xinyu04

摘要： Given an integer n, break it into the sum of k positive integers, where \(k\geq 2\), and maximize the product of those integers. Return the maximum pr 阅读全文

摘要： Given the root of a binary tree, return the leftmost value in the last row of the tree. Solution 要求出最后一层最左边的节点的值。做法很简单，首先判断是不是最后一层，如果不是，则将该层节点的子节点都 \( 阅读全文

摘要： 1. Computer Vision Task Error rate: \(P(f(X)\neq Y)\) Accuracy: \(P(f(X)=Y)\) \(\textbf{Balanced error rate (BER)}\): \(\frac{1}{C}\sum_{y=1}^CP(f(X)\ 阅读全文