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Cod sursa(job #486498)
#include<fstream.h>
ifstream f("scmax.in");
ofstream g("scmax.out");
int i,j,k,n,pmax,max,a[100000],v[100000],L[100000],t[100000];
int main()
{
f>>n;
for(i=1;i<=n;i++)
f>>v[i];
L[1]=1;
for(i=2;i<=n;i++)
{
max=0;
pmax=0;
for(j=1;j<i;j++)
if(v[i]>v[j] && L[j]>max)
{max=L[j];pmax=j;}
L[i]=max+1;
t[i]=pmax;
}
max=0;
for(i=1;i<=n;i++)
if(L[i]>max)
{
max=L[i];
pmax=i;
}
g<<max<<'\n';
k=pmax;
a[max+1]=v[k];
for(i=max;i>=1;i--)
{
a[i]=v[t[k]];
k=t[k];
}
for(i=2;i<=max+1;i++)
g<<a[i]<<" ";
return 0;
}