cout << "Impossible\n";
            return 0;
        }
    }
    Vec<int> big, small;
    for (int i = 0; i < M; ++i) {
        int x;
        std::cin >> x;
        (x > N ? big : small).push_back(x);
    }
    std::array<int, MAX + 1> max;
    max.fill(-1);
    max[0] = 0;
    for (const auto x: big) {
        for (int i = MAX; i >= 0; --i) {
            if (max[i] == -1) {
                continue;
            }
            max[i + x] = std::max(max[i + x], max[i] + 1);
        }
    }
    std::bitset<MAX + 1> gain;
    gain.set(0);
    for (const auto x: small) {
        gain |= gain << x;
    }
    std::array<int, MAX + 1> lowb;
    lowb.fill(INF);
    for (int i = MAX; i >= 0; --i) {
        if (gain.test(i)) {
            lowb[i] = i;
        }
        if (i < MAX) {
            lowb[i] = std::min(lowb[i], lowb[i + 1]);
        }
    }
    const int whole = std::accumulate(A.begin(), A.end(), 0);
    int ans = INF;
    for (int i = 0; i <= MAX; ++i) {
        if (max[i] == -1) {
            continue;
        }
        const int rem1 = std::max(0, N * (K - max[i]));
        const int rem2 = std::max(0, whole - i);
        const int min = lowb[std::max(rem1, rem2)];
        if (min != INF) {
            ans = std::min(ans, min + i - whole);
        }
    }
    if (ans == INF) {
        std::cout << "Impossible\n";
    }
    else {
        std::cout << ans << '\n';
    }
    return 0;
}

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 972 KB Output is correct
2 Correct 2 ms 940 KB Output is correct
3 Correct 2 ms 972 KB Output is correct
4 Correct 2 ms 972 KB Output is correct
5 Correct 2 ms 940 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 300 KB Output is correct
8 Correct 2 ms 944 KB Output is correct

Subtask #2
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 972 KB Output is correct
2 Correct 2 ms 940 KB Output is correct
3 Correct 2 ms 972 KB Output is correct
4 Correct 2 ms 972 KB Output is correct
5 Correct 2 ms 940 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 300 KB Output is correct
8 Correct 2 ms 944 KB Output is correct
9 Correct 3 ms 944 KB Output is correct
10 Correct 3 ms 972 KB Output is correct
11 Correct 2 ms 940 KB Output is correct
12 Correct 2 ms 972 KB Output is correct
13 Correct 2 ms 972 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 972 KB Output is correct
2 Correct 2 ms 972 KB Output is correct
3 Correct 3 ms 972 KB Output is correct
4 Correct 12 ms 972 KB Output is correct
5 Correct 3 ms 936 KB Output is correct
6 Correct 2 ms 972 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 972 KB Output is correct
2 Correct 3 ms 972 KB Output is correct
3 Correct 2 ms 972 KB Output is correct
4 Correct 2 ms 972 KB Output is correct
5 Correct 1 ms 204 KB Output is correct

Subtask #5
28.0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 972 KB Output is correct
2 Correct 2 ms 940 KB Output is correct
3 Correct 2 ms 972 KB Output is correct
4 Correct 2 ms 972 KB Output is correct
5 Correct 2 ms 940 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 300 KB Output is correct
8 Correct 2 ms 944 KB Output is correct
9 Correct 3 ms 944 KB Output is correct
10 Correct 3 ms 972 KB Output is correct
11 Correct 2 ms 940 KB Output is correct
12 Correct 2 ms 972 KB Output is correct
13 Correct 2 ms 972 KB Output is correct
14 Correct 2 ms 972 KB Output is correct
15 Correct 2 ms 972 KB Output is correct
16 Correct 3 ms 972 KB Output is correct
17 Correct 12 ms 972 KB Output is correct
18 Correct 3 ms 936 KB Output is correct
19 Correct 2 ms 972 KB Output is correct
20 Correct 5 ms 972 KB Output is correct
21 Correct 3 ms 972 KB Output is correct
22 Correct 2 ms 972 KB Output is correct
23 Correct 2 ms 972 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 19 ms 972 KB Output is correct
26 Correct 17 ms 972 KB Output is correct
27 Correct 10 ms 972 KB Output is correct
28 Correct 14 ms 972 KB Output is correct
29 Correct 26 ms 916 KB Output is correct
30 Correct 15 ms 972 KB Output is correct