I Have 10 Years of Experience at 25

I joke with my friends that i have 10 years of experience when it comes to programming but its actually not totally a joke 

Since i was 15 years old when I took my first Computer Science course, its not just a claim, I have proof!

The first course was CS50, Harvard introductory course to computer science, here is some screenshot from that period of me in there facebook group asking for feedback on their graded assignements

 

This is my post after finishing the first week of the 16 weeks course
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In this post, am struggling to understand  that the “+” can be used for more then adding numbers 

it can be used to concatenate  strings 
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Since I didn’t complete the full course during that year because high school semester has started, I came back the next year with more strength.

In this exercice i was implementing Cesar Cipher in C!
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