Therefore, 12 is placed at 2nd index in the hash table.įor key 18, h(18) is 18%10 = 8.
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The keys 12, 18, 13, 2, 3, 23, 5 and 15 are inserted into an initially empty hash table of length 10 using open addressing with hash function h(k) = k mod 10 and linear probing. In linear probing technique, collision is resolved by searching linearly in the hash table until an empty location is found. Type 2: Insertion of keys into hash table using linear probing as collision resolution technique – Therefore, statement (i) and (ii) are correct which match with option (C). Solutions: Using given hash function h(x) = x mod 10Īs we can see, 9679, 19 hash to same value 9. In this type of questions, hash values are computed by applying given hash function on given keys. Type 1: Calculation of hash values for given keys – These are the types of questions asked in hashing.
The complexity of insertion, deletion and searching using chaining method is (1+α). The complexity of insertion, deletion and searching using open addressing is 1/(1-α). For open addressing, load factor α is always less than one. Load factor α in hash table can be defined as number of slots in hash table to number of keys to be inserted. Hash function is designed to distribute keys uniformly over the hash table. The purpose of hashing is to achieve search, insert and delete an element in complexity O(1). Before understanding this, you should have idea about hashing, hash function, open addressing and chaining techniques (see: Introduction, Separate chaining, Open addressing). In this article, we will discuss the types of questions based on hashing. Check if removing an edge can divide a Binary Tree in two halves. Check if two nodes are cousins in a Binary Tree | Set-2. Check if two nodes are cousins in a Binary Tree. Check sum of Covered and Uncovered nodes of Binary Tree. Check if a given Binary Tree is SumTree. Implementing our Own Hash Table with Separate Chaining in Java. Differences between HashMap and HashTable in Java. Differences between TreeMap, HashMap and LinkedHashMap in Java. Comparator Interface in Java with Examples. Collections.sort() in Java with Examples. Using underscore in Numeric Literals in Java. Currying Functions in Java with Examples. Using _ (underscore) as Variable Name in Java. ISRO CS Syllabus for Scientist/Engineer Exam. ISRO CS Original Papers and Official Keys. GATE CS Original Papers and Official Keys.
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