Submission #140085

#	Time	Username	Problem	Language	Result	Execution time	Memory
140085		SirCeness	Boxes with souvenirs (IOI15_boxes)	C++14	0 / 100	2 ms	376 KiB

boxes

#include "boxes.h"
#include <bits/stdc++.h>

#define pb push_back
#define mp make_pair
#define inside sl<=l&&r<=sr
#define outside r<sl||sr<l
#define orta ((l+r)>>1)
#define INF 1000000009
#define mod 1000000007
#define ppair(x); cerr << "(" << x.first << ", " << x.second << ")\n";
#define bas(x) #x << ": " << x << " "
#define prarr(x, n); cerr << #x << ": "; for(int qsd = 0; qsd < n; qsd++) cerr << x[qsd] << " "; cerr << "\n";
#define prarrv(x); cerr << #x << ": "; for(int qsd = 0; qsd < (int)x.size(); qsd++) cerr << x[qsd] << " "; cerr << "\n";
using namespace std;
typedef long long ll;

int n, k, s;
vector<int> arr;

ll delivery(int N, int K, int L, int p[]) {
	n = N;
	k = K;
	s = L;
	for (int i = 0; i < n; i++) arr.pb(p[i]);
	sort(arr.begin(), arr.end());
	
	int artik = n%k;
	int l = 0;
	int r = n-1;
	ll bas = arr[l+artik-1];
	ll son = s - arr[r-artik+1];
	ll ans = 0;
	if (bas < son){
		ans = bas*2;
		l += artik;
	} else {
		ans = son*2;
		r -= artik;
	}
	
	while (l < r){
		bas = arr[l+k-1];
		son = s-arr[r-k+1];
		if (2*bas > s && 2*son > s){
			ans += s;
			l += k;
			continue;
		}
		if (bas < son) ans += bas*2, l += k;
		else ans += son*2, r -= k;
	}
	
    return ans;
}

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