oj.uz

Submission #534898

# Submission time Handle Problem Language Result Execution time Memory
534898 2022-03-09T06:11:48 Z Paul_Liao_1457 Group Photo (JOI21_ho_t3) C++14
100 / 100
 507 ms 244524 KB 
// 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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