제출 #863866

#제출 시각아이디문제언어결과실행 시간메모리
863866edogawa_somethingKitchen (BOI19_kitchen)C++17
72 / 100
249 ms4552 KiB
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<ll> vii; typedef pair<ll,ll> pii; #define F first #define S second #define pb push_back #define all(v) v.begin(),v.end() const ll M=90000+10; const ll inf=1e18+10; ll n,m,k,sum,b[M]; bitset<4510>dp[2][4510]; bitset<100001>dpp; int main(){ ios_base::sync_with_stdio(0),cin.tie(0); cin>>n>>m>>k; if(k>1){ for(int i=0;i<n;i++){ ll x; cin>>x; if(x<k){ cout<<"Impossible"; return 0; } sum+=x; } ll sb=0,sb1=0; for(int i=0;i<m;i++) cin>>b[i],sb+=b[i],sb1+=min(n,b[i]); sb++; sb1++; dp[0][0][0]=1; for(int i=0;i<m;i++){ for(int j=0;j<sb;j++){ for(int ii=0;ii<=n*k;ii++){ if(dp[0][j][ii]){ dp[1][j+b[i]][min(n*k,ii+min(b[i],n))]=1; } } } for(int j=0;j<sb;j++){ for(int ii=0;ii<=n*k;ii++){ if(dp[1][j][ii]) dp[0][j][ii]=1,dp[1][j][ii]=0; } } } for(ll i=sum;i<sb;i++){ if(dp[0][i][n*k]){ cout<<i-sum; return 0; } } cout<<"Impossible"; } else{ for(int i=0;i<n;i++){ ll x; cin>>x; sum+=x; } for(int i=0;i<m;i++) cin>>b[i]; dpp[0]=1; for(int i=0;i<m;i++){ for(int j=90000;j>=0;j--){ if(dpp[j]) dpp[b[i]+j]=1; } } for(int i=sum;i<90001;i++){ if(dpp[i]){ cout<<i-sum; return 0; } } cout<<"Impossible\n"; } }
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