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Submission #218693

# Submission time Handle Problem Language Result Execution time Memory
218693 2020-04-02T14:11:26 Z alexandra_udristoiu Boxes with souvenirs (IOI15_boxes) C++14
100 / 100
 500 ms 172536 KB 
#include<iostream>
#include "boxes.h"
using namespace std;
static long long d[10000005];
static int v[10000005];
long long delivery(int n, int k, int lg, int p[]) {
    int i, u;
    long long sol;
    for(i = 1; i <= n; i++){
        v[i] = p[i - 1];
    }
    for(i = 1; i <= n; i++){
        if(v[i] > lg - v[i]){
            u = i - 1;
            break;
        }
        if(i <= k){
            d[i] = 2 * v[i];
        }
        else{
            d[i] = 2 * v[i] + d[i - k];
        }
    }
    for(i = n; i > u; i--){
        if(i + k > n){
            d[i] = 2 * (lg - v[i]);
        }
        else{
            d[i] = 2 * (lg - v[i]) + d[i + k];
        }
    }
    sol = d[u] + d[u + 1];
    for(i = u; i >= 1 && i > u - k; i--){
        sol = min(sol, lg + d[i - 1] + d[ min(i + k, n + 1) ]);
    }
    return sol;
}

Compilation message

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:7:12: warning: 'u' may be used uninitialized in this function [-Wmaybe-uninitialized]
     int i, u;
            ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 304 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 304 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 4 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 4 ms 384 KB Output is correct
25 Correct 6 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 4 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 4 ms 384 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 304 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 4 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 4 ms 384 KB Output is correct
25 Correct 6 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 4 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 4 ms 384 KB Output is correct
33 Correct 57 ms 25720 KB Output is correct
34 Correct 21 ms 17912 KB Output is correct
35 Correct 23 ms 18432 KB Output is correct
36 Correct 55 ms 25848 KB Output is correct
37 Correct 55 ms 25724 KB Output is correct
38 Correct 61 ms 25848 KB Output is correct
39 Correct 48 ms 24184 KB Output is correct
40 Correct 29 ms 19584 KB Output is correct
41 Correct 55 ms 25720 KB Output is correct
42 Correct 30 ms 19960 KB Output is correct

Subtask #6
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 304 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 4 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 4 ms 384 KB Output is correct
25 Correct 6 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 4 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 4 ms 384 KB Output is correct
33 Correct 57 ms 25720 KB Output is correct
34 Correct 21 ms 17912 KB Output is correct
35 Correct 23 ms 18432 KB Output is correct
36 Correct 55 ms 25848 KB Output is correct
37 Correct 55 ms 25724 KB Output is correct
38 Correct 61 ms 25848 KB Output is correct
39 Correct 48 ms 24184 KB Output is correct
40 Correct 29 ms 19584 KB Output is correct
41 Correct 55 ms 25720 KB Output is correct
42 Correct 30 ms 19960 KB Output is correct
43 Correct 495 ms 171768 KB Output is correct
44 Correct 172 ms 159736 KB Output is correct
45 Correct 197 ms 160632 KB Output is correct
46 Correct 500 ms 172016 KB Output is correct
47 Correct 486 ms 171768 KB Output is correct
48 Correct 495 ms 172536 KB Output is correct
49 Correct 432 ms 168312 KB Output is correct
50 Correct 235 ms 161528 KB Output is correct
51 Correct 491 ms 170232 KB Output is correct
52 Correct 245 ms 161632 KB Output is correct