Submission #1029439

#TimeUsernameProblemLanguageResultExecution timeMemory
1029439XJP12Boxes with souvenirs (IOI15_boxes)C++14
10 / 100
1 ms596 KiB
#include <bits/stdc++.h>
//#include "boxes.h"
using namespace std;
typedef long long ll;
typedef vector<int> vi;
ll delivery(int n, int k, int L, int positions[]){
	ll l=(ll)L;
	if(k==1){
		ll ans=0;
		for(int i=0; i<n; i++){
			ans+=min(positions[i],L-positions[i])*2;
		}
		return ans;
	}
	if(k==n){
		// vi pos;
		// set<ll> z;
		// for(int i=0; i<n; i++){
		// 	int size=(int)z.size();
		// 	z.insert(positions[i]);
		// 	if((int)z.size()!=size){
		// 		pos.push_back(positions[i]);
		// 	}
		// }
		// int x=-1,y=-1;
		// for(int i=0; i<pos.size(); i++){
		// 	if(pos[i]*2>=l) break;
		// 	x = i;
		// }
		// for(int i=pos.size()-1; i>=0; i--){
		// 	if((l-pos[i])*2>l) break;
		// 	y = i;
		// }
		// long long ans=0;
		// if(x!=-1) ans+=pos[x]*2;
		// if(y!=-1) ans+=(n-pos[y])*2;
		// ans=min(l, ans);
		// if(x==-1 && y==-1) ans=l;
		return l;
	}
	return 0;
}
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