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Cod sursa(job #809068)
#include <fstream>
#define dmax 100001
using namespace std;
ifstream fin("scmax.in");
ofstream fout("scmax.out");
void citire();
void pd();
void afisare();
int n;
int a[dmax];
int lgmax[dmax];
int urm[dmax];
int main()
{
citire();
pd();
afisare();
return 0;
}
void citire()
{
fin>>n;
for(int i=1;i<=n;i++)
fin>>a[i];
}
void pd()
{
int i,j;
lgmax[n]=1;
urm[n]=-1;
for(i=n-1;i>=1;i--)
{
lgmax[i]=1; urm[i]=-1;
for(j=i+1;j<=n;j++)
if(a[i]<a[j] && lgmax[i]<1+lgmax[j])
{
lgmax[i]=1+lgmax[j];
urm[i]=j;
}
}
}
void afisare()
{
int i,max,poz;
max=lgmax[1];
poz=1;
for(i=2;i<=n;i++)
if(max<lgmax[i])
{
max=lgmax[i];
poz=i;
}
fout<<max<<'\n';
i=poz;
while(i!=-1)
{
fout<<a[i]<<' ';
i=urm[i];
}
}