PieIsMyFav

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Solution

This challenge is pretty easy. Given an ELF file

It needs to validate a number, but not just any number.

Dissamble the program using Ghidra, i can see it checks the number with some calculations

Line 17 is where the numbers are calculated

To sum up, the calculation looks like this.

number = (14 + 100 x 3) / 100

So the number calculated is 3.42

p/s: i know nothing about the language but im pretty sure it is portugese and it says "correct" 🤣