example 2.c

北大青鸟软件工程师ppt的学生用书源代码

# include <stdio.h>
void main ()
{
  float book_price = 60.75;
  printf("\n 书的价格 = %f",book_price);
  book_price += 12.50;
  printf("\n 书的新价格 =%f\n",book_price);
}