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Submission #464473

# Submission time Handle Problem Language Result Execution time Memory
464473 2021-08-13T09:27:01 Z Khizri Kitchen (BOI19_kitchen) C++17
51 / 100
 789 ms 4900 KB 
#include <bits/stdc++.h>
using namespace std;
//------------------------------DEFINE------------------------------
//******************************************************************
#define IOS ios_base::sync_with_stdio(false); cin.tie(0),cout.tie(0)
#define ll long long
#define pb push_back		 
#define F first																 
#define S second 															 
#define INF 1e18
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define pii pair<int,int>
#define pll pair<ll,ll>
#define OK cout<<"Ok"<<endl;
#define MOD (ll)(1e9+7)
#define endl "\n"
//******************************************************************
//----------------------------FUNCTION------------------------------
//******************************************************************
ll gcd(ll a,ll b){
	if(a>b) swap(a,b);
	if(a==0) return a+b;
	return gcd(b%a,a);
}
ll lcm(ll a,ll b){
	return a/gcd(a,b)*b;
}
bool is_prime(ll n){
	ll k=sqrt(n);
	if(n==2) return true;
	if(n<2||n%2==0||k*k==n) return false;
	for(int i=3;i<=k;i+=2){
		if(n%i==0){
			return false;
		}
	}
	return true;
}
//*****************************************************************
//--------------------------MAIN-CODE------------------------------
const int mxn=2e5+5;
int t=1,n,m,k,arr[mxn],b[mxn],sum,x;
bool q=false;
void solve(){
	cin>>m>>n>>k;
	for(int i=1;i<=m;i++){
		cin>>b[i];
		sum+=b[i];
		if(b[i]<k){
			q=true;
		}
	}
	for(int i=1;i<=n;i++){
		cin>>arr[i];
		x+=arr[i];
	}
	if(n<k||x<sum){
		q=true;
	}
	if(q){
		cout<<"Impossible"<<endl;
		return;
	}
	if(k==1){
		sort(arr+1,arr+n+1);
		map<int,bool>mp;
		mp[0]=1;
		for(int i=1;i<=n;i++){
			vector<int>vt;
			for(auto it=mp.begin();it!=mp.end();it++){
				int x=it->F;
				vt.pb(x+arr[i]);
			}
			for(int v:vt){
				mp[v]=true;
			}
		}
		int ans=1e7;
		for(auto it=mp.begin();it!=mp.end();it++){
			int x=it->F;
			if(x>=sum){
				ans=min(ans,x-sum);
			}
		}
		if(ans==1e7){
			cout<<"Impossible"<<endl;
		}
		else{
			cout<<ans<<endl;
		}
		return;
	}
	map<int,int>mp;
	mp[0]=0;
	sort(arr+1,arr+n+1);
	for(int i=1;i<=n;i++){
		if(arr[i]>=k){
			vector<pii>vt;
			for(auto it=mp.begin();it!=mp.end();it++){
				vt.pb({it->F+arr[i],it->S+1});
			}
			for(pii v:vt){
				mp[v.F]=max(mp[v.F],v.S);
			}
		}
	}
	int ans=1e7;
	for(auto it=mp.begin();it!=mp.end();it++){
		if(it->F>=sum&&it->S>=k){
			ans=min(ans,(it->F)-sum);
		}
	}
	if(ans==1e7){
		cout<<"Impossible"<<endl;
		return;
	}
	cout<<ans<<endl;
}
int main(){
	IOS;
	//cin>>t;
	while(t--){
		solve();
	}
	return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 2 ms 460 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 1816 KB Output is correct
2 Correct 224 ms 2040 KB Output is correct
3 Correct 328 ms 2992 KB Output is correct
4 Correct 789 ms 4900 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 82 ms 1360 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 2 ms 460 KB Output is correct
14 Correct 35 ms 1816 KB Output is correct
15 Correct 224 ms 2040 KB Output is correct
16 Correct 328 ms 2992 KB Output is correct
17 Correct 789 ms 4900 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 82 ms 1360 KB Output is correct
20 Incorrect 1 ms 332 KB Output isn't correct
21 Halted 0 ms 0 KB -