답안 #40373 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
40373	2018-01-31T12:40:12 Z	model_code	Mountains (IOI17_mountains)	C++11	70 / 100	1000 ms	11160 KB

mountains

#include<iostream>
#include<algorithm>
#include "mountains.h"

using namespace std;

const int MAXN=5000;
long long h[MAXN];
int n,ans,dp[MAXN][MAXN];
bool mark[MAXN][MAXN];

long long cross(int i,int j,int k)
{
  return (j-i)*(h[k]-h[i])-(h[j]-h[i])*(k-i);
}

int maximum_deevs(vector<int> y)
{
	int n = y.size();
  for(int i=0;i<n;i++)
    h[i]=y[i];
  for(int i=0;i<n;i++)
    for(int j=i+1;j<n;j++)
      {
	mark[i][j]=true;
	for(int k=i+1;k<j;k++)
	  if(cross(i,j,k)>0)
	    mark[i][j]=false;
      }
  for(int j=0;j<n;j++)
    for(int i=0;i<=j;i++)
      {
	dp[i][j]=dp[i][j-1];
	int res=1,last=i-1;
	for(int k=i;k<j;k++)
	  {
	    if(mark[k][j]){
	      res+=dp[last+1][k-1];
	      last=k;
	    }
	  }
	res+=dp[last+1][j-1];
	dp[i][j]=max(dp[i][j],res);
	//	cout<<i<<" "<<j<<" "<<res<<" "<<dp[i][j]<<endl;
      }
  return dp[0][n-1];
}

Subtask #1
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	1 ms	352 KB	Output is correct
3	Correct	2 ms	424 KB	Output is correct
4	Correct	2 ms	424 KB	Output is correct
5	Correct	1 ms	496 KB	Output is correct
6	Correct	2 ms	624 KB	Output is correct
7	Correct	2 ms	624 KB	Output is correct
8	Correct	2 ms	660 KB	Output is correct
9	Correct	2 ms	676 KB	Output is correct
10	Correct	2 ms	732 KB	Output is correct
11	Correct	2 ms	732 KB	Output is correct
12	Correct	2 ms	732 KB	Output is correct
13	Correct	2 ms	732 KB	Output is correct
14	Correct	2 ms	748 KB	Output is correct
15	Correct	2 ms	748 KB	Output is correct
16	Correct	2 ms	748 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	1 ms	352 KB	Output is correct
3	Correct	2 ms	424 KB	Output is correct
4	Correct	2 ms	424 KB	Output is correct
5	Correct	1 ms	496 KB	Output is correct
6	Correct	2 ms	624 KB	Output is correct
7	Correct	2 ms	624 KB	Output is correct
8	Correct	2 ms	660 KB	Output is correct
9	Correct	2 ms	676 KB	Output is correct
10	Correct	2 ms	732 KB	Output is correct
11	Correct	2 ms	732 KB	Output is correct
12	Correct	2 ms	732 KB	Output is correct
13	Correct	2 ms	732 KB	Output is correct
14	Correct	2 ms	748 KB	Output is correct
15	Correct	2 ms	748 KB	Output is correct
16	Correct	2 ms	748 KB	Output is correct
17	Correct	2 ms	876 KB	Output is correct
18	Correct	2 ms	876 KB	Output is correct
19	Correct	2 ms	880 KB	Output is correct
20	Correct	2 ms	880 KB	Output is correct
21	Correct	2 ms	880 KB	Output is correct
22	Correct	2 ms	880 KB	Output is correct
23	Correct	2 ms	880 KB	Output is correct
24	Correct	2 ms	880 KB	Output is correct
25	Correct	2 ms	880 KB	Output is correct
26	Correct	2 ms	880 KB	Output is correct
27	Correct	2 ms	880 KB	Output is correct
28	Correct	2 ms	880 KB	Output is correct
29	Correct	2 ms	880 KB	Output is correct
30	Correct	2 ms	880 KB	Output is correct
31	Correct	2 ms	880 KB	Output is correct
32	Correct	2 ms	880 KB	Output is correct
33	Correct	2 ms	880 KB	Output is correct
34	Correct	2 ms	944 KB	Output is correct
35	Correct	2 ms	944 KB	Output is correct
36	Correct	2 ms	944 KB	Output is correct
37	Correct	2 ms	944 KB	Output is correct
38	Correct	2 ms	944 KB	Output is correct

Subtask #3
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	1 ms	352 KB	Output is correct
3	Correct	2 ms	424 KB	Output is correct
4	Correct	2 ms	424 KB	Output is correct
5	Correct	1 ms	496 KB	Output is correct
6	Correct	2 ms	624 KB	Output is correct
7	Correct	2 ms	624 KB	Output is correct
8	Correct	2 ms	660 KB	Output is correct
9	Correct	2 ms	676 KB	Output is correct
10	Correct	2 ms	732 KB	Output is correct
11	Correct	2 ms	732 KB	Output is correct
12	Correct	2 ms	732 KB	Output is correct
13	Correct	2 ms	732 KB	Output is correct
14	Correct	2 ms	748 KB	Output is correct
15	Correct	2 ms	748 KB	Output is correct
16	Correct	2 ms	748 KB	Output is correct
17	Correct	2 ms	876 KB	Output is correct
18	Correct	2 ms	876 KB	Output is correct
19	Correct	2 ms	880 KB	Output is correct
20	Correct	2 ms	880 KB	Output is correct
21	Correct	2 ms	880 KB	Output is correct
22	Correct	2 ms	880 KB	Output is correct
23	Correct	2 ms	880 KB	Output is correct
24	Correct	2 ms	880 KB	Output is correct
25	Correct	2 ms	880 KB	Output is correct
26	Correct	2 ms	880 KB	Output is correct
27	Correct	2 ms	880 KB	Output is correct
28	Correct	2 ms	880 KB	Output is correct
29	Correct	2 ms	880 KB	Output is correct
30	Correct	2 ms	880 KB	Output is correct
31	Correct	2 ms	880 KB	Output is correct
32	Correct	2 ms	880 KB	Output is correct
33	Correct	2 ms	880 KB	Output is correct
34	Correct	2 ms	944 KB	Output is correct
35	Correct	2 ms	944 KB	Output is correct
36	Correct	2 ms	944 KB	Output is correct
37	Correct	2 ms	944 KB	Output is correct
38	Correct	2 ms	944 KB	Output is correct
39	Correct	9 ms	2284 KB	Output is correct
40	Correct	26 ms	3180 KB	Output is correct
41	Correct	26 ms	3240 KB	Output is correct
42	Correct	26 ms	3308 KB	Output is correct
43	Correct	25 ms	3308 KB	Output is correct
44	Correct	30 ms	3308 KB	Output is correct
45	Correct	20 ms	3308 KB	Output is correct
46	Correct	19 ms	3308 KB	Output is correct
47	Correct	21 ms	3308 KB	Output is correct
48	Correct	21 ms	3308 KB	Output is correct
49	Correct	22 ms	3308 KB	Output is correct
50	Correct	20 ms	3308 KB	Output is correct
51	Correct	20 ms	3308 KB	Output is correct
52	Correct	27 ms	3308 KB	Output is correct
53	Correct	21 ms	3308 KB	Output is correct
54	Correct	23 ms	3308 KB	Output is correct
55	Correct	23 ms	3308 KB	Output is correct
56	Correct	21 ms	3308 KB	Output is correct
57	Correct	16 ms	3308 KB	Output is correct
58	Correct	23 ms	3308 KB	Output is correct
59	Correct	25 ms	3308 KB	Output is correct
60	Correct	17 ms	3308 KB	Output is correct
61	Correct	19 ms	3308 KB	Output is correct

Subtask #4
0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	1 ms	352 KB	Output is correct
3	Correct	2 ms	424 KB	Output is correct
4	Correct	2 ms	424 KB	Output is correct
5	Correct	1 ms	496 KB	Output is correct
6	Correct	2 ms	624 KB	Output is correct
7	Correct	2 ms	624 KB	Output is correct
8	Correct	2 ms	660 KB	Output is correct
9	Correct	2 ms	676 KB	Output is correct
10	Correct	2 ms	732 KB	Output is correct
11	Correct	2 ms	732 KB	Output is correct
12	Correct	2 ms	732 KB	Output is correct
13	Correct	2 ms	732 KB	Output is correct
14	Correct	2 ms	748 KB	Output is correct
15	Correct	2 ms	748 KB	Output is correct
16	Correct	2 ms	748 KB	Output is correct
17	Correct	2 ms	876 KB	Output is correct
18	Correct	2 ms	876 KB	Output is correct
19	Correct	2 ms	880 KB	Output is correct
20	Correct	2 ms	880 KB	Output is correct
21	Correct	2 ms	880 KB	Output is correct
22	Correct	2 ms	880 KB	Output is correct
23	Correct	2 ms	880 KB	Output is correct
24	Correct	2 ms	880 KB	Output is correct
25	Correct	2 ms	880 KB	Output is correct
26	Correct	2 ms	880 KB	Output is correct
27	Correct	2 ms	880 KB	Output is correct
28	Correct	2 ms	880 KB	Output is correct
29	Correct	2 ms	880 KB	Output is correct
30	Correct	2 ms	880 KB	Output is correct
31	Correct	2 ms	880 KB	Output is correct
32	Correct	2 ms	880 KB	Output is correct
33	Correct	2 ms	880 KB	Output is correct
34	Correct	2 ms	944 KB	Output is correct
35	Correct	2 ms	944 KB	Output is correct
36	Correct	2 ms	944 KB	Output is correct
37	Correct	2 ms	944 KB	Output is correct
38	Correct	2 ms	944 KB	Output is correct
39	Correct	9 ms	2284 KB	Output is correct
40	Correct	26 ms	3180 KB	Output is correct
41	Correct	26 ms	3240 KB	Output is correct
42	Correct	26 ms	3308 KB	Output is correct
43	Correct	25 ms	3308 KB	Output is correct
44	Correct	30 ms	3308 KB	Output is correct
45	Correct	20 ms	3308 KB	Output is correct
46	Correct	19 ms	3308 KB	Output is correct
47	Correct	21 ms	3308 KB	Output is correct
48	Correct	21 ms	3308 KB	Output is correct
49	Correct	22 ms	3308 KB	Output is correct
50	Correct	20 ms	3308 KB	Output is correct
51	Correct	20 ms	3308 KB	Output is correct
52	Correct	27 ms	3308 KB	Output is correct
53	Correct	21 ms	3308 KB	Output is correct
54	Correct	23 ms	3308 KB	Output is correct
55	Correct	23 ms	3308 KB	Output is correct
56	Correct	21 ms	3308 KB	Output is correct
57	Correct	16 ms	3308 KB	Output is correct
58	Correct	23 ms	3308 KB	Output is correct
59	Correct	25 ms	3308 KB	Output is correct
60	Correct	17 ms	3308 KB	Output is correct
61	Correct	19 ms	3308 KB	Output is correct
62	Correct	889 ms	11160 KB	Output is correct
63	Execution timed out	1062 ms	11160 KB	Time limit exceeded
64	Halted	0 ms	0 KB	-

답안 #40373

Compilation message

Subtask #1 20.0 / 20.0

Subtask #2 20.0 / 20.0

Subtask #3 30.0 / 30.0

Subtask #4 0 / 30.0

Subtask #1
20.0 / 20.0

Subtask #2
20.0 / 20.0

Subtask #3
30.0 / 30.0

Subtask #4
0 / 30.0