Cod sursa(job #1015613)

Utilizator andreip1996Paun Andrei andreip1996 Data 24 octombrie 2013 21:24:59
Problema Subsir crescator maximal Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.91 kb
#include <cstdio>

using namespace std;

int a[100002],n,p[100002],q[100002];
int len;

void citire()
{
    scanf("%d",&n);
    for(int i=0;i<n;i++)
        scanf("%d",&a[i]);
}

int inserare(int v)
{
    int st=0;
    int dr=len;
    while(st<=dr )
    {
        int m=(st+dr)/2;
        if(v<q[m])
            dr=m-1;
        else
            st=m+1;
    }
    q[st]=v;
    if(st>len)
        len++;
    return st;
}

void constr()
{
    q[0]=a[0];
    p[0]=0;
    for(int i=1;i<n;i++)
          p[i]=inserare(a[i]);

}

void afis(int i,int lg)
{
    if(i>=0)
        if(p[i]==lg)
    {
        int k=i;
        afis(i-1,lg-1);
        printf("%d ",a[k]);
    }
    else
        {
            afis(i-1,lg);
        }

}

int main()
{
    freopen("scmax.in","r",stdin);
    freopen("scmax.out","w",stdout);
    citire();
    constr();
    afis(n,len);
    return 0;
}