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Submission #937657

# Submission time Handle Problem Language Result Execution time Memory
937657 2024-03-04T10:16:03 Z danikoynov Boxes with souvenirs (IOI15_boxes) C++14
100 / 100
 508 ms 374492 KB 
#include "boxes.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const ll inf = 1e18;
const int maxn = 1e7 + 10;

int n, k;
ll p[maxn], temp[maxn];
ll L;

ll get_price_left(int x)
{
    ll res = 0;
    int t = 0;
    for (int i = x - 1; i >= 0; i --)
    {
        t ++;
        if ((t - 1) % k == 0)
    {
        //cout << t << endl;
        res = res + 2 * p[i];
    }
    }
    return res;
}

ll get_price_right(int x)
{
    ll res = 0;
    int t = 0;
    for (int i = n - x; i < n; i ++)
    {
        t ++;
        if ((t - 1) % k == 0)
        {
            ///cout << t << endl;
            res = res + 2 * (L - p[i]);
        }
    }
    return res;
}

ll pref[maxn], suff[maxn];
long long delivery(int N, int K, int _L, int P[])
{
    for (int i = 0; i < N; i ++)
        p[i] = P[i];

    n = N;
    k = K;
    L = _L;



    //cout << get_price_right(1) << endl;
    ///exit(0);
    ll res = inf;

    for (int i = 1; i <= N; i ++)
    {
        if (i >= k)
            pref[i] += pref[i - k];
        pref[i] += 2 * p[i - 1];
    }

    for (int i = 1; i <= N; i ++)
    {
        if (i >= k)
            suff[i] += suff[i - k];
        suff[i] += 2 * (L - p[N - i]);
    }
    for (int i = 0; i <= N; i ++)
    {
        ll val = pref[i] + suff[N - i];

        ///cout << "split " << i << " " << val << endl;
        res = min(res, val);
        if (N - i - k >= 0)
        {
            //cout << "in" << endl;
            val = pref[i] + suff[N - i - k] + L;
             //cout << "here " << i << " " << N - i - k << " " << val << endl;
            res = min(res, val);
        }
    }


    return res;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4440 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4440 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 3 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4440 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 3 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 48 ms 32184 KB Output is correct
34 Correct 21 ms 34140 KB Output is correct
35 Correct 23 ms 34640 KB Output is correct
36 Correct 48 ms 41932 KB Output is correct
37 Correct 47 ms 42056 KB Output is correct
38 Correct 52 ms 42068 KB Output is correct
39 Correct 43 ms 40572 KB Output is correct
40 Correct 27 ms 35920 KB Output is correct
41 Correct 48 ms 42064 KB Output is correct
42 Correct 27 ms 36180 KB Output is correct

Subtask #6
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4440 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 3 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 48 ms 32184 KB Output is correct
34 Correct 21 ms 34140 KB Output is correct
35 Correct 23 ms 34640 KB Output is correct
36 Correct 48 ms 41932 KB Output is correct
37 Correct 47 ms 42056 KB Output is correct
38 Correct 52 ms 42068 KB Output is correct
39 Correct 43 ms 40572 KB Output is correct
40 Correct 27 ms 35920 KB Output is correct
41 Correct 48 ms 42064 KB Output is correct
42 Correct 27 ms 36180 KB Output is correct
43 Correct 508 ms 373352 KB Output is correct
44 Correct 203 ms 296540 KB Output is correct
45 Correct 219 ms 303892 KB Output is correct
46 Correct 501 ms 374428 KB Output is correct
47 Correct 495 ms 374492 KB Output is correct
48 Correct 493 ms 374400 KB Output is correct
49 Correct 433 ms 359128 KB Output is correct
50 Correct 255 ms 313048 KB Output is correct
51 Correct 490 ms 374352 KB Output is correct
52 Correct 268 ms 315800 KB Output is correct