Submission #115502

#	Time	Username	Problem	Language	Result	Execution time	Memory
115502		E869120	선물상자 (IOI15_boxes)	C++14	0 / 100	3 ms	512 KiB

boxes

#include "boxes.h"
#include <bits/stdc++.h>
using namespace std;

long long delivery(int N, int K, int L, int p[]) {
	assert(N == K);
	long long minx = (1LL << 60);
	for (int i = -1; i < N; i++) {
		long long sum = 0;
		for (int j = i; j >= 0; j -= K) sum += 1LL * p[j];
		for (int j = i + 1; j < N; j += K) sum += 1LL * (L - p[j]);
		minx = min(minx, 2LL * sum);
	}
	return minx;
}

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