oj.uz

Submission #51656

# Submission time Handle Problem Language Result Execution time Memory
51656 2018-06-19T17:55:29 Z gs13105 None (JOI16_ho_t1) C++17
100 / 100
 96 ms 924 KB 
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cassert>
#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <list>
#include <stack>
#include <queue>
#include <deque>
#include <set>
#include <map>
#include <tuple>
#include <iterator>

using namespace std;

int arr[20010];
long long mem[20010];

int main()
{
    //freopen("in", "r", stdin);
    //freopen("out", "w", stdout);

    int n, m, k, i, j;
    scanf("%d%d%d", &n, &m, &k);
    for(i = 1; i <= n; i++)
        scanf("%d", &arr[i]);

    mem[0] = 0;
    for(i = 1; i <= n; i++)
        mem[i] = 1e14;

    for(i = 1; i <= n; i++)
    {
        int mx = arr[i];
        int mn = arr[i];
        for(j = i; j > i - m && j >= 1; j--)
        {
            mx = max(arr[j], mx);
            mn = min(arr[j], mn);

            long long r = k + 1LL * (i - j + 1) * (mx - mn) + mem[j - 1];
            mem[i] = min(r, mem[i]);
        }
    }

    printf("%lld\n", mem[n]);
    return 0;
}

Compilation message

2016_ho_t1.cpp: In function 'int main()':
2016_ho_t1.cpp:29:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d", &n, &m, &k);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~
2016_ho_t1.cpp:31:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &arr[i]);
         ~~~~~^~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 360 KB Output is correct
3 Correct 3 ms 520 KB Output is correct
4 Correct 2 ms 520 KB Output is correct
5 Correct 2 ms 544 KB Output is correct
6 Correct 2 ms 556 KB Output is correct
7 Correct 2 ms 560 KB Output is correct
8 Correct 2 ms 560 KB Output is correct
9 Correct 2 ms 576 KB Output is correct
10 Correct 2 ms 576 KB Output is correct
11 Correct 3 ms 576 KB Output is correct
12 Correct 2 ms 576 KB Output is correct
13 Correct 2 ms 576 KB Output is correct
14 Correct 2 ms 576 KB Output is correct
15 Correct 2 ms 624 KB Output is correct

Subtask #2
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 636 KB Output is correct
2 Correct 4 ms 636 KB Output is correct
3 Correct 4 ms 636 KB Output is correct
4 Correct 3 ms 636 KB Output is correct
5 Correct 3 ms 640 KB Output is correct
6 Correct 4 ms 640 KB Output is correct
7 Correct 3 ms 640 KB Output is correct
8 Correct 3 ms 640 KB Output is correct
9 Correct 3 ms 640 KB Output is correct
10 Correct 4 ms 640 KB Output is correct
11 Correct 3 ms 640 KB Output is correct
12 Correct 3 ms 640 KB Output is correct
13 Correct 3 ms 640 KB Output is correct
14 Correct 3 ms 640 KB Output is correct
15 Correct 2 ms 640 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 360 KB Output is correct
3 Correct 3 ms 520 KB Output is correct
4 Correct 2 ms 520 KB Output is correct
5 Correct 2 ms 544 KB Output is correct
6 Correct 2 ms 556 KB Output is correct
7 Correct 2 ms 560 KB Output is correct
8 Correct 2 ms 560 KB Output is correct
9 Correct 2 ms 576 KB Output is correct
10 Correct 2 ms 576 KB Output is correct
11 Correct 3 ms 576 KB Output is correct
12 Correct 2 ms 576 KB Output is correct
13 Correct 2 ms 576 KB Output is correct
14 Correct 2 ms 576 KB Output is correct
15 Correct 2 ms 624 KB Output is correct
16 Correct 3 ms 636 KB Output is correct
17 Correct 4 ms 636 KB Output is correct
18 Correct 4 ms 636 KB Output is correct
19 Correct 3 ms 636 KB Output is correct
20 Correct 3 ms 640 KB Output is correct
21 Correct 4 ms 640 KB Output is correct
22 Correct 3 ms 640 KB Output is correct
23 Correct 3 ms 640 KB Output is correct
24 Correct 3 ms 640 KB Output is correct
25 Correct 4 ms 640 KB Output is correct
26 Correct 3 ms 640 KB Output is correct
27 Correct 3 ms 640 KB Output is correct
28 Correct 3 ms 640 KB Output is correct
29 Correct 3 ms 640 KB Output is correct
30 Correct 2 ms 640 KB Output is correct
31 Correct 28 ms 764 KB Output is correct
32 Correct 29 ms 796 KB Output is correct
33 Correct 52 ms 832 KB Output is correct
34 Correct 52 ms 832 KB Output is correct
35 Correct 28 ms 832 KB Output is correct
36 Correct 58 ms 924 KB Output is correct
37 Correct 53 ms 924 KB Output is correct
38 Correct 96 ms 924 KB Output is correct
39 Correct 60 ms 924 KB Output is correct
40 Correct 71 ms 924 KB Output is correct
41 Correct 31 ms 924 KB Output is correct
42 Correct 50 ms 924 KB Output is correct
43 Correct 29 ms 924 KB Output is correct
44 Correct 49 ms 924 KB Output is correct
45 Correct 39 ms 924 KB Output is correct