oj.uz

Submission #260506

# Submission time Handle Problem Language Result Execution time Memory
260506 2020-08-10T11:58:15 Z stefantaga Global Warming (CEOI18_glo) C++14
0 / 100
 2000 ms 4948 KB 
#include <bits/stdc++.h>

using namespace std;
int n,x,i,v[200005],b[200005],poz,lcresc[200005],ldesc[200005],j,maxim;
int caut (int val)
{
    int st=1,dr=n,mij,sol=0;
    while (st<=dr)
    {
        mij=(st+dr)/2;
        if (b[mij]<=val)
        {
            sol=mij;
            st=mij+1;
        }
        else
        {
            dr=mij-1;
        }
    }
    return sol;
}
int caut1 (int val)
{
    int st=1,dr=n,mij,sol=0;
    while (st<=dr)
    {
        mij=(st+dr)/2;
        if (b[mij]>=val)
        {
            dr=mij-1;
        }
        else
        {
            sol=mij;
            st=mij+1;
        }
    }
    return sol;
}
int main()
{
    #ifdef HOME
    ifstream cin("date.in");
    ofstream cout("date.out");
    #endif // HOME
    cin>>n>>x;
    for (i=1;i<=n;i++)
    {
        b[i]=2000000005;
    }
    for (i=1;i<=n;i++)
    {
        cin>>v[i];
        poz=caut(v[i]);
        if (v[i]<b[poz+1])
        {
            b[poz+1]=v[i];
            lcresc[i]=poz+1;
        }
    }
    for (i=1;i<=n;i++)
    {
        b[i]=-2000000005;
    }
    for (i=n;i>=1;i--)
    {
        ldesc[i]=1;
        for (j=i+1;j<=n;j++)
        {
            if (v[i]<v[j])
            {
                ldesc[i]=max(ldesc[i],ldesc[j]+1);
            }
        }
    }
    maxim=1;
    for (i=1;i<=n;i++)
    {
        for (j=i-1;j>=1;j--)
        {
             if (v[j]-x<v[i])
             {
                 maxim=max(maxim,ldesc[i]+lcresc[j]);
             }
        }
    }
    cout<<maxim;
    return 0;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2073 ms 4948 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2074 ms 1716 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2056 ms 2692 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -