Remove of the loop in the linked list

#1

I didn’t get it how to remove the cycle can u explain little bit?

#2

Although I get the intuition of how to find out the first elements of the loop but didn’t get the mathematical proof part of the Algorihtms ?

#3


in this method 3 can explain u best with mathematical proof

#4
#5

while (slow_p && fast_p && fast_p->next) what is the meaning of this line of code while True is should also works ??

#6

this actually when expanded would look like

while(slow_p != NULL and fast_p != NULL and fast_p->next != NULL) {}
so till the time either of the three pointer do not become NULL till that time while loop will run

#7

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