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Cod sursa(job #863160)
#include<fstream>
using namespace std;
ifstream f("scmax.in");
ofstream g("scmax.out");
int s[100100],v[100100],i,k,kk,p,nr,tot,poz,ma,n;
int cb(int x){
int m,i,j;
i=1;
j=tot;
while(i<=j){
m=(i+j)/2;
if(s[m-1]<x&&s[m]>=x)
return m;
else if(s[m]>=x)
j=m-1;
else i=m+1;
}
return 0;
}
int main ()
{
f>>n;
for(p=1;p<=n;++p)
{
f>>nr;
poz=cb(nr);
if(poz)
{
s[poz]=nr;
tot=poz;
}
else
s[++tot]=nr;
if(tot>ma)
{
ma=tot;
for(kk=1;kk<=ma;++kk)
v[kk]=s[kk];
}
}
g<<ma<<"\n";
for(int i=1;i<=ma;++i)
g<<v[i]<<" ";
return 0;
}