LIKE CODING

Given a set of strings, find the longest string chain. Two strings are chained if      1. both strings belong to the given set     2. the...

problem: robot merge point input: robot: 1 obstacle: X [     0   0   0   M   1     0   1   X   0   0     0   X   0   0   0     0   ...

Question: You are given a binary tree as a sequence of parent-child pairs. For example, the tree represented by the node pairs below: (...

Question: String s1 = "waeginsapnaabangpisebbasepgnccccapisdnfngaabndlrjngeuiogbbegbuoecccc" String s2 = "a+b+c-"; ...

Question: http://www.geeksforgeeks.org/find-a-pair-with-given-sum-in-bst/

317. Shortest Distance from All Buildings Hard 874 56 Add to List Share You want to build a house on an  empty  land which reaches all buil...

======================= Ref [1]  http://www.mitbbs.com/article_t1/JobHunting/32952623_0_1.html Question

Questions : Similar to LeetCode Permutation Sequence [1] except the numbers in nums are not unique. In Test, there are 4 numbers whose per...

  229.   Majority Element II Medium 2201 201 Add to List Share Given an integer array of size  n , find all elements that appear more than  ...

  168.   Excel Sheet Column Title Easy 1398 267 Add to List Share Given a positive integer, return its corresponding column title as appear ...