dev/democards/problems/problems/1486.xor-operation-in-an-array.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "source": [
    "Given an integer `n` and an integer `start`.\n",
    "\n",
    "Define an array `nums` where `nums[i] = start + 2*i` (0-indexed) and `n ==\n",
    "nums.length`.\n",
    "\n",
    "Return the bitwise XOR of all elements of `nums`.\n",
    "\n",
    "\n",
    "\n",
    "**Example 1:**\n",
    "\n",
    "\n",
    "\n",
    "    Input: n = 5, start = 0\n",
    "    Output: 8\n",
    "    Explanation: Array nums is equal to [0, 2, 4, 6, 8] where (0 ^ 2 ^ 4 ^ 6 ^ 8) = 8.\n",
    "    Where \"^\" corresponds to bitwise XOR operator.\n",
    "\n",
    "\n",
    "**Example 2:**\n",
    "\n",
    "\n",
    "\n",
    "    Input: n = 4, start = 3\n",
    "    Output: 8\n",
    "    Explanation: Array nums is equal to [3, 5, 7, 9] where (3 ^ 5 ^ 7 ^ 9) = 8.\n",
    "\n",
    "**Example 3:**\n",
    "\n",
    "\n",
    "\n",
    "    Input: n = 1, start = 7\n",
    "    Output: 7\n",
    "\n",
    "\n",
    "**Example 4:**\n",
    "\n",
    "\n",
    "\n",
    "    Input: n = 10, start = 5\n",
    "    Output: 2\n",
    "\n",
    "\n",
    "\n",
    "\n",
    "**Constraints:**\n",
    "\n",
    "  * `1 <= n <= 1000`\n",
    "  * `0 <= start <= 1000`\n",
    "  * `n == nums.length`"
   ],
   "metadata": {}
  },
  {
   "outputs": [
    {
     "output_type": "execute_result",
     "data": {
      "text/plain": "xor_operation (generic function with 1 method)"
     },
     "metadata": {},
     "execution_count": 1
    }
   ],
   "cell_type": "code",
   "source": [
    "# @lc code=start\n",
    "using LeetCode\n",
    "\n",
    "function xor_operation(n::Int, start::Int)\n",
    "    res = 0\n",
    "    for _ in 1:n\n",
    "        res ⊻= start\n",
    "        start += 2\n",
    "    end\n",
    "    return res\n",
    "end\n",
    "# @lc code=end"
   ],
   "metadata": {},
   "execution_count": 1
  },
  {
   "cell_type": "markdown",
   "source": [
    "---\n",
    "\n",
    "*This notebook was generated using [Literate.jl](https://github.com/fredrikekre/Literate.jl).*"
   ],
   "metadata": {}
  }
 ],
 "nbformat_minor": 3,
 "metadata": {
  "language_info": {
   "file_extension": ".jl",
   "mimetype": "application/julia",
   "name": "julia",
   "version": "1.10.1"
  },
  "kernelspec": {
   "name": "julia-1.10",
   "display_name": "Julia 1.10.1",
   "language": "julia"
  }
 },
 "nbformat": 4
}