답안 #385868

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
385868	2021-04-05T07:07:39 Z	loctildore	Group Photo (JOI21_ho_t3)	C++14	100 / 100	169 ms	166892 KB

Main

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define f first
#define s second
#define x first
#define y second
#define elif else if
#define endl '\n'
#define all(x) begin(x), end(x)
int n,a[5069],pos[5069];
bool done[5069];
int cnt[5069][5069];
int dp[5069][5069];
int minimum=INT_MAX;
int main()
{
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);
  cin>>n;
  for (int i = 0; i < n; i++) {
    cin>>a[i];
    a[i]--;
    pos[a[i]]=i;
    cnt[i][0]=i-done[0];
    for (int j = 1; j < n; j++) {
      cnt[i][j]=cnt[i][j-1]-done[j];
    }
    done[a[i]]=true;
  }
  for (int i = n-1; i >= 0; i--) {
    dp[i][i]=INT_MAX;
    for (int j = i+1; j < n; j++) {
      dp[i][i]=min(dp[i][i],dp[i+1][j]);
      dp[i][j]=dp[i+1][j]+cnt[pos[i]][j]+j-i-(cnt[pos[i]][i]-cnt[pos[i]][j]);
    }
    if (dp[i][i]==INT_MAX) {
      dp[i][i]=0;
    }
    dp[i][i]+=cnt[pos[i]][i];
  }
  for (int i = 0; i < n; i++) {
    minimum=min(minimum,dp[0][i]);
  }
  cout<<minimum<<endl;
  return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 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	1 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	492 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	1 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	492 KB	Output is correct
12	Correct	1 ms	492 KB	Output is correct
13	Correct	2 ms	492 KB	Output is correct
14	Correct	1 ms	492 KB	Output is correct
15	Correct	1 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	2 ms	492 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	492 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	1 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	492 KB	Output is correct
12	Correct	1 ms	492 KB	Output is correct
13	Correct	2 ms	492 KB	Output is correct
14	Correct	1 ms	492 KB	Output is correct
15	Correct	1 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	2 ms	492 KB	Output is correct
19	Correct	1 ms	492 KB	Output is correct
20	Correct	1 ms	492 KB	Output is correct
21	Correct	2 ms	2156 KB	Output is correct
22	Correct	2 ms	2156 KB	Output is correct
23	Correct	2 ms	2156 KB	Output is correct
24	Correct	2 ms	2156 KB	Output is correct
25	Correct	2 ms	2156 KB	Output is correct
26	Correct	3 ms	2156 KB	Output is correct
27	Correct	3 ms	2156 KB	Output is correct
28	Correct	2 ms	2156 KB	Output is correct
29	Correct	2 ms	2156 KB	Output is correct
30	Correct	2 ms	2156 KB	Output is correct

Subtask #4
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 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	1 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	492 KB	Output is correct
12	Correct	1 ms	492 KB	Output is correct
13	Correct	2 ms	492 KB	Output is correct
14	Correct	1 ms	492 KB	Output is correct
15	Correct	1 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	2 ms	492 KB	Output is correct
19	Correct	1 ms	492 KB	Output is correct
20	Correct	1 ms	492 KB	Output is correct
21	Correct	2 ms	2156 KB	Output is correct
22	Correct	2 ms	2156 KB	Output is correct
23	Correct	2 ms	2156 KB	Output is correct
24	Correct	2 ms	2156 KB	Output is correct
25	Correct	2 ms	2156 KB	Output is correct
26	Correct	3 ms	2156 KB	Output is correct
27	Correct	3 ms	2156 KB	Output is correct
28	Correct	2 ms	2156 KB	Output is correct
29	Correct	2 ms	2156 KB	Output is correct
30	Correct	2 ms	2156 KB	Output is correct
31	Correct	8 ms	10604 KB	Output is correct
32	Correct	8 ms	10604 KB	Output is correct
33	Correct	8 ms	10604 KB	Output is correct
34	Correct	8 ms	10604 KB	Output is correct
35	Correct	8 ms	10604 KB	Output is correct
36	Correct	8 ms	10604 KB	Output is correct
37	Correct	9 ms	10604 KB	Output is correct
38	Correct	8 ms	10604 KB	Output is correct
39	Correct	8 ms	10604 KB	Output is correct
40	Correct	9 ms	10604 KB	Output is correct

Subtask #5
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 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	1 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	492 KB	Output is correct
12	Correct	1 ms	492 KB	Output is correct
13	Correct	2 ms	492 KB	Output is correct
14	Correct	1 ms	492 KB	Output is correct
15	Correct	1 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	2 ms	492 KB	Output is correct
19	Correct	1 ms	492 KB	Output is correct
20	Correct	1 ms	492 KB	Output is correct
21	Correct	2 ms	2156 KB	Output is correct
22	Correct	2 ms	2156 KB	Output is correct
23	Correct	2 ms	2156 KB	Output is correct
24	Correct	2 ms	2156 KB	Output is correct
25	Correct	2 ms	2156 KB	Output is correct
26	Correct	3 ms	2156 KB	Output is correct
27	Correct	3 ms	2156 KB	Output is correct
28	Correct	2 ms	2156 KB	Output is correct
29	Correct	2 ms	2156 KB	Output is correct
30	Correct	2 ms	2156 KB	Output is correct
31	Correct	8 ms	10604 KB	Output is correct
32	Correct	8 ms	10604 KB	Output is correct
33	Correct	8 ms	10604 KB	Output is correct
34	Correct	8 ms	10604 KB	Output is correct
35	Correct	8 ms	10604 KB	Output is correct
36	Correct	8 ms	10604 KB	Output is correct
37	Correct	9 ms	10604 KB	Output is correct
38	Correct	8 ms	10604 KB	Output is correct
39	Correct	8 ms	10604 KB	Output is correct
40	Correct	9 ms	10604 KB	Output is correct
41	Correct	162 ms	166764 KB	Output is correct
42	Correct	160 ms	166764 KB	Output is correct
43	Correct	165 ms	166764 KB	Output is correct
44	Correct	163 ms	166764 KB	Output is correct
45	Correct	163 ms	166764 KB	Output is correct
46	Correct	164 ms	166892 KB	Output is correct
47	Correct	163 ms	166892 KB	Output is correct
48	Correct	162 ms	166892 KB	Output is correct
49	Correct	169 ms	166892 KB	Output is correct
50	Correct	161 ms	166892 KB	Output is correct
51	Correct	164 ms	166892 KB	Output is correct
52	Correct	160 ms	166892 KB	Output is correct
53	Correct	160 ms	166892 KB	Output is correct
54	Correct	169 ms	166780 KB	Output is correct
55	Correct	160 ms	166892 KB	Output is correct

답안 #385868

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 36.0 / 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
36.0 / 36.0