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Submission #707433

# Submission time Handle Problem Language Result Execution time Memory
707433 2023-03-09T02:17:31 Z tht2005 Boxes with souvenirs (IOI15_boxes) C++17
100 / 100
 750 ms 240236 KB 
#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), val(N + 1);
    f[0] = 0;
    val[0] = -2LL * pos[0];
    deque<LL> dq;
    for(int i = 1; i <= N; ++i) {
        f[i] = pos[i - 1] + min(pos[i - 1], L - pos[i - 1]) + (i < K ? 0 : f[i - K]);
        f[i] = min(f[i], L + (i < K ? 0 : f[i - K]));
        while(!dq.empty() && val[i - 1] < dq.back()) {
            dq.pop_back();
        }
        dq.push_back(val[i - 1]);
        f[i] = min(f[i], 2LL * L + dq.front());
        if(i < N) {
            val[i] = f[i] - 2LL * pos[i];
        }
        if(i >= K && val[i - K] == dq.front()) {
            dq.pop_front();
        }
    }
    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
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 58 ms 19884 KB Output is correct
34 Correct 28 ms 21784 KB Output is correct
35 Correct 31 ms 22216 KB Output is correct
36 Correct 69 ms 29644 KB Output is correct
37 Correct 65 ms 29564 KB Output is correct
38 Correct 65 ms 29636 KB Output is correct
39 Correct 63 ms 28096 KB Output is correct
40 Correct 36 ms 23568 KB Output is correct
41 Correct 70 ms 29632 KB Output is correct
42 Correct 40 ms 23784 KB Output is correct

Subtask #6
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 58 ms 19884 KB Output is correct
34 Correct 28 ms 21784 KB Output is correct
35 Correct 31 ms 22216 KB Output is correct
36 Correct 69 ms 29644 KB Output is correct
37 Correct 65 ms 29564 KB Output is correct
38 Correct 65 ms 29636 KB Output is correct
39 Correct 63 ms 28096 KB Output is correct
40 Correct 36 ms 23568 KB Output is correct
41 Correct 70 ms 29632 KB Output is correct
42 Correct 40 ms 23784 KB Output is correct
43 Correct 750 ms 214780 KB Output is correct
44 Correct 263 ms 219680 KB Output is correct
45 Correct 286 ms 204524 KB Output is correct
46 Correct 574 ms 210492 KB Output is correct
47 Correct 640 ms 239056 KB Output is correct
48 Correct 558 ms 240236 KB Output is correct
49 Correct 503 ms 226432 KB Output is correct
50 Correct 308 ms 218284 KB Output is correct
51 Correct 548 ms 231528 KB Output is correct
52 Correct 325 ms 216040 KB Output is correct