Submission #1225555

#	Time	Username	Problem	Language	Result	Execution time	Memory
1225555		minhpk	Kitchen (BOI19_kitchen)	C++20	100 / 100	15 ms	1096 KiB

kitchen

#include <bits/stdc++.h>
#define int long long
using namespace std;
int a,b,c;
int z[1000005];
int x[1000005];
int suma=0;
int f[4000005];

int bruh=-1e16;
int sumb=0;

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> a >> b >> c;
    for (int i=1;i<=a;i++){
         cin >> z[i];
         suma+=z[i];

    }
    for (int i=1;i<=b;i++){
         cin >> x[i];
         sumb+=x[i];
    }

    for (int i=1;i<=a;i++){
         if (z[i]<c){
            cout << "Impossible" << "\n";
            return 0;
         }
    }

    for (int i=1;i<=max(suma,sumb);i++){
         f[i]=bruh;
    }

    for (int j=1;j<=b;j++){
         for (int i=max(suma,sumb);i>=x[j];i--){
              f[i]=max(f[i],f[i-x[j]]+min(x[j],a));
         }
    }

    for (int i=1;i<=max(suma,sumb);i++){
         if (f[i]>=a*c && i>=suma){
             cout << i-suma << "\n";
             return 0;
         }
    }

     cout << "Impossible" << "\n";


    return 0;
}

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