以反向模式打印三角形数字的C语言程序

编写一个C语言程序，使用for循环打印三角形数字的反向模式。

#include <stdio.h

int main() { int rows;


printf("Enter Triangle of Numbers in Reverse Rows = ");
scanf("%d", &rows);

printf("Triangle of Numbers in Reverse Order Pattern\\n");

for (int i = rows; i >= 1; i--)
{
	for (int j = 1; j < i; j++)
	{
		printf(" ");
	}
	for (int k = i; k <= rows; k++)
	{
		printf("%d ", k);
	}
	printf("\\n");
}

这个C语言程序使用while循环按降序或逆序打印数字的三角形图案。

#include <stdio.h>.

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


printf("Enter Triangle of Numbers in Reverse Rows = ");
scanf("%d", &rows);

printf("Triangle of Numbers in Reverse Order Pattern\\n");
i = rows;

while (i >= 1)
{
	j = 1;
	while (j < i)
	{
		printf(" ");
		j++;
	}

	k = i;
	while (k <= rows)
	{
		printf("%d ", k);
		k++;
	}

	printf("\\n");
	i--;
}

Enter Triangle of Numbers in Reverse Rows = 9
Triangle of Numbers in Reverse Order Pattern
        9 
       8 9 
      7 8 9 
     6 7 8 9 
    5 6 7 8 9 
   4 5 6 7 8 9 
  3 4 5 6 7 8 9 
 2 3 4 5 6 7 8 9 
1 2 3 4 5 6 7 8 9 

这个C语言的例子使用do while循环来打印倒序模式的三角形的数字。

#include <stdio.h>

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


printf("Enter Triangle of Numbers in Reverse Rows = ");
scanf("%d", &rows);

printf("Triangle of Numbers in Reverse Order Pattern\\n");
i = rows;

do
{
	j = 1;
	do
	{
		printf(" ");

	} while (j++ < i);

	k = i;
	do
	{
		printf("%d ", k);

	} while (++k <= rows);

	printf("\\n");

} while (--i >= 1);

Enter Triangle of Numbers in Reverse Rows = 5
Triangle of Numbers in Reverse Order Pattern
     5 
    4 5 
   3 4 5 
  2 3 4 5 
 1 2 3 4 5