Display decimal, octal and hexadecimal

. 1 #include <stdio.h>
 2  
. 3  int main ( void )
 . 4  {
 . 5      the printf ( " % D%% O X \ n- " , 10 , 10 , 10 );        // output is octal% o, not 0 
. 6      the printf ( " % D%% X-O \ n- " , 10 , 10 , 10 );        // % X, uppercase hexadecimal value of X, the output is uppercase 
. 7      the printf ( " % D%% # # O X \ n- " , 10 , 10 , 10);      // add #, allowing front octal and hexadecimal number prefix 
. 8      the printf ( " % D% #% # X-O \ n- " , 10 , 10 , 10 );
 . 9      return  0 ;
 10 }