Problema 3 de Parcial

/*
    n=5
    filas = n-1
     123456789           12345
    1    *****          1*****  n
    2   *   *           2*   *  2
    3  *   *            3*   *  2
    4 *   *             4*   *  2


    5*   *              5*   *  2


    6 *   *             6*   *  2
    7  *   *            7*   *  2
    8   *   *           8*   *  2
    9    *****          9*****  n

*/
#include <iostream>
#include <conio.h>
using namespace std;

void ParteSuperior (int n){

    for (int i=0; i<n-1;i++){
                for (int j=1; j<=n;j++){
                    for (int x=1; x<n-i; x++){
                        if (j==1){
                            cout <<" ";}
                    }
                if (n<10)
                    if (i==0 || j==1 ||j==n){
                           cout<<n;}
                    else {cout << " ";}
                else
                    if (i==0 || j==1 ||j==n){
                           cout<<n;}
                    else {cout << "  ";}
                }
            cout << endl;
    }

}

void ParteCentral (int n){

    for (int i=1; i<=n;i++){
    if (n<10)
        if (i==1 ||i==n)
            cout << n;
        else
            cout << " ";
    else
        if (i==1 ||i==n)
            cout << n;
        else
            cout << "  ";

    }cout << endl;
}

void ParteInferior (int n){

    for (int i=0;i<n-1;i++){
        for (int j=1; j<=n;j++){
            for (int x=n; x> n-i-1;x--){
                if (j==1){
                    cout <<" ";}
            }
        if (n<10)
            if (i==n-2 || j==1 ||j==n){
            cout << n;}
            else
            cout << " ";
        else
        if (i==n-2 || j==1 ||j==n){
            cout << n;}
            else
            cout << "  ";
        }
        cout << endl;
    }
}


int main (){
    int n;
    do {cout << "Intruduce el valor de n: "; cin >> n;}
        while (n<0 ||n>15);
    ParteSuperior(n);
    ParteCentral(n);
    ParteInferior(n);


    getch();
    return 0;
}