답안 #387438

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
387438	2021-04-08T11:54:04 Z	uacoder123	Group Photo (JOI21_ho_t3)	C++14	64 / 100	5000 ms	67696 KB

Main

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
#define F first
#define S second
#define FOR(i,a,b) for (auto i = (a); i <= (b); ++i)
#define NFOR(i,a,b) for(auto i = (a); i >= (b); --i)
#define all(x) (x).begin(), (x).end()
#define sz(x) lli(x.size())
#define mp(i,a) make_pair(i,a)
#define pb(a) push_back(a)
#define bit(x,b) (x&(1LL<<b))
typedef long long int lli;
typedef pair <lli,lli> ii;
typedef pair <ii,lli> iii;
typedef vector <lli> vi;
typedef tree<lli,null_type,less<lli>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
int n;
int h[5001],dp[5001][5001],p[5001],ans[5001];

int main()
{
  
      ios_base::sync_with_stdio(false);
      cin.tie(NULL);
  cin>>n;
  for(int i=0;i<n;++i)
  {
    cin>>h[i];
    h[i]--;
    p[h[i]]=i;
  }
  for(int i=0;i<n;++i)
  {
    ordered_set s;
    dp[i][i]=0;
    s.insert(p[i]);
    for(int j=i+1;j<n;++j)
    {
      dp[i][j]=dp[i][j-1]+s.order_of_key(p[j]);
      s.insert(p[j]);
    }
  }
  for(int i=0;i<n;++i)
  {
    ordered_set s,e;
    int v1=0,v2;
  int ans1=n*n;

    for(int j=0;j<=i;++j)
      s.insert(p[j]);
    for(int j=i;j>=0;--j)
    {
      v1-=e.order_of_key(p[j]);
      e.insert(p[j]);
      s.erase(p[j]);
      v1+=s.size()-s.order_of_key(p[j]);
      if(j-1==-1)
        v2=0;
      else
        v2=ans[j-1];
      ans1=min(ans1,v1+dp[j][i]+v2);
    }
    ans[i]=ans1;
  }
  cout<<ans[n-1]<<endl;
  return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	2 ms	364 KB	Output is correct
5	Correct	2 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	2 ms	364 KB	Output is correct
5	Correct	2 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	2 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	492 KB	Output is correct
15	Correct	2 ms	492 KB	Output is correct
16	Correct	1 ms	492 KB	Output is correct
17	Correct	1 ms	492 KB	Output is correct
18	Correct	1 ms	508 KB	Output is correct
19	Correct	1 ms	492 KB	Output is correct
20	Correct	1 ms	492 KB	Output is correct

Subtask #3
32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	2 ms	364 KB	Output is correct
5	Correct	2 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	2 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	492 KB	Output is correct
15	Correct	2 ms	492 KB	Output is correct
16	Correct	1 ms	492 KB	Output is correct
17	Correct	1 ms	492 KB	Output is correct
18	Correct	1 ms	508 KB	Output is correct
19	Correct	1 ms	492 KB	Output is correct
20	Correct	1 ms	492 KB	Output is correct
21	Correct	12 ms	1260 KB	Output is correct
22	Correct	14 ms	1260 KB	Output is correct
23	Correct	13 ms	1260 KB	Output is correct
24	Correct	13 ms	1260 KB	Output is correct
25	Correct	12 ms	1260 KB	Output is correct
26	Correct	14 ms	1260 KB	Output is correct
27	Correct	13 ms	1260 KB	Output is correct
28	Correct	13 ms	1204 KB	Output is correct
29	Correct	13 ms	1260 KB	Output is correct
30	Correct	15 ms	1416 KB	Output is correct

Subtask #4
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	2 ms	364 KB	Output is correct
5	Correct	2 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	2 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	492 KB	Output is correct
15	Correct	2 ms	492 KB	Output is correct
16	Correct	1 ms	492 KB	Output is correct
17	Correct	1 ms	492 KB	Output is correct
18	Correct	1 ms	508 KB	Output is correct
19	Correct	1 ms	492 KB	Output is correct
20	Correct	1 ms	492 KB	Output is correct
21	Correct	12 ms	1260 KB	Output is correct
22	Correct	14 ms	1260 KB	Output is correct
23	Correct	13 ms	1260 KB	Output is correct
24	Correct	13 ms	1260 KB	Output is correct
25	Correct	12 ms	1260 KB	Output is correct
26	Correct	14 ms	1260 KB	Output is correct
27	Correct	13 ms	1260 KB	Output is correct
28	Correct	13 ms	1204 KB	Output is correct
29	Correct	13 ms	1260 KB	Output is correct
30	Correct	15 ms	1416 KB	Output is correct
31	Correct	242 ms	4924 KB	Output is correct
32	Correct	262 ms	4844 KB	Output is correct
33	Correct	254 ms	4844 KB	Output is correct
34	Correct	298 ms	4944 KB	Output is correct
35	Correct	246 ms	4972 KB	Output is correct
36	Correct	250 ms	4844 KB	Output is correct
37	Correct	248 ms	4972 KB	Output is correct
38	Correct	245 ms	4844 KB	Output is correct
39	Correct	243 ms	4972 KB	Output is correct
40	Correct	248 ms	4972 KB	Output is correct

Subtask #5
0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	2 ms	364 KB	Output is correct
5	Correct	2 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	2 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	492 KB	Output is correct
15	Correct	2 ms	492 KB	Output is correct
16	Correct	1 ms	492 KB	Output is correct
17	Correct	1 ms	492 KB	Output is correct
18	Correct	1 ms	508 KB	Output is correct
19	Correct	1 ms	492 KB	Output is correct
20	Correct	1 ms	492 KB	Output is correct
21	Correct	12 ms	1260 KB	Output is correct
22	Correct	14 ms	1260 KB	Output is correct
23	Correct	13 ms	1260 KB	Output is correct
24	Correct	13 ms	1260 KB	Output is correct
25	Correct	12 ms	1260 KB	Output is correct
26	Correct	14 ms	1260 KB	Output is correct
27	Correct	13 ms	1260 KB	Output is correct
28	Correct	13 ms	1204 KB	Output is correct
29	Correct	13 ms	1260 KB	Output is correct
30	Correct	15 ms	1416 KB	Output is correct
31	Correct	242 ms	4924 KB	Output is correct
32	Correct	262 ms	4844 KB	Output is correct
33	Correct	254 ms	4844 KB	Output is correct
34	Correct	298 ms	4944 KB	Output is correct
35	Correct	246 ms	4972 KB	Output is correct
36	Correct	250 ms	4844 KB	Output is correct
37	Correct	248 ms	4972 KB	Output is correct
38	Correct	245 ms	4844 KB	Output is correct
39	Correct	243 ms	4972 KB	Output is correct
40	Correct	248 ms	4972 KB	Output is correct
41	Execution timed out	5074 ms	67696 KB	Time limit exceeded
42	Halted	0 ms	0 KB	-

답안 #387438

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 7.0 / 7.0

Subtask #3 32.0 / 32.0

Subtask #4 20.0 / 20.0

Subtask #5 0 / 36.0

Subtask #1
5.0 / 5.0

Subtask #2
7.0 / 7.0

Subtask #3
32.0 / 32.0

Subtask #4
20.0 / 20.0

Subtask #5
0 / 36.0