Submission #1333002

#	Time	Username	Problem	Language	Result	Execution time	Memory
1333002		kawhiet	Boxes with souvenirs (IOI15_boxes)	C++20	10 / 100	1 ms	348 KiB

boxes

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

long long delivery(int n, int k, int len, int p[]) {
    vector<int> pos;
    for (int i = 0; i < n; i++) {
        if (p[i] > 0) {
            pos.push_back(p[i]);
        }
    }
    n = pos.size();
    vector<int> l, r;
    for (int i = 0; i < n; i++) {
        if (pos[i] <= len / 2) {
            l.push_back(pos[i]);
        } else {
            r.push_back(pos[i]);
        }
    }
    ranges::reverse(r);
    long long ans = 0;
    if (l.size() % k > 0 && r.size() % k > 0) {
        ans += len;
        l.pop_back();
        r.pop_back();
    }
    for (int i = k - 1; i < l.size(); i += k) {
        ans += l[i] * 2;
    }
    for (int i = k - 1; i < r.size(); i += k) {
        ans += (len - r[i]) * 2;
    }
    if (l.size() % k > 0) ans += l.back() * 2;
    if (r.size() % k > 0) ans += (len - r.back()) * 2;
    return ans;
}

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