Qatar GP — April 12
需要索引（如算距离、下标）：栈存索引，用 nums[stack.at(-1)] 取值比较。
。Line官方版本下载是该领域的重要参考
// Synchronous transforms。业内人士推荐同城约会作为进阶阅读
Pakistan bombed Afghanistan’s capital of Kabul and two other provinces on Friday, hours after a cross-border attack, the latest escalation of deadly violence between the volatile neighbours who signed a Qatar-mediated ceasefire in 2025.