[LeetCode] Single Number
Given an array of integers, every element appears twice except for one. Find that single one. Note: ...
原文：leetcode 1342. Number of Steps to Reduce a Number to Zero
Given a non negative integernum, return the number of steps to reduce it to zero. If the current number is even, you have to divide it by , otherwise, you have to subtract from it. Example : Example : ...
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