摘要：首先我们要知道nll_loss是怎么算的，看下面的代码 label1 = torch.tensor([0, 3]) pred1 = torch.tensor([ [0.2, 0.7, 0.8, 0.1], [0.1, 0.3, 0.5, 0.7] ]) loss = F.nll_loss(pred1 阅读全文

摘要：以leetcode 1081题为例，https://leetcode.cn/problems/number-of-orders-in-the-backlog/ class Solution { public: int getNumberOfBacklogOrders(vector<vector<in 阅读全文