原创 尋找字典中變位詞
問題 Given a dictionary of English words, return the set of all words grouped into subsets of words that all anagrams of
2020-02-25 22:17:39
原创 如何使用堆棧實現隊列
Problem How to use two stacks to implement a queue Solution It is simple, just serialize two stacks #include <iostrea
2020-02-25 22:17:39
原创 翻轉字符串
Problem Check if a string is a rotation of another. For example: Hello and loHel are a rotation pair. Tony and Julia ar
2020-02-25 22:17:39
原创 Find pairs equal zero -- Paypal
Problem Given 2 equal-length arrays of integers, find pairs, one from each array, that sum to 0. -- note that one wri
2018-09-01 11:46:44
2
原创 計算兩個字符串鏈表中的共同數據項，需要考慮重複選項的情況
Problem /* // Given two lists of strings build a new list that has all strings that appear in both the original lists.
2018-09-01 11:46:44
2
原创 Print an array in spiral order -- Microsoft
Problem Given an mxn matrix, design a function that will print out the contents of the matrix in spiral format. Spir
2018-09-01 11:46:43
2
原创 Compute the maximum of two integers without if-else
using System; namespace JamesChen { class Program { static int MaximumWithoutIf(int a, int b)
2018-09-01 11:46:43
2
原创 Swap kth element from the beginning and kth element from the end of linked list -- Amazon
轉載自：https://sites.google.com/site/spaceofjameschen/home Problem Swap kth element from the beginning and kth element fr
2018-09-01 11:46:43
1
原创 Print the numbers of form 2^i.5^j in increasing order -- Google
Problem Print the numbers of form 2^i.5^j in increasing order. For eg: 1, 2, 4, 5, 8, 10, 16, 20 Solution usi
2018-09-01 11:46:43
原创 Find the maximum contiguous subsequence product -- InMobi
Problem Suppose you have an array of +ve numbers, -ve numbers and zeroes. Devise an algorithm to find the maximum conti
2018-09-01 11:46:43
1
原创 查找數組中的缺失的2個數字
Problem Two numbers are missing from the first hundred numbers. They are NOT sorted. How to find them? You can't sort.
2018-09-01 11:46:40
原创 Detect whether two rectangles have common area or not -- Amazon
Problem Write a function to check if two rectangles defined as below, have common area or not. The functions take
2018-09-01 11:46:40
原创 將矩陣中含零的行和列置零
Problem If an element in an MxN matrix is 0, set its entire row and column to 0 Solution public class ZeroRowAndCol{
2018-09-01 11:46:40
1
原创 字符串中的字符是否都是唯一的，未重複的
Problem Determine if a string has all unique characters. Solution public class UniqueCharInString{ public static vo
2018-09-01 11:46:40
原创 內存分配中的對齊操作
Problem Memory operation with alignment Solution #include <iostream> using namespace std; int aligned_malloc(void
2018-09-01 11:46:40
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