oj.uz

Submission #415242

# Submission time Handle Problem Language Result Execution time Memory
415242 2021-05-31T17:59:32 Z keta_tsimakuridze Group Photo (JOI21_ho_t3) C++14
100 / 100
 842 ms 509324 KB 
#include<bits/stdc++.h>
#define f first
#define int long long
#define s second
using namespace std;
const int N=5005,mod=1e9+7,Inf=1e9;
int t,ind[N],dp[N],inv[N][N],p[N][N],n,a[N],I[N][N];
string s;
 main(){
	// t=1;
	cin >> n;
	for(int i=1;i<=n;i++){
		cin>>a[i];
		ind[a[i]] = i;
	}
	for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++) {
			inv[i][j] = inv[i][j-1] + (ind[j]>ind[i]);
			p[i][j] = p[i-1][j] + inv[i][j];
		}	
	}    
	for(int i=1;i<=n;i++) {
		dp[i] = Inf;
		for(int j=i;j<=n;j++){
			I[i][j] = I[i][j-1] + (j-i) - (inv[j][j] - inv[j][i-1]); 
			
		}
	}
	for(int i=1;i<=n;i++) {
		for(int j=i;j<=n;j++) {
			//   i-1>>>>>1  j>>>>>i
			dp[j] = min(dp[j],dp[i-1] + (p[j][i-1] - p[i-1][i-1]) + I[i][j] );
		}
	}
	cout<<dp[n];
}

Compilation message

Main.cpp:9:2: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    9 |  main(){
      |  ^~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 2 ms 332 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 2 ms 460 KB Output is correct
12 Correct 2 ms 460 KB Output is correct
13 Correct 1 ms 460 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 3 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 2 ms 460 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct

Subtask #3
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 2 ms 460 KB Output is correct
12 Correct 2 ms 460 KB Output is correct
13 Correct 1 ms 460 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 3 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 2 ms 460 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 3 ms 3404 KB Output is correct
22 Correct 5 ms 3532 KB Output is correct
23 Correct 3 ms 3532 KB Output is correct
24 Correct 4 ms 3532 KB Output is correct
25 Correct 4 ms 3532 KB Output is correct
26 Correct 4 ms 3488 KB Output is correct
27 Correct 4 ms 3532 KB Output is correct
28 Correct 5 ms 3532 KB Output is correct
29 Correct 3 ms 3532 KB Output is correct
30 Correct 3 ms 3532 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 2 ms 460 KB Output is correct
12 Correct 2 ms 460 KB Output is correct
13 Correct 1 ms 460 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 3 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 2 ms 460 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 3 ms 3404 KB Output is correct
22 Correct 5 ms 3532 KB Output is correct
23 Correct 3 ms 3532 KB Output is correct
24 Correct 4 ms 3532 KB Output is correct
25 Correct 4 ms 3532 KB Output is correct
26 Correct 4 ms 3488 KB Output is correct
27 Correct 4 ms 3532 KB Output is correct
28 Correct 5 ms 3532 KB Output is correct
29 Correct 3 ms 3532 KB Output is correct
30 Correct 3 ms 3532 KB Output is correct
31 Correct 21 ms 22412 KB Output is correct
32 Correct 23 ms 22536 KB Output is correct
33 Correct 25 ms 22568 KB Output is correct
34 Correct 19 ms 22588 KB Output is correct
35 Correct 22 ms 22544 KB Output is correct
36 Correct 24 ms 22588 KB Output is correct
37 Correct 23 ms 22608 KB Output is correct
38 Correct 23 ms 22596 KB Output is correct
39 Correct 17 ms 22572 KB Output is correct
40 Correct 17 ms 22616 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 2 ms 460 KB Output is correct
12 Correct 2 ms 460 KB Output is correct
13 Correct 1 ms 460 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 3 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 2 ms 460 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 3 ms 3404 KB Output is correct
22 Correct 5 ms 3532 KB Output is correct
23 Correct 3 ms 3532 KB Output is correct
24 Correct 4 ms 3532 KB Output is correct
25 Correct 4 ms 3532 KB Output is correct
26 Correct 4 ms 3488 KB Output is correct
27 Correct 4 ms 3532 KB Output is correct
28 Correct 5 ms 3532 KB Output is correct
29 Correct 3 ms 3532 KB Output is correct
30 Correct 3 ms 3532 KB Output is correct
31 Correct 21 ms 22412 KB Output is correct
32 Correct 23 ms 22536 KB Output is correct
33 Correct 25 ms 22568 KB Output is correct
34 Correct 19 ms 22588 KB Output is correct
35 Correct 22 ms 22544 KB Output is correct
36 Correct 24 ms 22588 KB Output is correct
37 Correct 23 ms 22608 KB Output is correct
38 Correct 23 ms 22596 KB Output is correct
39 Correct 17 ms 22572 KB Output is correct
40 Correct 17 ms 22616 KB Output is correct
41 Correct 702 ms 508908 KB Output is correct
42 Correct 715 ms 508968 KB Output is correct
43 Correct 694 ms 508988 KB Output is correct
44 Correct 641 ms 509028 KB Output is correct
45 Correct 634 ms 509124 KB Output is correct
46 Correct 699 ms 509100 KB Output is correct
47 Correct 686 ms 509200 KB Output is correct
48 Correct 718 ms 509200 KB Output is correct
49 Correct 644 ms 509188 KB Output is correct
50 Correct 690 ms 509196 KB Output is correct
51 Correct 842 ms 509204 KB Output is correct
52 Correct 740 ms 509208 KB Output is correct
53 Correct 663 ms 509324 KB Output is correct
54 Correct 658 ms 509168 KB Output is correct
55 Correct 698 ms 509128 KB Output is correct