이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#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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