dyta.cpp

实现打印图案的功能

#include<iostream.h>
void trgl(unsigned int);
void re_trgl(unsigned int);
void main()
{
	unsigned int k;
	cout<<"请输入要打印的行数:";
	cin>>k;
	trgl(k);
	re_trgl(k);
}
void trgl(unsigned int n)
{
	unsigned i,j;
	for(i=1;i<=n;i++)
	{
		for(j=1;j<(n-i+1);j++)
		    cout<<' ';
	    for(j=1;j<=(2*i-1);j++)
		    cout<<'*';
	    cout<<endl;
	}
}
void re_trgl(unsigned int n)
{
	unsigned i,j;
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=(i-1);j++)
			cout<<' ';
		for(j=1;j<=(2*(n-i)+1);j++)
			cout<<'*';
		cout<<endl;
	}
}