A89: displaying varibles


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A89: displaying varibles



i have 2 questions for everyone...
 
number 1:
i would like to find a random number by subtracting the maximum number from the minimum, using that differance and finding the random, and then adding the minimum number to the newly found random number.
i tried this:
 
  max=20000;
  min=12000;
  b= ( max - min );
  num= rand(b);
  final= (num+min);
 
i got errors when i did this though. what am i doing wrong?
 
Number 2:
i want to display the random number using printf_xy
 
in the code above how would i go about displaying varible 'final'