编写一个 C 程序,使用 for 循环打印右帕斯卡三角形字母图案。
#include <stdio.h>
int main()
{
int i, j, alphabet, rows;
printf("Enter Right Pascal Triangle of Alphabets Rows = ");
scanf("%d", &rows);
printf("The Right Pascal Triangle Alphabets Pattern\n");
alphabet = 65;
for (i = 0; i <= rows - 1; i++)
{
for (j = 0; j <= i; j++)
{
printf("%c ", alphabet + j);
}
printf("\n");
}
for (i = rows - 1; i >= 0; i--)
{
for (j = 0; j < i; j++)
{
printf("%c ", alphabet + j);
}
printf("\n");
}
}

此 C 程序使用 while 循环打印右帕斯卡三角形字母图案。
#include <stdio.h>
int main()
{
int i, j, alphabet, rows;
printf("Enter Right Pascal Triangle of Alphabets Rows = ");
scanf("%d", &rows);
printf("The Right Pascal Triangle Alphabets Pattern\n");
alphabet = 65;
i = 0;
while (i <= rows - 1)
{
j = 0;
while (j <= i)
{
printf("%c ", alphabet + j);
j++;
}
printf("\n");
i++;
}
i = rows - 1;
while (i >= 0)
{
j = 0;
while (j < i)
{
printf("%c ", alphabet + j);
j++;
}
printf("\n");
i--;
}
}
Enter Right Pascal Triangle of Alphabets Rows = 11
The Right Pascal 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
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
此 C 示例 使用 do while 循环打印右帕斯卡三角形字母图案。
#include <stdio.h>
int main()
{
int i, j, alphabet, rows;
printf("Enter Right Pascal Triangle of Alphabets Rows = ");
scanf("%d", &rows);
printf("The Right Pascal Triangle Alphabets Pattern\n");
alphabet = 65;
i = 0;
do
{
j = 0;
do
{
printf("%c ", alphabet + j);
} while (++j <= i);
printf("\n");
} while (++i <= rows - 1);
i = rows - 1;
do
{
j = 0;
do
{
printf("%c ", alphabet + j);
} while (++j < i);
printf("\n");
} while (--i > 0);
}
Enter Right Pascal Triangle of Alphabets Rows = 14
The Right Pascal 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
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