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Q. Write an algorithm that counts number of nodes in a linked list.
Ans.
Algorithm to Count No. of Nodes in Linked List
COUNT (INFO, LINK, START, NUM)
1. Set NUM: = 0 [initializes counter]
2. Set PTR=START [ initializes pointer]
3. Repeat steps 4 & 5 while PTR! = NULL
4. Set NUM:= NUM + 1 [ increases NUM by 1]
5. Set PTR: =LINK [PTR] . [updates pointer to point to next node]
[End of step 3 loop]
6. Return
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