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Cod sursa(job #407589)
#include<fstream>
using namespace std;
#define Nmax 100005
ifstream f("scmax.in");
ofstream g("scmax.out");
int v[Nmax],l[Nmax],poz[Nmax],n;
void pd()
{
int i,j;
l[n]=1;poz[n]=-1;
for(i=n-1;i>=0;i--)
for(l[i]=1,poz[i]=-1,j=i+1;j<=n;j++)
if(v[i]<v[j] && l[i]<1+l[j])
{
l[i]=1+l[j];
poz[i]=j;
}
}
void max()
{
int max=l[1],pozmax=1;
for(int i=2;i<=n;i++)
if(max<l[i]) {max=l[i];pozmax=i;}
g<<max<<' ';
for(int j=pozmax;j!=-1;j=poz[j])
g<<v[j]<<' ';
}
int main()
{
f>>n;
for(int i=1;i<=n;i++)
f>>v[i];
pd();
max();
f.close();
g.close();
return 0;
}