Submission #957688

#	Time	Username	Problem	Language	Result	Execution time	Memory
957688		Turkhuu	Kitchen (BOI19_kitchen)	C++17	100 / 100	83 ms	106840 KiB

kitchen

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int N, M, K;
    cin >> N >> M >> K;
    vector<int> A(N), B(M);
    for (auto &i : A) cin >> i;
    for (auto &i : B) cin >> i;
    int s = 0;
    for (int i = 0; i < N; i++) {
        if (A[i] < K) {
            cout << "Impossible";
            return 0;
        }
        s += A[i];
    }
    vector dp(M + 1, vector<int>(90001, -1e9));
    dp[0][0] = 0;
    for (int i = 0; i < M; i++) {
        dp[i + 1] = dp[i];
        for (int j = B[i]; j <= 90000; j++) {
            dp[i + 1][j] = max(dp[i + 1][j], dp[i][j - B[i]] + min(B[i], N));
        }
    }
    for (int i = s; i <= 90000; i++) {
        if (dp[M][i] >= N * K) {
            cout << i - s;
            return 0;
        }
    }
    cout << "Impossible";
    return 6/22;
}

• Subtask 1: 9 / 9
• Subtask 2: 22 / 22
• Subtask 3: 20 / 20
• Subtask 4: 21 / 21
• Subtask 5: 28 / 28