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Description: Given a set of n nuts of different sizes and n bolts of different sizes. There is a one one mapping between nuts and bolts. Comparison o... 阅读全文
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Description: Given a sequence of integers, find the longest increasing subsequence (LIS). You code should return the length of the LIS. Example For... 阅读全文
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Description: Given an array of integers and a number k, the majority number is the number that occurs more than 1/k of the size of the array. Find i... 阅读全文
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Description: Given an array of integers and a number k, the majority number is the number that occurs more than 1/k of the size of the array. Find i... 阅读全文
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Description: There is an integer matrix which has the following features: The numbers in adjacent positions are different. The matrix has n rows and... 阅读全文
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Description: Validate if a given string is numeric. Example "0" = true " 0.1 " = true "abc" = false "1 a" = false "2e10" = true Solution: class... 阅读全文
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Description: Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in t... 阅读全文
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Description: Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 st... 阅读全文
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Description: A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null. ... 阅读全文
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Description: Given an integer array, find a continuous rotate subarray where the sum of numbers is the biggest. Your code should return the index of ... 阅读全文