Submission #365778

#	Time	Username	Problem	Language	Result	Execution time	Memory
365778		Yomapeed	Kitchen (BOI19_kitchen)	C++17	21 / 100	1086 ms	59372 KiB

kitchen

#include<bits/stdc++.h>
#define pi 3.141592653589793238
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#define MOD 1000000007
#define INF 999999999999999999 
#define pb push_back
#define ff first
#define ss second
 
#define mt make_tuple
#define ll long long
#define fast ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>

using namespace __gnu_pbds;
 
 
typedef tree<ll, null_type, less_equal<ll>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
 
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
const int N = 50 + 2;
bool dp[N][N][N][N * N];
void chmin(ll& a, ll b){
    a = min(a, b);
} 
void eq(bool& a, bool b){
    a = b;
}
int main() {
    //freopen("input.txt", "r", stdin);
    //freopen("output.txt", "w", stdout);
    fast;
    ll T = 1, i, j;
    
    //cin >> T;
    while (T--) {
        ll n, m, k;
        cin >> n >> m >> k;
        vector<ll> a(n), b(m);
        bool flag = true;
        ll sum = 0;
        ll sa = 0;
        for(i = 0; i < n; i++){
            cin >> a[i];
            if(a[i] < k){
                flag = false;
            }
            sum += a[i];
        }
        sa = sum;
        for(i = 0; i < m; i++){
            cin >> b[i];
            sum -= b[i];
        }
        if(sum > 0){
            flag = false;
        }
        if(m < k){
            flag = false;
        }
        if(!flag){
            cout << "Impossible\n";
            return 0;
        }
        dp[0][0][0][0] = 1;
        for(i = 0; i < m; i++){
            ll B = min(b[i], n);
            for(ll x = 0; x < n; x++){
                for(ll done = 0; done <= 40; done++){
                    for(ll s = 0; s < 1700; s++){
                        if(dp[i][x][done][s] == 0){
                            continue;
                        }
                        dp[i + 1][x][done][s] += dp[i][x][done][s];
                        if(x + B < n){
                            eq(dp[i + 1][x + B][done][s + b[i]], dp[i][x][done][s]);
                            dp[i + 1][x + B][done][s + b[i]] += dp[i][x + B][done][s + b[i]];
                            //cout << dp[i + 1][x + B][done][s + b[i]] << " " << i + 1 << " " << x + B << " " << done << endl;
                            //cout << s + b[i] << endl;
                        }
                        else{
                            eq(dp[i + 1][x + B - n][done + 1][s + b[i]], dp[i][x][done][s]);
                            dp[i + 1][x + B - n][done+ 1][s + b[i]] += dp[i][x + B - n][done + 1][s + b[i]];
                            ////cout << dp[i + 1][x + B - n][done + 1][s + b[i]] << " " << i + 1 << " " << x + B - n << " " << done + 1 << endl;
                            ////cout << s + b[i] << endl;
                        }
                    }

                }
            }
        }
        // if(dp[m][0][k] == INF){
        //     cout << "Impossible\n";
        //     return 0;
        // }
        //cout << sa << endl;
        ll ans = INF;
        for(i = 0; i < n; i++){
            for(j = sa; j < 1700; j++){
                for(ll kk = k; kk <= 40; kk++){
                    if(dp[m][i][kk][j]){
                        chmin(ans, j - sa);
                    }
                }
            }
        }
        if(ans >= 10000000){
            cout << "Impossible\n";
            return 0;
        }
        cout << ans << endl;
    }
    return 0;
}

Compilation message (stderr)

kitchen.cpp:4: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
    4 | #pragma GCC optimization ("O3")
      | 
kitchen.cpp:5: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
    5 | #pragma GCC optimization ("unroll-loops")
      |

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