Given an array arr of n elements and a integer k. Your task is to return the position of first occurence of k in the given array and if element k is not ...

Feb 20, 2023 · Given an array of integers. All numbers occur twice except one number which occurs once. Find the number in O(n) time & constant extra space.

Apr 1, 2024 · Searching algorithms are essential tools in computer science used to locate specific items within a collection of data.

Apr 13, 2024 · One number from set {1, 2, …n} is missing and one number occurs twice in the array. Find these two numbers. Examples: Input: arr[] = {3, 1, 3}

6 days ago · Given an array arr of n elements that is first strictly increasing and then maybe strictly decreasing, find the maximum element in the array ...

6 days ago · Given an array arr[] of size N-1 with integers in the range of [1, N], the task is to find the missing number from the first N integers. Note: ...

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Minimum number of jumps · Kth smallest element · N-Queen Problem