답안 #534898

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
534898	2022-03-09T06:11:48 Z	Paul_Liao_1457	Group Photo (JOI21_ho_t3)	C++14	100 / 100	507 ms	244524 KB

Main

// 還要更強
#include<iostream>
#include<queue>
#include<set>
#include<map>
#include<iomanip>
#include<math.h>
#include<cstring>
#include<stack>
#include<string.h>
#include<random>
#include<algorithm>
#include<vector>

#define ll long long
#define FOR(i,a,b) for(int i=a;i<b;i++)
#define REP(i,a,b) for(int i=a;i>=b;i--)
#define S second
#define F first
#define INF (ll)(3e18)
#define pb push_back
#define AC ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);

using namespace std;

int n,h[5005],pos[5005],pre[2][5005][5005],dp[5005];
bool ni[2][5005][5005];

signed main(){
    AC;
    cin>>n;
    FOR(i,1,n+1){
        cin>>h[i]; pos[h[i]]=i;
    }
    FOR(i,1,n+1)FOR(j,1,i){
        if(pos[i]<pos[j]) ni[0][i][j]=1;
        else ni[1][i][j]=1;
    }
    FOR(i,1,n+1)FOR(j,1,n+1){
        pre[0][i][j]=pre[0][i-1][j]+pre[0][i][j-1]-pre[0][i-1][j-1]+ni[0][i][j];
        pre[1][i][j]=pre[1][i-1][j]+pre[1][i][j-1]-pre[1][i-1][j-1]+ni[1][i][j];
        //cout<<"pre["<<i<<"]["<<j<<"]="<<pre[i][j]<<endl;
    }
    dp[1]=0;
    FOR(i,2,n+1){
        dp[i]=pre[1][i][i];
        FOR(j,1,i){
            int tmp=pre[0][i][j]-pre[0][j][j],tmp2=pre[1][i][i]-pre[1][i][j]-pre[1][j][i]+pre[1][j][j];
            //cout<<"i="<<i<<" j="<<j<<" tmp="<<tmp<<" tmp2="<<tmp2<<endl;
            dp[i]=min(dp[i],tmp+tmp2+dp[j]);
        }
        //cout<<"dp["<<i<<"]="<<dp[i]<<endl;
    }
    cout<<dp[n]<<endl;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	324 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	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	460 KB	Output is correct
8	Correct	1 ms	460 KB	Output is correct
9	Correct	1 ms	448 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	324 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	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	460 KB	Output is correct
8	Correct	1 ms	460 KB	Output is correct
9	Correct	1 ms	448 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	588 KB	Output is correct
12	Correct	1 ms	588 KB	Output is correct
13	Correct	0 ms	588 KB	Output is correct
14	Correct	1 ms	588 KB	Output is correct
15	Correct	1 ms	588 KB	Output is correct
16	Correct	1 ms	588 KB	Output is correct
17	Correct	1 ms	588 KB	Output is correct
18	Correct	1 ms	588 KB	Output is correct
19	Correct	1 ms	588 KB	Output is correct
20	Correct	1 ms	588 KB	Output is correct

Subtask #3
32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	324 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	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	460 KB	Output is correct
8	Correct	1 ms	460 KB	Output is correct
9	Correct	1 ms	448 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	588 KB	Output is correct
12	Correct	1 ms	588 KB	Output is correct
13	Correct	0 ms	588 KB	Output is correct
14	Correct	1 ms	588 KB	Output is correct
15	Correct	1 ms	588 KB	Output is correct
16	Correct	1 ms	588 KB	Output is correct
17	Correct	1 ms	588 KB	Output is correct
18	Correct	1 ms	588 KB	Output is correct
19	Correct	1 ms	588 KB	Output is correct
20	Correct	1 ms	588 KB	Output is correct
21	Correct	2 ms	3788 KB	Output is correct
22	Correct	3 ms	3788 KB	Output is correct
23	Correct	2 ms	3788 KB	Output is correct
24	Correct	2 ms	3776 KB	Output is correct
25	Correct	3 ms	3788 KB	Output is correct
26	Correct	2 ms	3788 KB	Output is correct
27	Correct	2 ms	3788 KB	Output is correct
28	Correct	2 ms	3788 KB	Output is correct
29	Correct	2 ms	3776 KB	Output is correct
30	Correct	2 ms	3788 KB	Output is correct

Subtask #4
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	324 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	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	460 KB	Output is correct
8	Correct	1 ms	460 KB	Output is correct
9	Correct	1 ms	448 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	588 KB	Output is correct
12	Correct	1 ms	588 KB	Output is correct
13	Correct	0 ms	588 KB	Output is correct
14	Correct	1 ms	588 KB	Output is correct
15	Correct	1 ms	588 KB	Output is correct
16	Correct	1 ms	588 KB	Output is correct
17	Correct	1 ms	588 KB	Output is correct
18	Correct	1 ms	588 KB	Output is correct
19	Correct	1 ms	588 KB	Output is correct
20	Correct	1 ms	588 KB	Output is correct
21	Correct	2 ms	3788 KB	Output is correct
22	Correct	3 ms	3788 KB	Output is correct
23	Correct	2 ms	3788 KB	Output is correct
24	Correct	2 ms	3776 KB	Output is correct
25	Correct	3 ms	3788 KB	Output is correct
26	Correct	2 ms	3788 KB	Output is correct
27	Correct	2 ms	3788 KB	Output is correct
28	Correct	2 ms	3788 KB	Output is correct
29	Correct	2 ms	3776 KB	Output is correct
30	Correct	2 ms	3788 KB	Output is correct
31	Correct	14 ms	18628 KB	Output is correct
32	Correct	14 ms	18636 KB	Output is correct
33	Correct	15 ms	18628 KB	Output is correct
34	Correct	15 ms	18756 KB	Output is correct
35	Correct	14 ms	18764 KB	Output is correct
36	Correct	15 ms	18764 KB	Output is correct
37	Correct	17 ms	18616 KB	Output is correct
38	Correct	15 ms	18796 KB	Output is correct
39	Correct	15 ms	18688 KB	Output is correct
40	Correct	15 ms	18636 KB	Output is correct

Subtask #5
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	324 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	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	460 KB	Output is correct
8	Correct	1 ms	460 KB	Output is correct
9	Correct	1 ms	448 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	588 KB	Output is correct
12	Correct	1 ms	588 KB	Output is correct
13	Correct	0 ms	588 KB	Output is correct
14	Correct	1 ms	588 KB	Output is correct
15	Correct	1 ms	588 KB	Output is correct
16	Correct	1 ms	588 KB	Output is correct
17	Correct	1 ms	588 KB	Output is correct
18	Correct	1 ms	588 KB	Output is correct
19	Correct	1 ms	588 KB	Output is correct
20	Correct	1 ms	588 KB	Output is correct
21	Correct	2 ms	3788 KB	Output is correct
22	Correct	3 ms	3788 KB	Output is correct
23	Correct	2 ms	3788 KB	Output is correct
24	Correct	2 ms	3776 KB	Output is correct
25	Correct	3 ms	3788 KB	Output is correct
26	Correct	2 ms	3788 KB	Output is correct
27	Correct	2 ms	3788 KB	Output is correct
28	Correct	2 ms	3788 KB	Output is correct
29	Correct	2 ms	3776 KB	Output is correct
30	Correct	2 ms	3788 KB	Output is correct
31	Correct	14 ms	18628 KB	Output is correct
32	Correct	14 ms	18636 KB	Output is correct
33	Correct	15 ms	18628 KB	Output is correct
34	Correct	15 ms	18756 KB	Output is correct
35	Correct	14 ms	18764 KB	Output is correct
36	Correct	15 ms	18764 KB	Output is correct
37	Correct	17 ms	18616 KB	Output is correct
38	Correct	15 ms	18796 KB	Output is correct
39	Correct	15 ms	18688 KB	Output is correct
40	Correct	15 ms	18636 KB	Output is correct
41	Correct	458 ms	244052 KB	Output is correct
42	Correct	492 ms	244252 KB	Output is correct
43	Correct	494 ms	244284 KB	Output is correct
44	Correct	497 ms	244152 KB	Output is correct
45	Correct	503 ms	244420 KB	Output is correct
46	Correct	482 ms	244296 KB	Output is correct
47	Correct	487 ms	244412 KB	Output is correct
48	Correct	479 ms	244420 KB	Output is correct
49	Correct	497 ms	244340 KB	Output is correct
50	Correct	487 ms	244456 KB	Output is correct
51	Correct	480 ms	244248 KB	Output is correct
52	Correct	491 ms	244332 KB	Output is correct
53	Correct	492 ms	244304 KB	Output is correct
54	Correct	507 ms	244292 KB	Output is correct
55	Correct	500 ms	244524 KB	Output is correct

답안 #534898

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