Submission #291459

#	Time	Username	Problem	Language	Result	Execution time	Memory
291459		Berted	선물상자 (IOI15_boxes)	C++14	35 / 100	1 ms	384 KiB

boxes

#include "boxes.h"
#include <iostream>
#include <assert.h>
#include <utility>
#include <algorithm>

using namespace std;

long long delivery(int N, int K, int L, int p[]) 
{
	long long res = 0; int i, j, Lsz = 0, Rsz = 0;
	for (i = 0; i < N && p[i] <= L / 2; i++);
	for (i--; i >= 0 && p[i]; i--)
	{
		Lsz++;
		if (Lsz == K) {res += 2 * p[i + K - 1]; Lsz = 0;}
	}
	for (j = N - 1; j >= 0 && p[j] > L / 2; j--);
	for (j++; j < N; j++)
	{
		Rsz++;
		if (Rsz == K) {res += 2 * (L - p[j - K + 1]); Rsz = 0;}
	}
	long long temp = 0;
	if (Lsz) {temp += 2 * p[i + Lsz];}
	if (Rsz) {temp += 2 * (L - p[j - Rsz]);}
	res += min(temp, (long long)(Lsz + Rsz + K - 1) / K * L);
    return res;
}

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