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Cod sursa(job #167262)
#include<fstream.h>
#define dim2 5001
ifstream f("secv.in");
ofstream g("secv.out");
struct vect
{int s;
int p;
};
vect v[dim2];
int n,maxim,man[dim2];
int main()
{
int i,j,max,parinte,ok;
f>>n;
for(i=1;i<=n;i++)
{f>>man[i];
ok=1;
for(j=i-1;j>=1;j--)
if(man[j]==man[i]) {ok=0;break;}
maxim+=ok;
}
f.close();
for(i=1;i<=n;i++)
{max=0;
for(j=(i-1);j>=1;j--)
if(man[j]<man[i])
{if(v[j].s>max)
{max=v[j].s;
parinte=j;
}
}
v[i].s=max+1;
if(v[parinte].p) v[i].p=v[parinte].p;
else v[i].p=parinte;
if(v[i].s==maxim)
{g<<(i-v[i].p)+1<<'\n';
break;
}
}
g.close();
return 0;
}