1a. 1B.explain the logic of why this code produces this output  #include main( ) {int a=3,b,d=12;  float c,f=7.2;  b=a++ * 2;  printf("%d %d\n",a,b);  b=++a *2;  printf("%d %d\n",a,b);  c = f+d/10 ;  f += d%8;  printf("%f %f\n",c,f); } output: 4 6 5 10 8.200000 11.200000

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter15: Recursion
Section: Chapter Questions
Problem 15SA
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1a.

1B.explain the logic of why this code produces this output

 #include <stdio.h>
main( )
{int a=3,b,d=12;
 float c,f=7.2;
 b=a++ * 2;
 printf("%d %d\n",a,b);
 b=++a *2;
 printf("%d %d\n",a,b);
 c = f+d/10 ;
 f += d%8;
 printf("%f %f\n",c,f);
}
output:
4 6
5 10
8.200000 11.200000

 

1B.)explain the logic of this problem

Write the necessary preprocessor macro(s) to convert from radians to degrees.
#define PI 3.141592653589793238462643383279502884197
#define rtd(x) (180.0*(x)/PI)

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