Submission #746029

#	Time	Username	Problem	Language	Result	Execution time	Memory
746029		vjudge1	Kitchen (BOI19_kitchen)	C++14	31 / 100	29 ms	300 KiB

kitchen

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

int main(){
    int n, m, k;
    cin >> n >> m >> k;
    vector<int> a(n), b(m);
    int csum = 0, mmm = k;
    for(int i = 0; i < n; i++){
        cin >> a[i];
        csum += a[i];
        mmm = min(mmm, a[i]);
    }
    for(int i = 0; i < m; i++){
        cin >> b[i];
    }
    if(mmm < k){
        cout << "Impossible\n";
        return 0;
    }
    int ans = INT_MAX;
    int ketto[20];
    ketto[0] = 1;
    for(int i = 1; i < 20; i++){
        ketto[i] = 2 * ketto[i - 1];
    }
    for(int i = 0; i < ketto[m]; i++){
        int sum = 0;
        for(int j = 0; j < m; j++){
            if(ketto[j] & i){
                sum += b[j];
            }
        }
        if(csum > sum){
            continue;
        }
        priority_queue<int> pq;
        for(int j = 0; j < m; j++){
            if(ketto[j] & i){
                pq.push(b[j]);
            }
        }
        int n1 = n;
        vector<int> vf;
        int errar = false;
        while(n1--){
            int k1 = k;
            vf.clear();
            while(k1--){
                if(pq.size() > 0 && pq.top() > 0){
                    vf.push_back(pq.top() - 1);
                    pq.pop();
                }
                else{
                    errar = true;
                }
            }
            for(int e : vf){
                if(e > 0){
                    pq.push(e);
                }
            }
        }
        if(!errar){
            ans = min(ans, sum - csum);
            continue;
        }
    }
    if(ans != INT_MAX)
    cout << ans << endl;
    else cout << "Impossible\n";
}

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