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sebasvp2005

May 29th, 2024

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#include <iostream>
using namespace std;
int menu()
{
int op;
cout << endl << "\t\tMENU";
cout << endl << "\t\t****";
cout << endl << "1- LISTAR ELEMENTOS";
cout << endl << "2- AGREGAR AL FINAL";
cout << endl << "3- AGREGAR AL INICIO";
cout << endl << endl<<" Elija una opcion:";
cin >> op;
return op;
}
int * eliminarPos(int *arr , int &size, int n){
if(n > size || n <= 0 ){
cout << "Posicion invalida\n";
return arr;
}
int * temp = new int[size-1];
int cur=0;
for(int i=0;i<size; i++){
if(i!=n-1) {
temp[cur++] = arr[i];
}
}
size--;
return temp;
}
int *agregarfinal(int *arr, int &size, int v){
int *temp = new int[size+1];
for(int i=0;i<size;i++) temp[i]= arr[i];
temp[size]=v;
size++;
return temp;
}
void listar(int *arr, int size){
for(int i=0;i<size; i++) cout << arr[i] << " ";
cout << endl;
}
int * insertPos(int *arr, int &size, int v, int x ){
int *temp = new int[size+1];
x--;
int cur=0;
for(int i=0;i<x; i++){
temp[cur++] = arr[i];
}
temp[cur++] = v;
for(int i=x; i<size; i++){
temp[cur++] = arr[i];
}
size++;
return temp;
}
void sort(int * arr, int size){
for(int i=0;i<size; i++){
int mn = arr[i];
int ind = i;
for(int j=i; j<size; j++){
if(arr[j] < mn){
mn = arr[j];
ind = j;
}
}
int temp = arr[i];
arr[i] = arr[ind];
arr[ind] = temp;
}
}
void modificarPos(int *arr, int size, int pos, int v){
if(pos>size || pos<=0){
cout << "No se puede\n";
}
arr[pos-1] = v;
}
int main(){
int *arr = nullptr;
int size=0;
while(1){
int x,v;
cout << arr << endl;
switch (menu())
{
case 1:
listar(arr, size);
break;
case 2:
cout << "ingrese elemento: ";
cin>>x;
arr = agregarfinal(arr, size, x);
break;
case 3:
cout << "ingrese posicion: ";
cin>>x;
arr = eliminarPos(arr, size, x);
break;
case 4:
cout << "ingrese posicion: ";cin>>x;
cout << "ingrese valor: "; cin >> v;
arr = insertPos(arr ,size, v, x);
break;
case 5:
sort(arr, size);
break;
case 6:
cout << "ingresa posicion: "; cin>>x;
cout << "ingresa valor: "; cin >>v;
modificarPos(arr, size, x, v);
break;
case 7:
break;
}
}
}

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