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Cod sursa(job #949603)
#include<fstream>
#define dim 1003
using namespace std;
ifstream f("subsiruri.in");
ofstream g("subsiruri.out");
long n,maxim,sol;
long v[dim],l[dim],c[dim],x,poz;
void citire()
{
int i;
f>>n;
for(i=1;i<=n;i++)
f>>v[i];
}
void rezolva()
{
int i,j,k;
l[n]=1;
c[n]=1;
for(k=n;k>=1;k--)
{
maxim=0;
poz=0;
for(i=k+1;i<=n;i++)
if(v[i]>v[k]&&l[i]>maxim)
maxim=l[i];
for(j=k+1;j<=n;j++)
if(v[j]>v[k]&&maxim==l[j])
{
poz=poz+c[j];
}
l[k]=1+maxim;
if(poz==0)
c[k]=1;
else
c[k]=poz;
}
for(i=1;i<=n;i++)
if(maxim<l[i])
maxim=l[i];
for(i=1;i<=n;i++)
if(maxim==l[i])
{
sol=sol+c[i];
}
//g<<sol;
g<<maxim<<"\n";
/*for(i=1;i<=n;i++)
g<<v[i]<<" ";
g<<"\n";
for(i=1;i<=n;i++)
g<<l[i]<<" ";
g<<"\n";
for(i=1;i<=n;i++)
g<<c[i]<<" ";*/
// g<<solg<<solg<<solg<<solg<<sol;
}
int main()
{
citire();
rezolva();
return 0;
}