打印沙漏字母图案的C++程序

编写一个C++程序，使用for循环打印沙镜字母图案。

#include using namespace std;

int main() { int rows, i, j, k, alphabet;


cout << "Enter Sandglass Pattern of Alphabets Rows = ";
cin >> rows;

cout << "Printing Sandglass Alphabets Pattern\\n";
alphabet = 64;

for (i = 1; i <= rows; i++)
{
	for (j = 1; j < i; j++)
	{
		cout << " ";
	}
	for (k = i; k <= rows; k++)
	{
		cout << char(alphabet + k) << " ";
	}
	cout << "\\n";
}

for (i = rows - 1; i >= 1; i--)
{
	for (j = 1; j < i; j++)
	{
		cout << " ";
	}
	for (k = i; k <= rows; k++)
	{
		cout << char(alphabet + k) << " ";
	}
	cout << "\\n";
}

如果(typeof ez_ad_units!='undefined'){ez_ad_units.C++程序使用一个while循环来打印沙漏字母图案。

#include using namespace std;

int main() { int rows, i, j, k, alphabet;

cout << "Enter Sandglass Pattern of Alphabets Rows = ";
cin >> rows;

cout << "Printing Sandglass Alphabets Pattern\\n";
alphabet = 64;
i = 1;

while (i <= rows)
{
	j = 1;
	while (j < i)
	{
		cout << " ";
		j++;
	}

	k = i;
	while (k <= rows)
	{
		cout << char(alphabet + k) << " ";
		k++;
	}
	cout << "\\n";
	i++;
}

i = rows - 1;
while (i >= 1)
{
	j = 1;
	while (j < i)
	{
		cout << " ";
		j++;
	}

	k = i;
	while (k <= rows)
	{
		cout << char(alphabet + k) << " ";
		k++;
	}
	cout << "\\n";
	i--;
}

Enter Sandglass Pattern of Alphabets Rows = 12
Printing Sandglass Alphabets Pattern
A B C D E F G H I J K L 
 B C D E F G H I J K L 
  C D E F G H I J K L 
   D E F G H I J K L 
    E F G H I J K L 
     F G H I J K L 
      G H I J K L 
       H I J K L 
        I J K L 
         J K L 
          K L 
           L 
          K L 
         J K L 
        I J K L 
       H I J K L 
      G H I J K L 
     F G H I J K L 
    E F G H I J K L 
   D E F G H I J K L 
  C D E F G H I J K L 
 B C D E F G H I J K L 
A B C D E F G H I J K L 

这个C++程序使用do while循环显示字母的沙漏模式。

#include using namespace std;

int main() { int rows, i, j, k, alphabet;


cout << "Enter Sandglass Pattern of Alphabets Rows = ";
cin >> rows;

cout << "Printing Sandglass Alphabets Pattern\\n";
alphabet = 64;
i = 1;

do
{
	j = 1;
	do
	{
		cout << " ";

	} while (j++ < i);

	k = i;
	do
	{
		cout << char(alphabet + k) << " ";

	} while (++k <= rows);
	cout << "\\n";

} while (++i <= rows);

i = rows - 1;
do
{
	j = 1;
	do
	{
		cout << " ";

	} while (j++ < i);

	k = i;
	do
	{
		cout << char(alphabet + k) << " ";

	} while (++k <= rows);
	cout << "\\n";

} while (--i >= 1);

}

Enter Sandglass Pattern of Alphabets Rows = 15
Printing Sandglass Alphabets Pattern
 A B C D E F G H I J K L M N O 
  B C D E F G H I J K L M N O 
   C D E F G H I J K L M N O 
    D E F G H I J K L M N O 
     E F G H I J K L M N O 
      F G H I J K L M N O 
       G H I J K L M N O 
        H I J K L M N O 
         I J K L M N O 
          J K L M N O 
           K L M N O 
            L M N O 
             M N O 
              N O 
               O 
              N O 
             M N O 
            L M N O 
           K L M N O 
          J K L M N O 
         I J K L M N O 
        H I J K L M N O 
       G H I J K L M N O 
      F G H I J K L M N O 
     E F G H I J K L M N O 
    D E F G H I J K L M N O 
   C D E F G H I J K L M N O 
  B C D E F G H I J K L M N O 
 A B C D E F G H I J K L M N O