Cod sursa(job #483871)

Utilizator soare_cristian16Cristy93 soare_cristian16 Data 10 septembrie 2010 16:04:34
Problema Secv Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.68 kb
#include<iostream>
#include<fstream>
#include<algorithm>
using namespace std;
ifstream f("secv.in");
ofstream g("secv.out");
int v[5001],a[5001],valid[5001],sol[5001],poz[5001],ast,n,m,r,x;
int caut(int x, int n)
{
	int pas=1<<16,i;
	for(i=0;pas;pas>>=1)
		if(i+pas<=n&&a[i+pas]<x)
			i+=pas;
	return i+1;
}
int main()
{
	int i;
	f>>n;
	for(i=1;i<=n;i++)
	{
		f>>x;
		r=caut(x,m);
		a[r]=x;
		v[i]=r;
		if(r>m)
			m++;
	}
	for(i=1;i<=n;i++)
		cout<<v[i]<<" ";
	valid[0]=true;
	for(i=1;i<=n;i++)
	{
		ast=v[i];
		if(valid[ast-1])
		{
			valid[ast]=true;
			poz[ast]=i;
			if(v[i]==a[1])
				sol[ast]=1;
			else
				sol[ast]=sol[ast-1]+i-poz[ast-1];
		}
	}
	g<<sol[m];
	return 0;
}