pixnote21的隨手筆記

#include <iostream>

#include <iomanip>

#include <cstdlib>

using namespace std;

int main(void)

{

    int i,j,k,n,x;

    cout << "請輸入n階階數" << endl;

    cin >> n;

    for(i=1;i<=n;i++)

    {

        for(j=1;j<=n-i;j++)

            cout << " ";

        cout << "*" ;

        for(x=0;x<i*2-3;x++)

            (i!=n)?cout << " " : cout<< "*";

        if(i!=1)

           cout << "*" ;

        cout << endl;

    }

    system("PAUSE");

    return 0;

}

執行結果