Submission #1048096

#	Time	Username	Problem	Language	Result	Execution time	Memory
1048096		Braabebo10	Kitchen (BOI19_kitchen)	C++17	100 / 100	11 ms	8288 KiB

kitchen

#include <bits/stdc++.h>
#define ll long long
#define nl "\n"
#define yes "YES"
#define no "NO"
#define all(v) v.begin(),v.end()
#define fast ios_base::sync_with_stdio(false);cin.tie(NULL);
using namespace std;
const ll N=1e6+10;
ll n,m,k;
vector<ll>a,b;
ll dp[N];
int main() {
    fast
    memset(dp,-1, sizeof(dp));
    cin>>n>>m>>k;
    a=vector<ll>(n);
    b=vector<ll>(m);
    ll sm=0;
    bool ok=1;
    for(ll &i:a)cin>>i,sm+=i,ok&=(i>=k);
    for(ll &i:b)cin>>i;
    if(!ok){
        cout<<"Impossible"<<nl;
        return 0;
    }
    ll sm2=0;
    dp[0]=0;
    for(ll i=1;i<=m;i++){
        for(ll j=sm2;j>=0;j--){
            if(dp[j]!=-1)dp[j+b[i-1]]=max(dp[j+b[i-1]],dp[j]+min(n,b[i-1]));
        }
        sm2+=b[i-1];
    }
    for(ll i=sm;i<N;i++){
        if(dp[i]>=n*k){
            cout<<i-sm<<nl;
            return 0;
        }
    }
    cout<<"Impossible"<<nl;
    return 0;
}

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