showsign.c

不错书对C++/C程序员很有用的大家不要错过.

#include <stdio.h>

void main(void)
 {
   int neg_int = -5;
   int pos_int = 5;  
   float neg_flt = -100.23;
   float pos_flt = 100.23;

   printf("The integer values are %+d and %+d\n", neg_int, pos_int);
   printf("The floating point values are %+f %+f\n", neg_flt, pos_flt);
 }