First, I thought it was an array, and I thought I needed to make another array and pass the result of the two equations through a for loop in the new array, but I found it always returned 1.

Then I searched and found that std::pair is a class template in C++ that provides a way to store two heterogeneous objects as a single unit. I had to watch a 21-minute mathematical video to learn about the equation: reflection with respect to the origin point.

For me, it is 10/10 for all the knowledge you have to have to solve it.

Lua translation !

difficult to understand for English users too haha

approved

Rust translate

This might shed you some light

Approved

Approved

Yes you are indeed modifying the input, read this for more info

Short n clear!

I did the same but line 2 and 3 can be only one line
And on my conditional block I'm checking if there is a space before the word

You made a mistake here by going "left to right"

Use if (this.charAt(i-1) == " ") and x += this[i].toUpperCase(); instead

Python tests include pop corn -> cop porn... Revise that porn please?

Scala translation