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Cod sursa(job #861922)
#include<fstream>
using namespace std;
int v[100005],n,i,L[100000],maxi,mx,k,t;
int main(){
ifstream f("scmax.in");
ofstream g("scmax.out");
f>>n;
for(i=1;i<=n;i++) f>>v[i];
L[n]=1;
for(k=n-1;k>0;k--)
{
mx=0;
for(i=k+1;i<=n;i++)
if(L[i]>mx)
if(v[i]>v[k])
{
mx=L[i];
}
L[k]=mx+1;
if(L[k]>maxi)
{
maxi=L[k];
t=k;
}
}
g<<maxi<<" ";
g<<"\n"<<v[t]<<' ';
for(i=t+1;i<=n;i++)
if ((v[i]>=v[t]) && (L[i]==maxi-1))
{g<<v[i]<<' ';
maxi--;}
return 0;
}