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Cod sursa(job #384449)
#include<fstream>
using namespace std;
int v[100005],n,l[100005],p[100005];
int main()
{
int i,j;
ifstream fin("scmax.in") ;
fin>>n;
for(i=1;i<=n;i++)
fin>>v[i];
fin.close();
l[n]=1;
p[n]=-1;
int poz;
for(i=n;i>0;i--)
{
poz=0;
for(j=poz;j<=n;j++)
if(v[j]>v[i])
if(poz==0)
poz=j,p[i]=poz;
else if(l[j]>l[poz])
poz=j,p[i]=poz;
if(poz==0)
l[i]=1,p[i]=-1;
else l[i]=l[poz]+1;
}
poz=1;
for(i=1;i<=n;i++)
if(l[i]>l[poz])
poz++;
ofstream fout("scmax.out") ;
fout<<l[poz]<<endl;
while(i!=-1)
{
fout<<v[i]<<" ";
i=p[i];
}
return 0;
}