int sharedp(void*d) {
代码要点：倒序遍历，先算右侧再推左侧；栈内维护「右侧候选更大值」，单调递增（栈顶最小）。
，更多细节参见搜狗输入法2026
"Before that, in much of Europe, you could love as many people as you like, and love was fluid, and it was often not about sex."
"It's actually very hard to point to another moment in the last 25 years where you have the combination we see today," said Jed Kolko, senior fellow at the Peterson Institute for International Economics.