Submission #136936

# Submission time Handle Problem Language Result Execution time Memory
136936 2019-07-26T15:41:21 Z arnold518 None (JOI16_ho_t1) C++14
100 / 100
68 ms 888 KB
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 2e4;

int N, M;
ll K, A[MAXN+10], dp[MAXN+10];

int main()
{
    int i, j;
    scanf("%d%d%lld", &N, &M, &K);
    for(i=1; i<=N; i++) scanf("%lld", &A[i]);

    for(i=1; i<=N; i++)
    {
        ll a=A[i], b=A[i], s=0;
        dp[i]=numeric_limits<ll>::max();
        for(j=i; j>=1 && i-j+1<=M; j--)
        {
            a=max(A[j], a);
            b=min(A[j], b);
            s++;
            dp[i]=min(dp[i], dp[j-1]+K+s*(a-b));
        }
    }
    printf("%lld", dp[N]);
}

Compilation message

2016_ho_t1.cpp: In function 'int main()':
2016_ho_t1.cpp:16:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%lld", &N, &M, &K);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
2016_ho_t1.cpp:17:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=1; i<=N; i++) scanf("%lld", &A[i]);
                         ~~~~~^~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 3 ms 380 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 4 ms 376 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 3 ms 376 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 3 ms 380 KB Output is correct
24 Correct 3 ms 376 KB Output is correct
25 Correct 3 ms 376 KB Output is correct
26 Correct 3 ms 376 KB Output is correct
27 Correct 3 ms 376 KB Output is correct
28 Correct 3 ms 376 KB Output is correct
29 Correct 3 ms 376 KB Output is correct
30 Correct 4 ms 376 KB Output is correct
31 Correct 40 ms 888 KB Output is correct
32 Correct 36 ms 764 KB Output is correct
33 Correct 66 ms 760 KB Output is correct
34 Correct 66 ms 808 KB Output is correct
35 Correct 36 ms 760 KB Output is correct
36 Correct 66 ms 888 KB Output is correct
37 Correct 68 ms 860 KB Output is correct
38 Correct 66 ms 780 KB Output is correct
39 Correct 66 ms 888 KB Output is correct
40 Correct 62 ms 788 KB Output is correct
41 Correct 36 ms 760 KB Output is correct
42 Correct 66 ms 760 KB Output is correct
43 Correct 37 ms 888 KB Output is correct
44 Correct 54 ms 888 KB Output is correct
45 Correct 43 ms 760 KB Output is correct