C++ 输出菱形

// print.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"
#include <iostream>
using namespace std;
int _tmain(int argc, _TCHAR* argv[])
{
int N = 15;
for (int i = 1; i <= N; i++)
{
for (int j = 1; j <= N - i; j++)
{
cout << " ";
}
for (int k = 1; k <= i; k++)
{
cout << "* ";
}
cout << endl;
}
for (int i = 1; i <= N; i++)
{
for (int j = 1; j <= i; j++)
{
cout << " ";
}
for (int k = 1; k <= N - i; k++)
{
cout << "* ";
}
cout << endl;
}
return 0;
}