编写一个 C 程序,使用 for 循环打印 K 形字母图案。
#include <stdio.h>
int main()
{
int i, j, rows, alphabet;
printf("Enter K Shape Alphabets Pattern Rows = ");
scanf("%d",&rows);
printf("\nThe K Shape Alphabets/Characters Pattern\n");
for (i = rows - 1; i >= 0; i-- )
{
alphabet = 65;
for (j = 0 ; j <= i; j++ )
{
printf("%c ", alphabet + j);
}
printf("\n");
}
for (i = 1 ; i < rows; i++ )
{
alphabet = 65;
for (j = 0 ; j <= i; j++ )
{
printf("%c ", alphabet + j);
}
printf("\n");
}
return 0;
}

这个 C 示例 使用 while 循环打印 K 形字母图案。
#include <stdio.h>
int main()
{
int i, j, rows, alphabet;
printf("Enter K Shape Alphabets Pattern Rows = ");
scanf("%d",&rows);
printf("\nThe K Shape Alphabets/Characters Pattern\n");
i = rows - 1;
while (i >= 0 )
{
alphabet = 65;
j = 0 ;
while ( j <= i)
{
printf("%c ", alphabet + j);
j++;
}
printf("\n");
i--;
}
i = 1 ;
while ( i < rows )
{
alphabet = 65;
j = 0 ;
while ( j <= i )
{
printf("%c ", alphabet + j);
j++;
}
printf("\n");
i++;
}
return 0;
}
Enter K Shape Alphabets Pattern Rows = 8
The K Shape Alphabets/Characters Pattern
A B C D E F G H
A B C D E F G
A B C D E F
A B C D E
A B C D
A B C
A B
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
C 语言使用 do while 循环显示 K 形字母图案的程序。
#include <stdio.h>
int main()
{
int i, j, rows, alphabet;
printf("Enter K Shape Alphabets Pattern Rows = ");
scanf("%d",&rows);
printf("\nThe K Shape Alphabets/Characters Pattern\n");
i = rows - 1;
do
{
alphabet = 65;
j = 0 ;
do
{
printf("%c ", alphabet + j);
} while ( ++j <= i) ;
printf("\n");
} while (--i >= 0 );
i = 1 ;
do
{
alphabet = 65;
j = 0 ;
do
{
printf("%c ", alphabet + j);
} while ( ++j <= i );
printf("\n");
} while ( ++i < rows );
return 0;
}
Enter K Shape Alphabets Pattern Rows = 12
The K Shape Alphabets/Characters Pattern
A B C D E F G H I J K L
A B C D E F G H I J K
A B C D E F G H I J
A B C D E F G H I
A B C D E F G H
A B C D E F G
A B C D E F
A B C D E
A B C D
A B C
A B
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