Submission #1004326

#	Time	Username	Problem	Language	Result	Execution time	Memory
1004326		LilPluton	Kitchen (BOI19_kitchen)	C++14	0 / 100	42 ms	600 KiB

kitchen

#include <bits/stdc++.h>
/// author: LilPluton auuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu
#define OPT         ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define intt        long long
#define ll          long long
#define pb          push_back
#define arr         array
#define vll         vector<int>
#define fi          first
#define se          second
#define rep(i,j,k)  for(int i = j; i <= k; ++i)
#define all(a)      a.begin(),a.end()
#define pii         pair<int,int>
#define endll       '\n'
using namespace std;
const ll INF = 1e18;
const int N = 1e3 + 5;
 
ll n, m, k, sum, chefsum;
ll a[N], chef[N];
ll dp[N][N];
signed main()
{
    cin >> n >> m >> k;
    for(ll i = 1; i <= n; ++i)
        cin >> a[i], sum += a[i];
    sort(a + 1, a + n + 1);
    for(ll i = 1; i <= m; ++i)
        cin >> chef[i], chefsum += chef[i];
    sort(chef + 1, chef + m + 1);
    
    if(k == 1)
    {
        ll ans = INF;
        dp[0][0] = 1;
        for (int i = 1; i <= m; ++i) {
            for (int j = N; j >= chef[i]; --j) {
                for (int f = 1; f <= m; ++f) {
                    if (dp[f - 1][j - chef[i]]) {
                        dp[f][j] = true;
                    }
                }
            }
        }
        for(ll i = k; i <= m; ++i)
        {
            for(ll j = sum; j <= N; ++j)
            {
                if(dp[i][j])
                {
                    ans = min(ans, i - sum);
                    break;
                }
            }
        }
        if(ans != INF)
            cout << ans << endll;
        else 
            cout << "Impossible" << endll;
        return 0; 
    }
    
    if(m < k || a[1] < k)
    {
        cout << "Impossible" << endll;
        return 0;
    }
    
}

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