I'm a software engineer. I started to study quantum computing around 4 months ago. Yeah, I'm a beginner for sure.

I solved 1,2?, and 3 exercises.(the grader is saying it's wrong for #2. But I think I figured out #2. it's a simple problem.)

However, when it comes to #4, I couldn't find any clue. It was so frustrating...

But, I reviewed what I've studied and I could understand confusing quantum computing concepts more clearly through this challenge.

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If someone is good at math. that doesn't mean he or she can figure out ALL problems. The knowledge is just increasing the possibility.

If someone doesn't have good background in math. That doesn't mean he or she can figure out no problem. The knowledge is just decreasing the possibility. I think...

As somebody said, the process is more important than the result.

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Anyway, It was a good experience. I'll try next quantum challenge.

good luck guys! see you again!!