Submission #1198701

#	Time	Username	Problem	Language	Result	Execution time	Memory
1198701		Zicrus	Boxes with souvenirs (IOI15_boxes)	C++17	0 / 100	1 ms	324 KiB

boxes

#include <bits/stdc++.h>
#include "boxes.h"
using namespace std;
 
typedef long long ll;
 
ll delivery(int n, int k, int l, int p[]) {
    vector<ll> a(n+1), b(n+1);
    for (int i = 0; i < n; i++) { a[i+1] = 2*p[i]; b[i+1] = 2*(l-p[i]); }
    for (int i = k+1; i <= n; i++) a[i] += a[i-k];
    for (int i = n-k; i > 0; i--) b[i] += b[i+k];

    ll res = 1ll << 62ll;
    for (int i = 1; i <= n; i++) res = min(res, a[i-1] + b[i]);
    for (int i = 1; i + k <= n; i++) res = min(res, l + a[i-1] + b[i + k]);
    return res;
}

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