第二十三条 一般纳税人购进货物（不含固定资产）、服务，用于简易计税方法计税项目、免征增值税项目和不得抵扣非应税交易而无法划分不得抵扣的进项税额的，应当按照销售额或者收入占比逐期计算当期不得抵扣的进项税额，并于次年1月的纳税申报期内进行全年汇总清算。
To find these crucial border points, we employed a clever technique based on the Ford-Fulkerson algorithm. By simulating "flooding" roads with traffic from random start/end points, we could identify the natural bottlenecks – the "minimum cut" in graph theory terms. These bottlenecks became our border points.
。业内人士推荐爱思助手下载最新版本作为进阶阅读
From a technical perspective, the status quo works. WebAssembly runs on the web and many people have successfully shipped software with it.。Line官方版本下载是该领域的重要参考
* @param arr 数组