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摘要： 请实现一个函数，将一个字符串中的每个空格替换成“%20”。例如，当字符串为We Are Happy.则经过替换之后的字符串为We%20Are%20Happy。 https://www.nowcoder.com/questionTerminal/4060ac7e3e404ad1a894ef3e1765 阅读全文

摘要： Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties: Integers in each row are sorted i 阅读全文

摘要： Given an array of integers, 1 ≤ a[i] ≤ n (n = size of array), some elements appear twice and others appear once. Find all the elements that appear twi 阅读全文

摘要： There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the two sorted arrays. The overall run time complexity sh 阅读全文

摘要： Given a string, find the length of the longest substring without repeating characters. Example 1: Input: "abcabcbb" Output: 3 Explanation: The answer 阅读全文

摘要： Milking TimeTime Limit:1000MSMemory Limit:65536KTotal Submissions:6599Accepted:2764DescriptionBessie is such a hard-working cow. In fact, she is so fo... 阅读全文

摘要： C. Harmony Analysistime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThe semester is already endin... 阅读全文

摘要： Apple CatchingTime Limit:1000MSMemory Limit:65536KTotal Submissions:9856Accepted:4786DescriptionIt is a little known fact that cows love apples. Farme... 阅读全文

摘要： SumsetsTime Limit:2000MSMemory Limit:200000KTotal Submissions:15105Accepted:6017DescriptionFarmer John commanded his cows to search for different sets... 阅读全文

摘要： 3231 - Fair ShareAsia - Seoul - 2004/2005You are given N processors and M jobs to be processed. Two processors are specified to each job. To processth... 阅读全文