- C
- C++
- Java
- C#
- Python
C
#include <stdio.h>
int main()
{
int n = 9;
int x = n / 2;
int i,j;
for(i = 1; i <= n; i++)
{
for (j = 1; j <= n / 2 + 1; j++)
{
if (j <= x)
{
printf(" ");
}
else
{
printf("%2d", i);
}
}
if (i <= n / 2)
x--;
else
x++;
printf("\n");
}
return 0;
}