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Cod sursa(job #873663)
#include <fstream>
using namespace std;
ifstream f("scmax.in");
ofstream g("scmax.out");
int l[100002], i, j, v[100002], a[100002],k,maxim,p,n;
int poz(int p, int u,int a)
{
int mij=p+(u-p)/2;
if(p<=u)
{
if(a==v[mij])
return mij;
if(a<v[mij])
return poz(p, mij-1,a);
if(a>v[mij])
return poz(mij+1,u,a);
}
else
return p;
}
int main()
{
f>>n;
for(i=1;i<=n;i++)
f>>a[i];
for(i=1;i<=n;i++)
{
p=poz(1,k,a[i]);
v[p]=a[i];
if (p>k)
k=p;
l[i]=p;
if(k>maxim)
maxim=p;
}
g<<maxim;
return 0;
}