Regarding approach

[gargshivam2001 (Shivam Garg)]

sir, using

while(fast->next!=NULL&&fast->next->next!=NULL)

is making two testcase fail but using

while(fast!=NULL&&fast->next!=NULL)

all testcases are passing. why???

Can you please give the testcases for the same

[aman212yadav (Aman Yadav)]

hello @gargshivam2001

@gargshivam2001

while(fast->next!=NULL&&fast->next->next!=NULL)

if fast will be NULL , this while condition will raise segmentation fault.

u need to make sure that fast is not NULL

[aman212yadav (Aman Yadav)]

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