卖程序的小歪

摘要： Given 2 n + 2 numbers, every numbers occurs twice except two, find them. Have you met this question in a real interview? Yes Example Given [1,2,2,3,4... 阅读全文

摘要： Given string A representative a positive integer which has N digits, remove any k digits of the number, the remaining digits are arranged according t... 阅读全文

摘要： Given a (decimal e.g. 3.72) number that is passed in as a string, return the binary representation that is passed in as a string. If the fractional p... 阅读全文

摘要： Calculate the an % b where a, b and n are all 32bit integers. Have you met this question in a real interview? Yes Example For 231 % 3 = 2 For 1001000... 阅读全文

摘要： Given two 32 bit numbers, N and M, and two bit positions, i and j. Write a method to set all bits between i and j in N equal to M (e g , M becomes a ... 阅读全文

摘要： Determine the number of bits required to flip if you want to convert integer n to integer m. Have you met this question in a real interview? Yes Exam... 阅读全文

摘要： Given n pieces of wood with length L[i] (integer array). Cut them into small pieces to guarantee you could have equal or more than k pieces with the ... 阅读全文

摘要： Implement int sqrt(int x). Compute and return the square root of x. Have you met this question in a real interview? Yes Example sqrt(3) = 1 sqrt(4) =... 阅读全文

摘要： For a given sorted array (ascending order) and a target number, find the first index of this number in O(log n) time complexity. If the target number... 阅读全文

摘要： Given an integer array, find a subarray with sum closest to zero. Return the indexes of the first number and last number. Have you met this question ... 阅读全文