Submission #524449

#	Time	Username	Problem	Language	Result	Execution time	Memory
524449		Jarif_Rahman	Kitchen (BOI19_kitchen)	C++17	21 / 100	105 ms	68484 KiB

kitchen

#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, m, k; cin >> n >> m >> k;

    vector<int> A(n), B(m);
    int s1 = 0, s2 = 0;
    for(int &x: A){
        cin >> x, s1+=x;
        if(x < k){
            cout << "Impossible\n";
            exit(0);
        }
    }
    for(int &x: B) cin >> x, s2+=x;

    vector<vector<int>> dp(m, vector<int>(s2+1, -1e9));
    for(int i = 0; i < m; i++) dp[i][0] = 0;
    
    for(int i = m-1; i >= 0; i--) for(int j = s2; j >= 0; j--){
        if(i != m-1) dp[i][j] = dp[i+1][j];
        if(j-B[i] >= 0){
            dp[i][j] = max(dp[i][j], (i != m-1 ? dp[i+1][j-B[i]]:0)+min(B[i], n));
        }
    }

    for(int i = s1; i <= s2; i++){
        if(dp[0][i] >= n*k){
            cout << i-s1 << "\n";
            exit(0);
        }
    }

    cout << "Impossible\n";
}

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