Hash Table Chaining in C++.
One of the key challenges in hash table implementation is handling collisions, where two keys hash to the same index. Chaining and Open Addr...
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Program to Find Union of Two Array.
Given two integer arrays, arr1[] and arr2[] , the task is to find the union of the two arrays. The output should contain only distinct elem...
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How To Resolve Collison in Hash Table in C++.
In hash table implementations, collisions occur when two different keys hash to the same index in the array. To handle collisions, various s...
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Program to Count Number of Good Pair.
Given an integer array num of size n, return the count of possible good pairs . A pair of elements is called a good pair if (num[i] == num[j...
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Count number of elements smaller than current number.
Given an array num of size n , for each element of num count the number of elements of the array that are smaller than the current element....
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