Submission #115501

#	Time	Username	Problem	Language	Result	Execution time	Memory
115501		E869120	Boxes with souvenirs (IOI15_boxes)	C++14	0 / 100	2 ms	384 KiB

boxes

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

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

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:5:31: warning: unused parameter 'K' [-Wunused-parameter]
 long long delivery(int N, int K, int L, int p[]) {
                               ^

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