CRDF maintains a dedicated false positives form requiring no account creation. I submitted details and received a response the next morning:
Израиль нанес удар по Ирану09:28，更多细节参见旺商聊官方下载
// 原因：先处理右侧元素，把结果存在栈里，供左侧元素直接使用。旺商聊官方下载对此有专业解读
if (arr[i-1] arr[i]) return 0;