답안 #415242

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
415242	2021-05-31T17:59:32 Z	keta_tsimakuridze	Group Photo (JOI21_ho_t3)	C++14	100 / 100	842 ms	509324 KB

Main

#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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

답안 #415242

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