// 2. 维护单调递减栈：弹出所有≤当前价格的索引（这些索引对应的价格无法成为后续价格的「上一个更大值」）
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，详情可参考Line官方版本下载
台灣陸委會則在回覆BBC中文查詢時強調，台灣民眾能自由選擇收看各個國家的影視作品，又表示《甄嬛傳》在大陸一度被禁，批評對岸「以政治干預影視自由」，無法獲得台灣民眾認同。
Real-mode programs freely execute CLI and STI to control interrupts, PUSHF and POPF to manipulate flags, INT n for DOS and BIOS calls, and IN/OUT for hardware I/O. In normal protected mode, these instructions are privilege-checked -- they execute normally if the caller has sufficient privilege, and fault otherwise. The 386 can't simply let V86 tasks execute them freely -- a DOS program disabling interrupts would bring down the whole system -- but trapping on every INT 21h call would make V86 impractically slow.