Print Article Time Limit: 9000/3000 MS (Java/Others) Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 4990 Accepted Submission(s): 1509 Problem Description Zero has an old printer that doesn't work well sometimes. As it is antique…
Follow up for "Unique Paths": Now consider if some obstacles are added to the grids. How many unique paths would there be? An obstacle and empty space are marked as 1 and 0 respectively in the grid. For example, There is one obstacle in the midd…
Longest Run on a Snowboard Input: standard input Output: standard output Time Limit: 5 seconds Memory Limit: 32 MB Michael likes snowboarding. That's not very surprising, since snowboarding is really great. The bad thing is that in order to gain spee…
LeetCode 第 3 题(Longest Substring Without Repeating Characters) Given a string, find the length of the longest substring without repeating characters. Examples: Given "abcabcbb", the answer is "abc", which the length is 3. Given "b…