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Submission #219192

# Submission time Handle Problem Language Result Execution time Memory
219192 2020-04-04T08:22:23 Z emil_physmath Boxes with souvenirs (IOI15_boxes) C++17
100 / 100
 710 ms 323576 KB 
#include <algorithm>
#include "boxes.h"
using namespace std;
typedef long long llong;
const int maxN = 10000001;

int n;
llong dppref_[maxN], dpsuff_[maxN];
llong mn[maxN];

inline llong dppref(int i) { return (i < 0) ? 0 : dppref_[i]; }
inline llong dpsuff(int i) { return (i >= n) ? 0 : dpsuff_[i]; }
long long delivery(int n_, int k, int len, int pos[])
{
    n = n_;
    for (int i = 0; i < n; ++i)
        dppref_[i] = 2LL * pos[i] + dppref(i - k);
    for (int i = n - 1; i >= 0; --i)
        dpsuff_[i] = 2LL * (len - pos[i]) + dpsuff(i + k);
    llong ans = dpsuff(0);
    const llong inf = 50000000000000000LL;
    fill(mn, mn + maxN, inf);
    for (int i = n - 1; i >= 0; --i)
    {
        ans = min(ans, dppref(i) + dpsuff(i + 1));
        ans = min(ans, mn[i % k] + dppref(i - 1) - (i / k) * (llong)len);
        ++i;
        mn[i % k] = min(mn[i % k], (i / k) * (llong)len + dpsuff(i));
        --i;
    }
    /*for (int i = 0; i < n; ++i)
    {
        ans = min(ans, dppref(i) + dpsuff(i + 1));
        for (int j = i + 2; j <= n; ++j)
        {
            if (i % k != j % k)
                continue;
            llong curans = j / k - i / k;
            curans *= len;
            curans += dppref(i - 1) + dpsuff(j);
            ans = min(ans, curans);
        }
    }*/
    return ans;
}
/*
3 2 8
1 2 5

10
*/
/*
3 2 100
10 47 60

120
*/

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 78584 KB Output is correct
2 Correct 43 ms 78584 KB Output is correct
3 Correct 42 ms 78584 KB Output is correct
4 Correct 42 ms 78592 KB Output is correct
5 Correct 43 ms 78584 KB Output is correct
6 Correct 42 ms 78584 KB Output is correct
7 Correct 49 ms 78584 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 78584 KB Output is correct
2 Correct 41 ms 78584 KB Output is correct
3 Correct 42 ms 78584 KB Output is correct
4 Correct 43 ms 78584 KB Output is correct
5 Correct 43 ms 78592 KB Output is correct
6 Correct 43 ms 78584 KB Output is correct
7 Correct 43 ms 78584 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 78584 KB Output is correct
2 Correct 42 ms 78584 KB Output is correct
3 Correct 43 ms 78584 KB Output is correct
4 Correct 43 ms 78592 KB Output is correct
5 Correct 44 ms 78588 KB Output is correct
6 Correct 48 ms 78712 KB Output is correct
7 Correct 42 ms 78584 KB Output is correct
8 Correct 42 ms 78592 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 78584 KB Output is correct
2 Correct 43 ms 78584 KB Output is correct
3 Correct 42 ms 78584 KB Output is correct
4 Correct 42 ms 78592 KB Output is correct
5 Correct 43 ms 78584 KB Output is correct
6 Correct 42 ms 78584 KB Output is correct
7 Correct 49 ms 78584 KB Output is correct
8 Correct 45 ms 78584 KB Output is correct
9 Correct 41 ms 78584 KB Output is correct
10 Correct 42 ms 78584 KB Output is correct
11 Correct 43 ms 78584 KB Output is correct
12 Correct 43 ms 78592 KB Output is correct
13 Correct 43 ms 78584 KB Output is correct
14 Correct 43 ms 78584 KB Output is correct
15 Correct 43 ms 78584 KB Output is correct
16 Correct 42 ms 78584 KB Output is correct
17 Correct 43 ms 78584 KB Output is correct
18 Correct 43 ms 78592 KB Output is correct
19 Correct 44 ms 78588 KB Output is correct
20 Correct 48 ms 78712 KB Output is correct
21 Correct 42 ms 78584 KB Output is correct
22 Correct 42 ms 78592 KB Output is correct
23 Correct 42 ms 78584 KB Output is correct
24 Correct 42 ms 78584 KB Output is correct
25 Correct 42 ms 78584 KB Output is correct
26 Correct 42 ms 78584 KB Output is correct
27 Correct 42 ms 78584 KB Output is correct
28 Correct 42 ms 78584 KB Output is correct
29 Correct 43 ms 78592 KB Output is correct
30 Correct 43 ms 78584 KB Output is correct
31 Correct 42 ms 78592 KB Output is correct
32 Correct 42 ms 78592 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 78584 KB Output is correct
2 Correct 43 ms 78584 KB Output is correct
3 Correct 42 ms 78584 KB Output is correct
4 Correct 42 ms 78592 KB Output is correct
5 Correct 43 ms 78584 KB Output is correct
6 Correct 42 ms 78584 KB Output is correct
7 Correct 49 ms 78584 KB Output is correct
8 Correct 45 ms 78584 KB Output is correct
9 Correct 41 ms 78584 KB Output is correct
10 Correct 42 ms 78584 KB Output is correct
11 Correct 43 ms 78584 KB Output is correct
12 Correct 43 ms 78592 KB Output is correct
13 Correct 43 ms 78584 KB Output is correct
14 Correct 43 ms 78584 KB Output is correct
15 Correct 43 ms 78584 KB Output is correct
16 Correct 42 ms 78584 KB Output is correct
17 Correct 43 ms 78584 KB Output is correct
18 Correct 43 ms 78592 KB Output is correct
19 Correct 44 ms 78588 KB Output is correct
20 Correct 48 ms 78712 KB Output is correct
21 Correct 42 ms 78584 KB Output is correct
22 Correct 42 ms 78592 KB Output is correct
23 Correct 42 ms 78584 KB Output is correct
24 Correct 42 ms 78584 KB Output is correct
25 Correct 42 ms 78584 KB Output is correct
26 Correct 42 ms 78584 KB Output is correct
27 Correct 42 ms 78584 KB Output is correct
28 Correct 42 ms 78584 KB Output is correct
29 Correct 43 ms 78592 KB Output is correct
30 Correct 43 ms 78584 KB Output is correct
31 Correct 42 ms 78592 KB Output is correct
32 Correct 42 ms 78592 KB Output is correct
33 Correct 112 ms 107872 KB Output is correct
34 Correct 75 ms 100216 KB Output is correct
35 Correct 79 ms 100600 KB Output is correct
36 Correct 111 ms 107900 KB Output is correct
37 Correct 118 ms 108152 KB Output is correct
38 Correct 111 ms 108024 KB Output is correct
39 Correct 103 ms 106360 KB Output is correct
40 Correct 80 ms 101752 KB Output is correct
41 Correct 108 ms 107896 KB Output is correct
42 Correct 81 ms 102264 KB Output is correct

Subtask #6
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 78584 KB Output is correct
2 Correct 43 ms 78584 KB Output is correct
3 Correct 42 ms 78584 KB Output is correct
4 Correct 42 ms 78592 KB Output is correct
5 Correct 43 ms 78584 KB Output is correct
6 Correct 42 ms 78584 KB Output is correct
7 Correct 49 ms 78584 KB Output is correct
8 Correct 45 ms 78584 KB Output is correct
9 Correct 41 ms 78584 KB Output is correct
10 Correct 42 ms 78584 KB Output is correct
11 Correct 43 ms 78584 KB Output is correct
12 Correct 43 ms 78592 KB Output is correct
13 Correct 43 ms 78584 KB Output is correct
14 Correct 43 ms 78584 KB Output is correct
15 Correct 43 ms 78584 KB Output is correct
16 Correct 42 ms 78584 KB Output is correct
17 Correct 43 ms 78584 KB Output is correct
18 Correct 43 ms 78592 KB Output is correct
19 Correct 44 ms 78588 KB Output is correct
20 Correct 48 ms 78712 KB Output is correct
21 Correct 42 ms 78584 KB Output is correct
22 Correct 42 ms 78592 KB Output is correct
23 Correct 42 ms 78584 KB Output is correct
24 Correct 42 ms 78584 KB Output is correct
25 Correct 42 ms 78584 KB Output is correct
26 Correct 42 ms 78584 KB Output is correct
27 Correct 42 ms 78584 KB Output is correct
28 Correct 42 ms 78584 KB Output is correct
29 Correct 43 ms 78592 KB Output is correct
30 Correct 43 ms 78584 KB Output is correct
31 Correct 42 ms 78592 KB Output is correct
32 Correct 42 ms 78592 KB Output is correct
33 Correct 112 ms 107872 KB Output is correct
34 Correct 75 ms 100216 KB Output is correct
35 Correct 79 ms 100600 KB Output is correct
36 Correct 111 ms 107900 KB Output is correct
37 Correct 118 ms 108152 KB Output is correct
38 Correct 111 ms 108024 KB Output is correct
39 Correct 103 ms 106360 KB Output is correct
40 Correct 80 ms 101752 KB Output is correct
41 Correct 108 ms 107896 KB Output is correct
42 Correct 81 ms 102264 KB Output is correct
43 Correct 667 ms 304096 KB Output is correct
44 Correct 361 ms 293752 KB Output is correct
45 Correct 448 ms 301560 KB Output is correct
46 Correct 681 ms 322992 KB Output is correct
47 Correct 685 ms 323040 KB Output is correct
48 Correct 710 ms 323576 KB Output is correct
49 Correct 613 ms 313916 KB Output is correct
50 Correct 412 ms 289768 KB Output is correct
51 Correct 688 ms 322728 KB Output is correct
52 Correct 433 ms 290776 KB Output is correct