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Cod sursa(job #260720)
#include<fstream>
#include<iostream>
using namespace std;
int a[100000],poz[100000],l[100000];
int main()
{
long n,i, j,max,k, pozmax;
ifstream f("scmax.in");
f>>n;
for(i=1;i<=n;i++)
f>>a[i];
f.close();
l[n]=1;poz[n]=-1;
for(i=n-1;i>=1;i--)
for(j=i+1;j<=n;j++)
if(a[i]<a[j]&&l[i]<=l[j])
{
l[i]=l[j]+1;
poz[i]=j;
}
max=l[1];pozmax=poz[1];
for(i=2;i<=n;i++)
if(l[i]>max)
{ max=l[i];
pozmax=i;
}
ofstream g("scmax.out");
g<<max<<endl;
for(i=pozmax;i!=-1;i=poz[i])
g<<a[i]<<" ";
g.close();
return 0;
}