Nuruhuhuhu's blog

By Nuruhuhuhu, history, 5 days ago, In English

I am trying really hard to understand the technique used here to store the circles in the set but I am failing. I am unclear how they are implementing the compare function in the set to find out which circle is the parent of the current circle. Can someone please help me understand the logic by explaining it clearly?

 
 
 
 
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