编程实现打印下列图形。要求图形的行数从键盘输入，可以打印任意行的图形。如行数为5时，图形如下：
     1
    121
   12312
  1234123
 123451234

函数7时：
      1
     121
    12312
   1234123
  123451234
 12345612345
1234567123456

厉害！！谢谢啦。。

恩、、虽然大家都是新手！！不过你强我好多啦。！！

pprintf()所有参数
type Output Example
c Character
d or i Signed decimal integer  
e Scientific notation (mantise/exponent) using e character
E Scientific notation (mantise/exponent) using E character
f Decimal floating point
g Use shorter %e or %f
G Use shorter %E or %f
o Signed octal
s String of characters sample
u Unsigned decimal integer  
x Unsigned hexadecimal integer
X Unsigned hexadecimal integer (capital letters)  
p Address pointed by the argument  
n Nothing printed. The argument must be a pointer to integer where the number of characters written so far will be stored.