Submission #1004225

#	Time	Username	Problem	Language	Result	Execution time	Memory
1004225		HasanV11010238	Kitchen (BOI19_kitchen)	C++17	0 / 100	66 ms	163668 KiB

kitchen

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define INF 10000000
int main(){
    ll n, m, k, su = 0;
    cin>>n>>m>>k;
    bool ca = 0;
    if (m < k){
        ca = 1;
    }
    vector<ll> a(n + 1), b(m + 1);
    for (int i = 0;  i< n; i++){
        cin>>a[i + 1];
        su += a[i + 1];
        if (a[i + 1] < k){
            ca = 1;
        }
    }
    for (int i = 0; i < m; i++){
        cin>>b[i + 1];
    }
    if (ca){
        cout<<"Impossible";
        return 0;
    }
    vector<vector<vector<ll>>> dp(m + 1, vector<vector<ll>>(m + 1, vector<ll>(k * n + 1, 0)));
    for (int i = 1; i <= m; i++){
        for (int j = 1; j <= i; j++){
            for (ll l = i * k; l <= k * n; l++){
                if (a[j] >= k){
                    dp[i][j][l] = max(dp[i - 1][j - 1][max(l - k, 0ll)] + a[j] - min(l, k), dp[i - 1][j][l]);
                }
                else{
                    dp[i][j][l] = max(dp[i - 1][j - 1][min(l - a[j], 0ll)], dp[i - 1][j][l]);
                }
            }
        }
    }
    ll ans = m + 1;
    for (ll i = k; i <= m; i++){
        ll val = max(ans, dp[m][i][k * n]);
        if (val >= su - k * i){
            ans = min(ans, i);
        }
    }
    if (ans == m + 1){
        cout<<"Impossible";
        return 0;
    }
    cout<<ans;
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 22
• Subtask 3: 0 / 20
• Subtask 4: 0 / 21
• Subtask 5: 0 / 28