12 2015 档案
摘要：题目：Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum...
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摘要：问题：Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array[−2,1,−3,4,−1,2...
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摘要：题目：Given a list of non negative integers, arrange them such that they form the largest number.For example, given[3, 30, 34, 5, 9], the largest formed ...
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摘要：题目：Given an array and a value, remove all instances of that value in place and return the new length.The order of elements can be changed. It doesn't ...
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摘要：题目：Given an array ofnintegers wheren> 1,nums, return an arrayoutputsuch thatoutput[i]is equal to the product of all the elements ofnumsexceptnums[i].S...
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摘要：题目：Given an array of sizen, find the majority element. The majority element is the element that appears more than⌊ n/2 ⌋times.You may assume that the ...
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摘要：题目：Write an algorithm to determine if a number is "happy".A happy number is a number defined by the following process: Starting with any positive inte...
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摘要：题目：Given an arraynums, write a function to move all0's to the end of it while maintaining the relative order of the non-zero elements.For example, giv...
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摘要：题目：Given an array of integers, every element appearstwiceexcept for one. Find that single one.Note:Your algorithm should have a linear runtime complex...
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摘要：题目：Given a non-negative integernum, repeatedly add all its digits until the result has only one digit.For example:Givennum = 38, the process is like:3...
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