제출 #509575

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
509575		kianaRZV	Kitchen (BOI19_kitchen)	C++14	100 / 100	110 ms	119752 KiB

kitchen

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

const int maxn = 305, inf = 1e9 + 9;
int n, m, k, ans = inf, sum;
int a[maxn], b[maxn], dp[maxn][100005];
bool check = false;

void read_input() {
    cin >> n >> m >> k;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
        sum += a[i];
        check |= (a[i] < k);
    }
    for (int i = 1; i <= m; i++)
        cin >> b[i];
}

void solve() {
    memset(dp, -63, sizeof(dp));
    dp[0][0] = 0;
    for (int i = 1; i <= m; i++)
        for (int j = 0; j < 100005; j++) {
            dp[i][j] = dp[i - 1][j];
            if (j - b[i] >= 0)
                dp[i][j] = max(dp[i][j], dp[i - 1][j - b[i]] + min(n, b[i]));
            if (j >= sum && dp[i][j] >= n * k)
                ans = min(ans, j - sum);
        }
    if (check || ans >= inf)
        cout << "Impossible";
    else
        cout << ans;
}

int32_t main() {
    ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0);
    read_input(), solve();
    return 0;
}

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