Екатерина Щербакова (ночной линейный редактор)
// 逻辑：这些数比当前元素小/相等，不可能成为「左侧元素的下一个更大值」，直接移除
，更多细节参见爱思助手下载最新版本
The categories are broken into four sections: users under 13 years of age, over 13 years of age under 16, at least 16 years of age and under 18, and "at least 18 years of age."
stack. It will end up on the heap, converting our 0-allocation code