Submission #493007

#	Time	Username	Problem	Language	Result	Execution time	Memory
493007		wiwiho	Kitchen (BOI19_kitchen)	C++14	9 / 100	1 ms	460 KiB

kitchen

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

void nosol(){
    cout << "Impossible\n";
    exit(0);
}

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cerr.tie(0);

    int n, m, k;
    cin >> n >> m >> k;

    vector<int> a(n + 1);
    vector<int> b(m + 1);
    ll sa = 0, sb = 0;
    for(int i = 1; i <= n; i++) cin >> a[i], sa += a[i];
    for(int i = 1; i <= m; i++) cin >> b[i], sb += b[i];
    sort(b.begin() + 1, b.end());
    
    if(k > m || sa > sb){
        nosol();
    }

    for(int i = 1; i <= n; i++) if(a[i] < k) nosol();

    assert(m <= 2);

    if(k == 1){
        if(sa <= b[1]) cout << b[1] - sa << "\n";
        else if(sa <= b[2]) cout << b[2] - sa << "\n";
        else cout << b[1] + b[2] - sa << "\n";
        return 0;
    }

    if(n > b[1]) nosol();

    cout << b[1] + b[2] - sa << "\n";

    return 0;
}

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