제출 #657070

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
657070		inksamurai	Kitchen (BOI19_kitchen)	C++17	9 / 100	1071 ms	42020 KiB

kitchen

#include <bits/stdc++.h>
#define int ll
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define rng(i,c,n) for(int i=c;i<n;i++)
#define fi first
#define se second
#define sz(a) (int)a.size()
#define vec(...) vector<__VA_ARGS__>
#define _3NRqilq ios::sync_with_stdio(0),cin.tie(0)
typedef long long ll;
using pii=pair<int,int>;
using vi=vector<int>;
void print(){cout<<'\n';}
template<class h,class...t>
void print(const h&v,const t&...u){cout<<v<<' ',print(u...);}
 
void chmin(int&a,int b){
	a=min(a,b);
}
 
signed main(){
_3NRqilq;	
	int n,m,k;
	cin>>n>>m>>k;
	vi a(n);
	rep(i,n){
		cin>>a[i];
	}
	vi b(m);
	rep(i,m){
		cin>>b[i];
	}
	if(k>m){
		cout<<"Impossible\n";
		return 0;
	}
	const int _n=10001;
	const int inf=1e9;
	vec(vi) dp(_n+1,vi(m+1,inf)),ndp;
	// minimum additional, k
	dp[0][0]=0;
	rep(i,m){
		int v=b[i];
		// if(v<n) continue;
		ndp=dp;
		for(int j=0;j<=_n-v;j++){
			rep(e,m){
				int nj=j+v;
				int ne=e+1;
				chmin(ndp[nj][ne],dp[j][e]);
			}
		}
		rep(e,m+1){
			for(int j=_n-1;j>=e;j--){
				chmin(ndp[j][e],ndp[j+1][e]+1);
			}
		}
		dp.swap(ndp);
	}
	int sun=0;
	rep(i,n){
		sun+=a[i];
		if(a[i]<k){
			cout<<"Impossible\n";
			return 0;
		}
	}
	int ans=inf;
	rng(i,k,m+1)chmin(ans,dp[sun][i]);
	if(ans>=inf){
		cout<<"Impossible\n";
	}else{
		cout<<ans<<"\n";
	}
}

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