Submission #420095

#	Time	Username	Problem	Language	Result	Execution time	Memory
420095		temurbek_khujaev	Boxes with souvenirs (IOI15_boxes)	C++17	25 / 100	1 ms	288 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 ans = 1ll * N * L;
    int mid = -1;
    while (mid + K + 1 < N && p[mid + K + 1] <= (L + 1) / 2) mid++;
    for (int i = mid; i < min(N, mid + K + K + 2); i++) {
        long long cur = 0;
        int x = i;
        int y = i + 1;
        while (x >= 0) {
            cur += min(L, p[x] * 2);
            x -= K;
        }
        while (y < N) {
            cur += min(L, (L - p[y]) * 2);
            y += K;
        }
        ans = min(ans, cur);
    }
    return ans;
}

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