Russian

有五种种类的垃圾，数量分别为 \(a_1, a_2, a_3, a_4, a_5\) 。 第一种为纸质垃圾 第二种为塑料垃圾 第三种双非垃圾 第四种基本纸质垃圾 第五种基本塑料垃圾 有三种垃圾桶，容量分别为 \(c_1, c_2, c_3\) 。 第一种垃圾桶可以放入：纸质垃圾和基本纸质垃圾 第二种 ......

You are given a 2D array of integers `envelopes` where `envelopes[i] = [wi, hi]` represents the width and the height of an envelope. One envelope can ......

Description 354. Russian Doll Envelopes (Hard) You are given a 2D array of integers envelopes where envelopes[i] = [wi, hi] represents the width and t ......