oj.uz

Submission #883706

# Submission time Handle Problem Language Result Execution time Memory
883706 2023-12-05T18:48:51 Z alexdd K blocks (IZhO14_blocks) C++17
53 / 100
 1000 ms 217216 KB 
#include<iostream>
#include<deque>
#pragma GCC optimize("O3,unroll-loops")
using namespace std;
const int INF = 1e9;
int n,k;
int a[100005];
int tole[100005];
int tori[100005];
int aint[270000][105];
int lazy[270000][105];
void propagate(int nod, int c)
{
    if(lazy[nod][c]==INF)
        return;
    aint[nod*2][c] = min(aint[nod*2][c], lazy[nod][c]);
    lazy[nod*2][c] = min(lazy[nod*2][c], lazy[nod][c]);
    aint[nod*2+1][c] = min(aint[nod*2+1][c], lazy[nod][c]);
    lazy[nod*2+1][c] = min(lazy[nod*2+1][c], lazy[nod][c]);
    lazy[nod][c]=INF;
}
void upd(int nod, int st, int dr, int le, int ri, int newv, int c)
{
    if(le>ri)
        return;
    if(le==st && dr==ri)
    {
        if(aint[nod][c]>newv)
        {
            aint[nod][c]=newv;
            lazy[nod][c]=newv;
        }
        return;
    }
    propagate(nod,c);
    int mij=(st+dr)/2;
    upd(nod*2,st,mij,le,min(mij,ri),newv,c);
    upd(nod*2+1,mij+1,dr,max(mij+1,le),ri,newv,c);
    aint[nod][c] = min(aint[nod*2][c],aint[nod*2+1][c]);
}
int qry(int nod, int st, int dr, int le, int ri, int c)
{
    if(le>ri)
        return INF;
    if(le==st && dr==ri)
        return aint[nod][c];
    propagate(nod,c);
    int mij=(st+dr)/2;
    return min(qry(nod*2,st,mij,le,min(mij,ri),c),
               qry(nod*2+1,mij+1,dr,max(mij+1,le),ri,c));
}

signed main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);
    cin>>n>>k;
    deque<int> dq;
    for(int i=1;i<=n;i++)
    {
        cin>>a[i];
        while(!dq.empty() && a[dq.back()]<=a[i])
            dq.pop_back();
        if(dq.empty())
            tole[i]=0;
        else
            tole[i]=dq.back();
        dq.push_back(i);
    }
    dq.clear();
    for(int i=n;i>0;i--)
    {
        while(!dq.empty() && a[dq.back()]<=a[i])
            dq.pop_back();
        if(dq.empty())
            tori[i]=n+1;
        else
            tori[i]=dq.back();
        dq.push_back(i);
    }
    int mxm=0;
    for(int i=1;i<=n;i++)
    {
        mxm = max(mxm,a[i]);
        upd(1,0,n,i,i,mxm-INF,1);
    }
    for(int i=1;i<=n;i++)
    {
        for(int j=2;j<=k;j++)
        {
            upd(1,0,n,i,tori[i]-1,qry(1,0,n,tole[i],i-1,j-1)+a[i],j);
        }
    }
    cout<<qry(1,0,n,n,n,k) + INF;
    return 0;
}
/**
10 5
1 9 1 9 1 9 1 9 1 9
*/

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 0 ms 600 KB Output is correct
14 Correct 0 ms 604 KB Output is correct
15 Correct 0 ms 604 KB Output is correct
16 Correct 0 ms 604 KB Output is correct
17 Correct 0 ms 600 KB Output is correct
18 Correct 1 ms 604 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 500 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 0 ms 600 KB Output is correct
14 Correct 0 ms 604 KB Output is correct
15 Correct 0 ms 604 KB Output is correct
16 Correct 0 ms 604 KB Output is correct
17 Correct 0 ms 600 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 1 ms 500 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 2 ms 600 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 344 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 600 KB Output is correct
51 Correct 1 ms 604 KB Output is correct
52 Correct 1 ms 604 KB Output is correct
53 Correct 1 ms 604 KB Output is correct
54 Correct 2 ms 604 KB Output is correct
55 Correct 1 ms 604 KB Output is correct
56 Correct 1 ms 604 KB Output is correct
57 Correct 1 ms 616 KB Output is correct

Subtask #4
0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 0 ms 600 KB Output is correct
14 Correct 0 ms 604 KB Output is correct
15 Correct 0 ms 604 KB Output is correct
16 Correct 0 ms 604 KB Output is correct
17 Correct 0 ms 600 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 1 ms 500 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 2 ms 600 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 344 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 600 KB Output is correct
51 Correct 1 ms 604 KB Output is correct
52 Correct 1 ms 604 KB Output is correct
53 Correct 1 ms 604 KB Output is correct
54 Correct 2 ms 604 KB Output is correct
55 Correct 1 ms 604 KB Output is correct
56 Correct 1 ms 604 KB Output is correct
57 Correct 1 ms 616 KB Output is correct
58 Correct 58 ms 26552 KB Output is correct
59 Correct 51 ms 108624 KB Output is correct
60 Correct 119 ms 108628 KB Output is correct
61 Correct 824 ms 108768 KB Output is correct
62 Execution timed out 1079 ms 217216 KB Time limit exceeded
63 Halted 0 ms 0 KB -