The code is returning -1 for all the cases and i cannot find my error acc to logic

#1
#2

hey @S19LPPP0192, you have made temp1 and temp2 as NULL after calculating count1 and count2, thatswhy while(temp1!=NULL && temp2!=NULL) is not working. Also make count1=count2=0 initially.
Here is your updated code with changes indicated as comments

#3

Okay. Thankyou.!
It is running fine now.

#4

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