Submission #1291368

#	Time	Username	Problem	Language	Result	Execution time	Memory
1291368		nathlol2	Kitchen (BOI19_kitchen)	C++20	0 / 100	1 ms	576 KiB

kitchen

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

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int n, m, k;
    cin >> n >> m >> k;
    int a[n], b[m], sm = 0, sma = 0;
    for(int i = 0;i<n;i++){
        cin >> a[i];
        sm += a[i];
        sma += a[i];
    }
    for(int i = 0;i<m;i++){
        cin >> b[i];
        sm -= b[i];
    }
    if(sm > 0 || k > 2) return cout << "Impossible\n", 0;
    if(m == 1){
        if(k > 1) return cout << "Impossible\n", 0;
        if(b[0] >= sma) cout << b[0] - sma;
        else cout << "Impossible\n";
        return 0;
    }
    int ans = INT_MAX;
    if(k == 1){
        if(b[0] >= sma) ans = min(ans, b[0] - sma);
        if(b[1] >= sma) ans = min(ans, b[1] - sma);
        if(b[0] + b[1] >= sma) ans = min(ans, b[0] + b[1] - sma);
    }else{
        if(b[0] + b[1] >= sma && (b[0] >= n && b[1] >= n)) ans = min(ans, b[0] + b[1] - sma);
    }
    if(ans == INT_MAX){
        cout << "Impossible";
    }else{
        cout << ans;
    }
}

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