摘要： Given an integer array with no duplicates. A max tree building on this array is defined as follow: The root is the maximum number in the array The lef 阅读全文

摘要： In data structure Hash, hash function is used to convert a string(or any other type) into an integer smaller than hash size and bigger or equal to zer 阅读全文

摘要： Given a 2D binary matrix filled with 0's and 1's, find the largest square containing all 1's and return its area. For example, given the following mat 阅读全文