oj.uz

Submission #916507

# Submission time Handle Problem Language Result Execution time Memory
916507 2024-01-26T03:04:59 Z Darren0724 Cat Exercise (JOI23_ho_t4) C++17
41 / 100
 38 ms 39476 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 cnt1=0;
int dc(int l,int r,int rec){
    if(r<=l){
        return 0;
    }
    cnt1++;
    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);
    assert(cnt1<=n);
    cout<<ans<<endl;

    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 31576 KB Output is correct
2 Correct 12 ms 31580 KB Output is correct
3 Correct 12 ms 31596 KB Output is correct
4 Correct 12 ms 31576 KB Output is correct
5 Correct 12 ms 31608 KB Output is correct
6 Correct 13 ms 31580 KB Output is correct
7 Correct 12 ms 31580 KB Output is correct
8 Correct 12 ms 31580 KB Output is correct
9 Correct 13 ms 31580 KB Output is correct
10 Correct 13 ms 31580 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 31576 KB Output is correct
2 Correct 12 ms 31580 KB Output is correct
3 Correct 12 ms 31596 KB Output is correct
4 Correct 12 ms 31576 KB Output is correct
5 Correct 12 ms 31608 KB Output is correct
6 Correct 13 ms 31580 KB Output is correct
7 Correct 12 ms 31580 KB Output is correct
8 Correct 12 ms 31580 KB Output is correct
9 Correct 13 ms 31580 KB Output is correct
10 Correct 13 ms 31580 KB Output is correct
11 Correct 15 ms 31900 KB Output is correct
12 Correct 12 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 13 ms 31640 KB Output is correct
16 Correct 13 ms 31832 KB Output is correct
17 Correct 13 ms 31580 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 31576 KB Output is correct
2 Correct 12 ms 31580 KB Output is correct
3 Correct 12 ms 31596 KB Output is correct
4 Correct 12 ms 31576 KB Output is correct
5 Correct 12 ms 31608 KB Output is correct
6 Correct 13 ms 31580 KB Output is correct
7 Correct 12 ms 31580 KB Output is correct
8 Correct 12 ms 31580 KB Output is correct
9 Correct 13 ms 31580 KB Output is correct
10 Correct 13 ms 31580 KB Output is correct
11 Correct 15 ms 31900 KB Output is correct
12 Correct 12 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 13 ms 31640 KB Output is correct
16 Correct 13 ms 31832 KB Output is correct
17 Correct 13 ms 31580 KB Output is correct
18 Correct 12 ms 31580 KB Output is correct
19 Correct 12 ms 31580 KB Output is correct
20 Correct 13 ms 31576 KB Output is correct
21 Correct 13 ms 31576 KB Output is correct
22 Correct 13 ms 31580 KB Output is correct
23 Correct 13 ms 31580 KB Output is correct
24 Correct 12 ms 31580 KB Output is correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 31576 KB Output is correct
2 Correct 12 ms 31580 KB Output is correct
3 Correct 12 ms 31596 KB Output is correct
4 Correct 12 ms 31576 KB Output is correct
5 Correct 12 ms 31608 KB Output is correct
6 Correct 13 ms 31580 KB Output is correct
7 Correct 12 ms 31580 KB Output is correct
8 Correct 12 ms 31580 KB Output is correct
9 Correct 13 ms 31580 KB Output is correct
10 Correct 13 ms 31580 KB Output is correct
11 Correct 15 ms 31900 KB Output is correct
12 Correct 12 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 13 ms 31640 KB Output is correct
16 Correct 13 ms 31832 KB Output is correct
17 Correct 13 ms 31580 KB Output is correct
18 Correct 12 ms 31580 KB Output is correct
19 Correct 12 ms 31580 KB Output is correct
20 Correct 13 ms 31576 KB Output is correct
21 Correct 13 ms 31576 KB Output is correct
22 Correct 13 ms 31580 KB Output is correct
23 Correct 13 ms 31580 KB Output is correct
24 Correct 12 ms 31580 KB Output is correct
25 Correct 13 ms 31576 KB Output is correct
26 Incorrect 13 ms 31688 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 12 ms 31576 KB Output is correct
2 Correct 12 ms 31580 KB Output is correct
3 Correct 12 ms 31596 KB Output is correct
4 Correct 12 ms 31576 KB Output is correct
5 Correct 12 ms 31608 KB Output is correct
6 Correct 13 ms 31580 KB Output is correct
7 Correct 12 ms 31580 KB Output is correct
8 Correct 12 ms 31580 KB Output is correct
9 Correct 13 ms 31580 KB Output is correct
10 Correct 13 ms 31580 KB Output is correct
11 Correct 15 ms 31900 KB Output is correct
12 Correct 12 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 13 ms 31640 KB Output is correct
16 Correct 13 ms 31832 KB Output is correct
17 Correct 13 ms 31580 KB Output is correct
18 Correct 12 ms 31580 KB Output is correct
19 Correct 12 ms 31580 KB Output is correct
20 Correct 13 ms 31576 KB Output is correct
21 Correct 13 ms 31576 KB Output is correct
22 Correct 13 ms 31580 KB Output is correct
23 Correct 13 ms 31580 KB Output is correct
24 Correct 12 ms 31580 KB Output is correct
25 Correct 38 ms 39476 KB Output is correct
26 Correct 37 ms 38668 KB Output is correct
27 Correct 37 ms 38728 KB Output is correct
28 Correct 38 ms 31580 KB Output is correct
29 Correct 36 ms 31728 KB Output is correct
30 Correct 35 ms 31580 KB Output is correct
31 Correct 34 ms 31580 KB Output is correct

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 31580 KB Output is correct
2 Incorrect 14 ms 31644 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 31576 KB Output is correct
2 Correct 12 ms 31580 KB Output is correct
3 Correct 12 ms 31596 KB Output is correct
4 Correct 12 ms 31576 KB Output is correct
5 Correct 12 ms 31608 KB Output is correct
6 Correct 13 ms 31580 KB Output is correct
7 Correct 12 ms 31580 KB Output is correct
8 Correct 12 ms 31580 KB Output is correct
9 Correct 13 ms 31580 KB Output is correct
10 Correct 13 ms 31580 KB Output is correct
11 Correct 15 ms 31900 KB Output is correct
12 Correct 12 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 13 ms 31640 KB Output is correct
16 Correct 13 ms 31832 KB Output is correct
17 Correct 13 ms 31580 KB Output is correct
18 Correct 12 ms 31580 KB Output is correct
19 Correct 12 ms 31580 KB Output is correct
20 Correct 13 ms 31576 KB Output is correct
21 Correct 13 ms 31576 KB Output is correct
22 Correct 13 ms 31580 KB Output is correct
23 Correct 13 ms 31580 KB Output is correct
24 Correct 12 ms 31580 KB Output is correct
25 Correct 13 ms 31576 KB Output is correct
26 Incorrect 13 ms 31688 KB Output isn't correct
27 Halted 0 ms 0 KB -