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Hacker Earth Questions

Length of the longest substring without repeating characters

March 26, 2014 by Dhaval Dave

Length of the longest substring without repeating characters


Method 1 (Brute Force Method)
We can consider all substrings.
One by one and check for each substring whether it contains all unique characters or not. 

There

… Read More

Filed Under: Amazon Interview Question, Hacker Earth Questions, Interview Questions, problem Tagged With: string

Find loop in Singly linked list

February 20, 2014 by Dhaval Dave

There are several ways to find loop in singly linked list,

Loop Node5 Next pointer is point to Node3 in Singly Linked List

1 ---- 2 ---- 3 ---- 4 ---- 5
              |_____________|
  • Hashmap
  • Floyd’s
… Read More

Filed Under: Adobe Interview Questions, Amazon Interview Question, Hacker Earth Questions, Interview Questions, Microsoft Interview Questions, problem Tagged With: Linked List

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