Submission #444498

#	Time	Username	Problem	Language	Result	Execution time	Memory
444498		Khizri	Boxes with souvenirs (IOI15_boxes)	C++17	20 / 100	1 ms	204 KiB

boxes

#include "boxes.h"
#include <bits/stdc++.h>
using namespace std;
#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"
ll funk(int n,int k,int dis,int arr[],int l,int r){
	if(l>r||l<0||r<0||l>=n||r>=n){
		return 0;
	}
	ll ans=INF;
	for(int i=l;i<=min(r,l+k-1);i++){
		ans=min(ans,arr[i]*2ll+funk(n,k,dis,arr,i+1,r));
	}
	//cout<<l<<' '<<r<<' '<<ans<<endl;
	for(int i=r;i>=max(l,r-k+1);i--){
		ans=min(ans,(dis-arr[i])*2ll+funk(n,k,dis,arr,l,i-1));
	}
	//cout<<l<<' '<<r<<' '<<ans<<endl;
	return ans;
}
long long delivery(int n, int k, int l, int arr[]) {
    ll ans=0;
    if(k==1){
    	for(int i=0;i<n;i++){
    		ans+=min(arr[i],l-arr[i])*2;
		}
		return ans;
	}
	if(k==n){
		sort(arr,arr+n);
		ans=min({arr[n-1]*2,(l-arr[0])*2,l});
		arr[n]=l;
		for(int i=0;i<n;i++){
			ans=min(ans,arr[i]*2ll+(l-arr[i+1])*2ll);
		}
		return ans;
	}
	ans=funk(n,k,l,arr,0,n-1);
	return ans;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30