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Submission #916505

# Submission time Handle Problem Language Result Execution time Memory
916505 2024-01-26T03:02:25 Z Darren0724 Cat Exercise (JOI23_ho_t4) C++17
41 / 100
 39 ms 40896 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long 
#define all(x) x.begin(),x.end()
#define abcorz ios_base::sync_with_stdio(false);cin.tie(0);
const int N=200005;
const int K=18;
int n;
vector<int> v(N);
int cmp(int i,int j){
    return (v[i]>v[j]?i:j);
}
struct sparse_table{
    vector<vector<int>> mx;
    void init(){
        mx.resize(K,vector<int>(N));
        for(int i=0;i<n;i++){
            mx[0][i]=i;
        }
        for(int i=1;i<K;i++){
            for(int j=0;j+(1<<i)<=n;j++){
                mx[i][j]=cmp(mx[i-1][j],mx[i-1][j+(1<<(i-1))]);
            }
        }
    }
    int ask(int l,int r){
        int p=__lg(r-l);
        return cmp(mx[p][l],mx[p][r-(1<<p)]);
    }
}sp;

int dc(int l,int r,int rec){
    if(r<=l){
        return 0;
    }
    int p=sp.ask(l,r);
    if(rec==-1)rec=p;
    return abs(rec-p)+max(dc(l,p,p),dc(p+1,r,p));
}


int32_t main(){
    abcorz;
    cin>>n;
    for(int i=0;i<n;i++){
        cin>>v[i];
    }
    sp.init();
    int ans=dc(0,n,-1);
    cout<<ans<<endl;

    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 31580 KB Output is correct
2 Correct 12 ms 31580 KB Output is correct
3 Correct 12 ms 31580 KB Output is correct
4 Correct 12 ms 31652 KB Output is correct
5 Correct 12 ms 31576 KB Output is correct
6 Correct 12 ms 31576 KB Output is correct
7 Correct 12 ms 31580 KB Output is correct
8 Correct 12 ms 31576 KB Output is correct
9 Correct 12 ms 31580 KB Output is correct
10 Correct 12 ms 31580 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 31580 KB Output is correct
2 Correct 12 ms 31580 KB Output is correct
3 Correct 12 ms 31580 KB Output is correct
4 Correct 12 ms 31652 KB Output is correct
5 Correct 12 ms 31576 KB Output is correct
6 Correct 12 ms 31576 KB Output is correct
7 Correct 12 ms 31580 KB Output is correct
8 Correct 12 ms 31576 KB Output is correct
9 Correct 12 ms 31580 KB Output is correct
10 Correct 12 ms 31580 KB Output is correct
11 Correct 12 ms 31580 KB Output is correct
12 Correct 13 ms 31580 KB Output is correct
13 Correct 13 ms 31580 KB Output is correct
14 Correct 13 ms 31580 KB Output is correct
15 Correct 12 ms 31580 KB Output is correct
16 Correct 12 ms 31580 KB Output is correct
17 Correct 12 ms 31576 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 31580 KB Output is correct
2 Correct 12 ms 31580 KB Output is correct
3 Correct 12 ms 31580 KB Output is correct
4 Correct 12 ms 31652 KB Output is correct
5 Correct 12 ms 31576 KB Output is correct
6 Correct 12 ms 31576 KB Output is correct
7 Correct 12 ms 31580 KB Output is correct
8 Correct 12 ms 31576 KB Output is correct
9 Correct 12 ms 31580 KB Output is correct
10 Correct 12 ms 31580 KB Output is correct
11 Correct 12 ms 31580 KB Output is correct
12 Correct 13 ms 31580 KB Output is correct
13 Correct 13 ms 31580 KB Output is correct
14 Correct 13 ms 31580 KB Output is correct
15 Correct 12 ms 31580 KB Output is correct
16 Correct 12 ms 31580 KB Output is correct
17 Correct 12 ms 31576 KB Output is correct
18 Correct 12 ms 31836 KB Output is correct
19 Correct 13 ms 31836 KB Output is correct
20 Correct 13 ms 31832 KB Output is correct
21 Correct 14 ms 31832 KB Output is correct
22 Correct 13 ms 31836 KB Output is correct
23 Correct 13 ms 31836 KB Output is correct
24 Correct 13 ms 31836 KB Output is correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 31580 KB Output is correct
2 Correct 12 ms 31580 KB Output is correct
3 Correct 12 ms 31580 KB Output is correct
4 Correct 12 ms 31652 KB Output is correct
5 Correct 12 ms 31576 KB Output is correct
6 Correct 12 ms 31576 KB Output is correct
7 Correct 12 ms 31580 KB Output is correct
8 Correct 12 ms 31576 KB Output is correct
9 Correct 12 ms 31580 KB Output is correct
10 Correct 12 ms 31580 KB Output is correct
11 Correct 12 ms 31580 KB Output is correct
12 Correct 13 ms 31580 KB Output is correct
13 Correct 13 ms 31580 KB Output is correct
14 Correct 13 ms 31580 KB Output is correct
15 Correct 12 ms 31580 KB Output is correct
16 Correct 12 ms 31580 KB Output is correct
17 Correct 12 ms 31576 KB Output is correct
18 Correct 12 ms 31836 KB Output is correct
19 Correct 13 ms 31836 KB Output is correct
20 Correct 13 ms 31832 KB Output is correct
21 Correct 14 ms 31832 KB Output is correct
22 Correct 13 ms 31836 KB Output is correct
23 Correct 13 ms 31836 KB Output is correct
24 Correct 13 ms 31836 KB Output is correct
25 Correct 12 ms 31580 KB Output is correct
26 Incorrect 17 ms 31956 KB Output isn't correct
27 Halted 0 ms 0 KB -

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 31580 KB Output is correct
2 Correct 12 ms 31580 KB Output is correct
3 Correct 12 ms 31580 KB Output is correct
4 Correct 12 ms 31652 KB Output is correct
5 Correct 12 ms 31576 KB Output is correct
6 Correct 12 ms 31576 KB Output is correct
7 Correct 12 ms 31580 KB Output is correct
8 Correct 12 ms 31576 KB Output is correct
9 Correct 12 ms 31580 KB Output is correct
10 Correct 12 ms 31580 KB Output is correct
11 Correct 12 ms 31580 KB Output is correct
12 Correct 13 ms 31580 KB Output is correct
13 Correct 13 ms 31580 KB Output is correct
14 Correct 13 ms 31580 KB Output is correct
15 Correct 12 ms 31580 KB Output is correct
16 Correct 12 ms 31580 KB Output is correct
17 Correct 12 ms 31576 KB Output is correct
18 Correct 12 ms 31836 KB Output is correct
19 Correct 13 ms 31836 KB Output is correct
20 Correct 13 ms 31832 KB Output is correct
21 Correct 14 ms 31832 KB Output is correct
22 Correct 13 ms 31836 KB Output is correct
23 Correct 13 ms 31836 KB Output is correct
24 Correct 13 ms 31836 KB Output is correct
25 Correct 37 ms 40896 KB Output is correct
26 Correct 37 ms 40124 KB Output is correct
27 Correct 39 ms 39992 KB Output is correct
28 Correct 35 ms 33112 KB Output is correct
29 Correct 36 ms 33368 KB Output is correct
30 Correct 35 ms 33016 KB Output is correct
31 Correct 35 ms 33132 KB Output is correct

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 31632 KB Output is correct
2 Incorrect 13 ms 31576 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 31580 KB Output is correct
2 Correct 12 ms 31580 KB Output is correct
3 Correct 12 ms 31580 KB Output is correct
4 Correct 12 ms 31652 KB Output is correct
5 Correct 12 ms 31576 KB Output is correct
6 Correct 12 ms 31576 KB Output is correct
7 Correct 12 ms 31580 KB Output is correct
8 Correct 12 ms 31576 KB Output is correct
9 Correct 12 ms 31580 KB Output is correct
10 Correct 12 ms 31580 KB Output is correct
11 Correct 12 ms 31580 KB Output is correct
12 Correct 13 ms 31580 KB Output is correct
13 Correct 13 ms 31580 KB Output is correct
14 Correct 13 ms 31580 KB Output is correct
15 Correct 12 ms 31580 KB Output is correct
16 Correct 12 ms 31580 KB Output is correct
17 Correct 12 ms 31576 KB Output is correct
18 Correct 12 ms 31836 KB Output is correct
19 Correct 13 ms 31836 KB Output is correct
20 Correct 13 ms 31832 KB Output is correct
21 Correct 14 ms 31832 KB Output is correct
22 Correct 13 ms 31836 KB Output is correct
23 Correct 13 ms 31836 KB Output is correct
24 Correct 13 ms 31836 KB Output is correct
25 Correct 12 ms 31580 KB Output is correct
26 Incorrect 17 ms 31956 KB Output isn't correct
27 Halted 0 ms 0 KB -