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Submission #287461

# Submission time Handle Problem Language Result Execution time Memory
287461 2020-08-31T17:11:21 Z Namnamseo None (JOI16_ho_t1) C++17
100 / 100
 85 ms 924 KB 
#include <cstdio>

int n,m,k;

int data[20010];

typedef long long ll;

ll dp[20010];

template<typename T> inline T max(T a,T b){ return b<a?a:b; }
template<typename T> inline T min(T a,T b){ return a<b?a:b; }

int main()
{
    scanf("%d%d%d",&n,&m,&k);
    int i,j;
    int Mx, mn;
    for(i=1;i<=n;++i){
        scanf("%d",data+i);
        Mx=mn=data[i];
        dp[i]=(1LL<<61);
        for(j=i;j && i-j<m;--j){
            Mx=max(Mx,data[j]);
            mn=min(mn,data[j]);
            dp[i]=min(dp[i], dp[j-1]+k+ll(i-j+1)*(Mx-mn));
        }
    }
    printf("%lld",dp[n]);
    return 0;
}

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]
   16 |     scanf("%d%d%d",&n,&m,&k);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~
2016_ho_t1.cpp:20:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   20 |         scanf("%d",data+i);
      |         ~~~~~^~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct

Subtask #2
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 2 ms 512 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 2 ms 512 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 2 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 2 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 44 ms 760 KB Output is correct
32 Correct 43 ms 760 KB Output is correct
33 Correct 84 ms 752 KB Output is correct
34 Correct 81 ms 888 KB Output is correct
35 Correct 43 ms 764 KB Output is correct
36 Correct 85 ms 760 KB Output is correct
37 Correct 81 ms 772 KB Output is correct
38 Correct 83 ms 760 KB Output is correct
39 Correct 84 ms 924 KB Output is correct
40 Correct 75 ms 760 KB Output is correct
41 Correct 46 ms 640 KB Output is correct
42 Correct 82 ms 576 KB Output is correct
43 Correct 44 ms 632 KB Output is correct
44 Correct 66 ms 760 KB Output is correct
45 Correct 51 ms 744 KB Output is correct