Submission #380821

# Submission time Handle Problem Language Result Execution time Memory
380821 2021-03-23T06:52:32 Z Bill_00 Group Photo (JOI21_ho_t3) C++14
100 / 100
515 ms 165484 KB
#include <bits/stdc++.h>
#define pb push_back
#define ff first
#define ss second
#define ll long long
#define N 5002
#define INF 1000000000
using namespace std;
int a[N],dp[N],pos[N];
int p[N][N],x[N][N];
int main(){
	int n;
	cin >> n;
	for(int i=1;i<=n;i++){
		cin >> a[i];
		pos[a[i]]=i;
	}
	for(int i=1;i<=n;i++){
		for(int j=n;j>=1;j--){
			if(a[j]<=i){
				x[i][j]=x[i][j+1]+1;
			}
			else x[i][j]=x[i][j+1];
		}
	}
	for(int i=1;i<=n;i++){
		for(int j=1;j<=(n-i+1);j++){
			int pp=pos[i+j-1];
			int u=x[i-1][pp];
			p[i][j]=p[i][j-1]+pp+u-i-(x[i+j-1][pp+1]-x[i-1][pp]);
		}
	}
	for(int i=1;i<=n;i++){
		dp[i]=INF;
	}
	for(int i=1;i<=n;i++){
		for(int j=0;j<i;j++){
			dp[i]=min(dp[j]+p[j+1][i-j],dp[i]);
		}
	}
	cout << dp[n];

}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 512 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
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 512 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 1 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 1 ms 492 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 512 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 1 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 1 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 3 ms 2156 KB Output is correct
26 Correct 2 ms 2156 KB Output is correct
27 Correct 2 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
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 512 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 1 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 1 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 3 ms 2156 KB Output is correct
26 Correct 2 ms 2156 KB Output is correct
27 Correct 2 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 13 ms 10476 KB Output is correct
32 Correct 13 ms 10604 KB Output is correct
33 Correct 13 ms 10604 KB Output is correct
34 Correct 13 ms 10624 KB Output is correct
35 Correct 13 ms 10604 KB Output is correct
36 Correct 13 ms 10604 KB Output is correct
37 Correct 16 ms 10604 KB Output is correct
38 Correct 13 ms 10604 KB Output is correct
39 Correct 12 ms 10604 KB Output is correct
40 Correct 13 ms 10604 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 512 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 1 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 1 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 3 ms 2156 KB Output is correct
26 Correct 2 ms 2156 KB Output is correct
27 Correct 2 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 13 ms 10476 KB Output is correct
32 Correct 13 ms 10604 KB Output is correct
33 Correct 13 ms 10604 KB Output is correct
34 Correct 13 ms 10624 KB Output is correct
35 Correct 13 ms 10604 KB Output is correct
36 Correct 13 ms 10604 KB Output is correct
37 Correct 16 ms 10604 KB Output is correct
38 Correct 13 ms 10604 KB Output is correct
39 Correct 12 ms 10604 KB Output is correct
40 Correct 13 ms 10604 KB Output is correct
41 Correct 504 ms 165192 KB Output is correct
42 Correct 498 ms 165228 KB Output is correct
43 Correct 509 ms 165356 KB Output is correct
44 Correct 507 ms 165356 KB Output is correct
45 Correct 503 ms 165356 KB Output is correct
46 Correct 505 ms 165448 KB Output is correct
47 Correct 500 ms 165484 KB Output is correct
48 Correct 500 ms 165356 KB Output is correct
49 Correct 515 ms 165356 KB Output is correct
50 Correct 503 ms 165228 KB Output is correct
51 Correct 506 ms 165228 KB Output is correct
52 Correct 503 ms 165356 KB Output is correct
53 Correct 502 ms 165356 KB Output is correct
54 Correct 501 ms 165228 KB Output is correct
55 Correct 500 ms 165356 KB Output is correct