The 42nd

Well, hello. I have a problem with reading data from binary files into arrays. For example, let's say that we have d.bin file which contains pairs of strings with max lenght of 32 chars and double values like this: string12.334343 AS34.34 something3 where the string always takes up 32 bytes. …

Here I am again... The question that I have is this: How do I sort an array of structures by two criteria? One element of the array looks like this: [CODE]struct record{ char name[32]; double value;};[/CODE] The goal would be to sort the array by name and if the name …

Hello. The title pretty much says it all. I would like to know if and how you can print a number (type is double) with the same amount of decimal spaces as the one you entered. If I enter 12.34 I would like the output to be 12.34 and not …

Hi once again. As the title implies, the goal of the following code is to create calculator for operations +,-,*,/ and ^. However, the operations are to be executed on values in the files I arbitrarily named a.txt and b.txt. a.txt contains following data: a1 era1 a2 era2 . . …

Hi. I have trouble with getting the following program to convert string to float type. What i need to do is this: 12.345e3 = 12345 12e-2=0.12 -12.34=-12.34 -12.34e3=-12340 -12.34e-2=-0.1234 e: = x 10^ I got it to do the basics. However, It doesn't work in case of negative numbers or …

Hello to all. I have a problem with replacing a part of a string with another string. The following code does not work. However, if you remove void in front of replace_str, in Code Blocks i am able to run it (WHY???) despite the fact that i still get a …