Submission #329201

#	Time	Username	Problem	Language	Result	Execution time	Memory
329201		Mahdi_Shokoufi	Kitchen (BOI19_kitchen)	C++17	100 / 100	112 ms	109696 KiB

kitchen

//In The Name of Allah
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair < int , int > pii;
typedef pair < ll , ll > pll;

#define X first
#define Y second
#define mp make_pair
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x.size())

const int N = 300 + 10;
const int M = 90000 + 10;
const ll mod = 1e9 + 7;
const int inf = 1e9 + 10;

int a[N], b[N], dp[N][M];

int main(){
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n, m, k;
    cin >> n >> m >> k;
    int sum = 0, mn = inf;
    for (int i = 1; i <= n; i ++)
        cin >> a[i], sum += a[i], mn = min(mn, a[i]);
    for (int i = 1; i <= m; i ++)
        cin >> b[i];
    if (mn < k)
        return cout << "Impossible", 0;
    for (int i = 0; i < N; i ++)
        for (int j = 0; j < M; j ++)
            dp[i][j] = -inf;
    dp[0][0] = 0;
    for (int i = 1; i <= m; i ++){
        for (int j = 0; j < M; j ++){
            dp[i][j] = dp[i - 1][j];
            if (b[i] <= j && dp[i - 1][j - b[i]] != -inf)
                dp[i][j] = max(dp[i][j], dp[i - 1][j - b[i]] + min(b[i], n));
        }
    }
    int ans = inf;
    for (int j = sum; j < M; j ++)
        if (n * k <= dp[m][j])
            ans = min(ans, j - sum);
    if (ans == inf)
        return cout << "Impossible", 0;
    cout << ans;
    return 0;
}

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