#include <iostream>
using namespace std;
int main() {
//矩形
/*
*****
*****
*****
*****
*****
*/
for (int i = 0; i < 5; i++)
{
for (int j = 0; j < 5; j++)
{
cout << "*";
}
cout << endl;
}
//正三角
/*
*
**
***
****
*****
*/
for (int i = 0; i < 5; i++)
{
for (int j = 0; j <= i; j++)
{
cout << "*";
}
cout << endl;
}
//打印倒三角
/*
*
**
***
****
*****
*/
for (int i = 0; i < 5; i++)
{
for (int j = i+1; j > 0; j--)
{
cout << "*";
}
cout << endl;
}
//打印等腰三角形(1)
/*
*
***
*****
*******
*********
*/
for (int i = 0; i < 5; i++)
{
for (int j = 4-i; j > 0; j--)
{
cout << " ";
}
for (int k = 0; k < 2*i+1; k++)
{
cout << "*";
}
cout << endl;
}
return 0;
}
待续…