Submission #707412

#	Time	Username	Problem	Language	Result	Execution time	Memory
707412		tht2005	Boxes with souvenirs (IOI15_boxes)	C++17	50 / 100	2043 ms	21712 KiB

boxes

#include <bits/stdc++.h>

using namespace std;

#define LL long long
const LL INF = 1LL << 60;

LL delivery(int N, int K, int L, int pos[]) {
    vector<LL> f(N + 1, INF);
    f[0] = 0;
    for(int i = 0; i < N; ++i) {
        for(int j = i; j < i + K && j < N; ++j) {
            LL cost = min(pos[j] + min(pos[j], L - pos[j]), L - pos[i] + min(pos[i], L - pos[i]));
            f[j + 1] = min(f[j + 1], f[i] + cost);
        }
    }
    return f[N];
}

#ifdef tomoshibi
int main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    int n, k, l, pos[100];
    cin >> n >> k >> l;
    for(int i = 0; i < n; ++i) {
        cin >> pos[i];
    }
    cout << delivery(n, k, l, pos);
    return 0;
}
#endif

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