打印直角三角形字母图案的C语言程序

编写一个C语言程序，使用for循环打印直角三角形字母图案。

#include <stdio.h>

int main() { i, j, rows, alphabet = 65;

printf("Enter Right Triangle Alphabets Pattern Rows = ");
scanf("%d",&rows);

printf("The Right Angled Triangle Alphabets Pattern\\n"); 

for (i = 0 ; i < rows; i++ ) 
{
	for (j = 0 ; j <= i; j++ ) 	
	{
		printf("%c ", alphabet + j);
	}
	printf("\\n");
}

return 0;

这个C范例使用while循环打印直角三角形图案中的字母。

#include <stdio.h>.

int main() { int i = 0, j, rows, alphabet = 65;

printf("Enter Right Triangle Alphabets Pattern Rows = ");
scanf("%d",&rows);

printf("\\nThe Right Angled Triangle Alphabets Pattern\\n"); 

while (i < rows ) 
{
	j = 0 ;
	while ( j <= i ) 	
	{
		printf("%c ", alphabet + j);
		j++;
	}
	printf("\\n");
	i++;
}

return 0;

Enter Right Triangle Alphabets Pattern Rows = 12

The Right Angled Triangle Alphabets Pattern
A 
A B 
A B C 
A B C D 
A B C D E 
A B C D E F 
A B C D E F G 
A B C D E F G H 
A B C D E F G H I 
A B C D E F G H I J 
A B C D E F G H I J K 
A B C D E F G H I J K L

使用do while循环显示字母的直角三角形图案的C程序。

#include <stdio.h>

int main() { int i = 0, j, rows, alphabet = 65;

printf("Enter Right Triangle Alphabets Pattern Rows = ");
scanf("%d",&rows);

printf("\\nThe Right Angled Triangle Alphabets Pattern\\n"); 

do 
{
	j = 0 ;
	do	
	{
		printf("%c ", alphabet + j);

	} while (++j <= i );
	printf("\\n");

} while (++i < rows );

return 0;

Enter Right Triangle Alphabets Pattern Rows = 16

The Right Angled Triangle Alphabets Pattern
A 
A B 
A B C 
A B C D 
A B C D E 
A B C D E F 
A B C D E F G 
A B C D E F G H 
A B C D E F G H I 
A B C D E F G H I J 
A B C D E F G H I J K 
A B C D E F G H I J K L 
A B C D E F G H I J K L M 
A B C D E F G H I J K L M N 
A 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 P