Submission #550427

#	Time	Username	Problem	Language	Result	Execution time	Memory
550427		elazarkoren	Boxes with souvenirs (IOI15_boxes)	C++17	10 / 100	1 ms	308 KiB

boxes

#include <bits/stdc++.h>
#include "boxes.h"
#define x first
#define y second
#define all(v) v.begin(), v.end()
#define chkmin(a, b) a = min(a, b)
#define chkmax(a, b) a = max(a, b)
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int, int> pii;
typedef vector<pii> vii;

long long delivery(int n, int k, int l, int p[]) {
    ll ans = l;
    sort(p, p + n);
    for (int i = 0; i < n - 1; i++) {
        chkmin(ans, ll(2) * (p[i] + (l - p[i + 1])));
    }
    chkmin(ans, ll(2) * p[n - 1]);
    chkmin(ans, ll(2) * (l - p[0]));
//    for (int i = 0; i < n; i++) {
//        ans += 2 * min(p[i], l - p[i]);
//    }
    return ans;
}
//3 2 8
//1 2 5

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:15:31: warning: unused parameter 'k' [-Wunused-parameter]
   15 | long long delivery(int n, int k, int l, int p[]) {
      |                           ~~~~^

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