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Cod sursa(job #675534)
#include<fstream>
using namespace std;
ifstream f("scmax.in");
ofstream g("scmax.out");
int n, a[100001],l[100001],poz[100001];
int main()
{
int i,j,max,pmax;
f>>n;
for(i=1;i<=n;i++)
f>>a[i];
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(a[i]<a[j] && l[i]<1+l[j])
{
l[i]=1+l[j];
poz[i]=j;
}
max=l[1];
pmax=1;
for(i=2;i<=n;i++)
if(max<l[i])
{
max=l[i];
pmax=i;
}
g<<max<<endl;
for(i=pmax; i!=-1; i=poz[i])
g<<a[i]<<' ';
return 0;
}