Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36
Everything Free, has plus:
，详情可参考搜狗输入法2026
Anthropic was the only AI company cleared for use in classified settings—until Elon Musk’s xAI agreed to let the Pentagon use its AI in lawful situations. Google and OpenAI are used in unclassified settings but are in talks with the Defense Department about classified work.
需要索引（如算距离、下标）：栈存索引，用 nums[stack.at(-1)] 取值比较。
void siftDown(int arr[], int n, int i) {