Submission #567031

#	Time	Username	Problem	Language	Result	Execution time	Memory
567031		RealSnake	Kitchen (BOI19_kitchen)	C++14	0 / 100	1 ms	212 KiB

kitchen

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

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<pair<int, int>, null_type, less<pair<int,int>>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

#define ll long long
#define mod 1000000007

ofstream fout(".out");
ifstream fin(".in");

signed main() {

    ios::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);

    int n, m, k;
    cin >> n >> m >> k;
    int a[n], b[m];
    for(int i = 0; i < n; i++)
        cin >> a[i];
    for(int i = 0; i < m; i++)
        cin >> b[i];
    if(m <= 2) {
        int x = 0;
        for(int i = 0; i < n; i++)
            x += a[i];
        sort(b, b + m);
        if(k == 1) {
            if(b[0] >= x) {
                cout << b[0] - x;
                return 0;
            }
            if(m > 1 && b[1] >= x) {
                cout << b[1] - x;
                return 0;
            }
        }
        for(int j = 0; j < m; j++)
            x -= b[j];
        if(m >= k && x <= 0) {
            if(k == 1 || b[0] >= n) {
                cout << abs(x);
                return 0;
            }
        }
        cout << "Impossible";
        return 0;
    }

    return 0;
}

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