Unatkoztam, ezért optimalizáltam a kódot, szóval profilerben is jól fut már, de a cporta nem fogadja el :D

vektor.cpp

#include "vektor.h"

unsigned int Vektor::defSize = 13;
double Vektor::defValue = -435;


Vektor::Vektor(const Vektor& v) {
	nElements = v.nElements;
	pVec = new double[nElements];

	register double *vit, *it, *end;
	for(vit=v.pVec, end=v.pVec+nElements, it=pVec; vit!=end; vit++, it++)
		*it=*vit;
}

Vektor::~Vektor() {
	delete[] pVec;
}

Vektor& Vektor::operator=(const Vektor& v) {
	if(this==&v) return *this;

	if(v.nElements != nElements) {
		delete[] pVec;
		nElements = v.nElements;
		pVec = new double[nElements];
	}

	register double *vit, *it, *end;
	for(vit=v.pVec, end=v.pVec+nElements, it=pVec; vit!=end; vit++, it++)
		*it=*vit;

	return *this;
}

double& Vektor::operator[](unsigned int idx) {
	if(idx>=nElements) throw "DP1FGW";
	return pVec[idx];
}

const double& Vektor::operator[](unsigned int idx) const {
	if(idx>=nElements) throw "DP1FGW";
	return pVec[idx];
}

Vektor operator*(register double val, const Vektor& vec)
{
	register Vektor v = vec;

	register double *it, *end;
	for(it=v.pVec, end=v.pVec+v.nElements; it!=end; it++)
		(*it)*=val;

	return v;
}