제출 #79384

#제출 시각아이디문제언어결과실행 시간메모리
79384Plurm선물상자 (IOI15_boxes)C++11
0 / 100
2 ms376 KiB
#include "boxes.h"
#include <bits/stdc++.h>
using namespace std;

long long delivery(int N, int K, int L, int p[]) {
	vector<int> v;
	for(int i = 0; i < N; i++){
		v.emplace_back(min(p[i],L-p[i]));
	}
	sort(v.begin(),v.end());
	long long cur = 0ll;
	long long mn = 1e18;
	for(int i = 0; i < N; i++){
		mn = min(mn,cur + (long long)(N-i+K-1)/(long long)K*(long long)L);
		cur += 2ll*v[i];
	}
	return mn;
}
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