oj.uz

Submission #146748

# Submission time Handle Problem Language Result Execution time Memory
146748 2019-08-25T21:25:38 Z TadijaSebez None (JOI16_ho_t1) C++11
100 / 100
 67 ms 888 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int N=20050;
const ll inf=9e18;
void ckmn(ll &a, ll b){ a=min(a,b);}
void ckmn(int &a, int b){ a=min(a,b);}
void ckmx(int &a, int b){ a=max(a,b);}
int a[N];
ll dp[N];
int main()
{
	int n,m,k;
	scanf("%i %i %i",&n,&m,&k);
	for(int i=1;i<=n;i++)
	{
		scanf("%i",&a[i]);
		int mx=a[i],mn=a[i];
		dp[i]=inf;
		for(int j=i;j>=1 && i-j+1<=m;j--)
		{
			ckmn(mn,a[j]);
			ckmx(mx,a[j]);
			ckmn(dp[i],dp[j-1]+k+(ll)(i-j+1)*(mx-mn));
		}
	}
	printf("%lld\n",dp[n]);
	return 0;
}

Compilation message

2016_ho_t1.cpp: In function 'int main()':
2016_ho_t1.cpp:14:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i %i %i",&n,&m,&k);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~
2016_ho_t1.cpp:17:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%i",&a[i]);
   ~~~~~^~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 256 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 256 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 376 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct

Subtask #2
50.0 / 50.0

# 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 3 ms 376 KB Output is correct
4 Correct 3 ms 380 KB Output is correct
5 Correct 2 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 376 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 3 ms 376 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 256 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 256 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 376 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 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 3 ms 376 KB Output is correct
19 Correct 3 ms 380 KB Output is correct
20 Correct 2 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 376 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 3 ms 376 KB Output is correct
31 Correct 36 ms 888 KB Output is correct
32 Correct 37 ms 760 KB Output is correct
33 Correct 66 ms 760 KB Output is correct
34 Correct 67 ms 808 KB Output is correct
35 Correct 36 ms 760 KB Output is correct
36 Correct 67 ms 820 KB Output is correct
37 Correct 66 ms 704 KB Output is correct
38 Correct 66 ms 808 KB Output is correct
39 Correct 67 ms 732 KB Output is correct
40 Correct 62 ms 760 KB Output is correct
41 Correct 36 ms 636 KB Output is correct
42 Correct 66 ms 632 KB Output is correct
43 Correct 37 ms 636 KB Output is correct
44 Correct 53 ms 760 KB Output is correct
45 Correct 42 ms 760 KB Output is correct