// 8.cpp
#include<iostream>
#include <cstring>
using namespace std;
int main(){
int *pv, *pvnew, *pvordenar, *cuatromayores;
int i=0, val, k, ii, jj;
int dim=1, auxt;
pv = new int[dim];
cuatromayores = new int[4];
do{
cout<<"ingresar valor: ";
cin>>val;
if (val > 0){
if ( (i+1) > dim ){
dim = dim*2;
int *pvnew = new int[dim];
memcpy(pvnew, pv, dim * sizeof(int));
pv = pvnew;
}
pv[i] = val;
i = i+1;
//cout<<"dimension actual "<<i<<"\n";
cout<<"dimension tabla "<<dim<<"\n";
int *pvordenar = new int[dim];
memcpy(pvordenar, pv, dim * sizeof(int));
//cout <<"Datos Ingresados "<< dim <<"\n";
for(k=0; k<i; k++){
cout<<"["<<k<<"]"<<pvordenar[k]<<", ";
}
cout<<"\n";
//ordeno
if(i>1){
for (ii=0; ii<i-1; ii++){
for (jj=0; jj<i-1; jj++){
if(pvordenar[jj] < pvordenar[jj+1]){
auxt = pvordenar[jj];
pvordenar[jj] = pvordenar[jj+1];
pvordenar[jj+1] = auxt;
}
}
}
}
//me quedo con 4 mayores
for(k=0; k<4; k++){
cuatromayores[k] = pvordenar[k];
}
cout<<"Vector de Tamaño Cuatro con los Mayores\n";
for(k=0; k<4; k++){
if(k<i){
cout<<"["<<k<<"]"<<cuatromayores[k]<<", ";
}
}
cout<<"\n-----------------------------\n";
}
else
break; //si es negativo o cero sale del do while
}while(1);
delete [] pv;
delete [] pvnew;
delete [] pvordenar;
delete [] cuatromayores;
return 0;
}
