In 1992, in a small shop in British Columbia, a sign maker named Blair Gran stared at a wall full of half-finished jobs and felt something click. Sign-making was treated like a commodity — orders in, banners out — but as thousands of signs came through his shop, he couldn’t help but notice the difference between the good ones and the bad ones. He could see that every sign that left his shop was either helping a business get noticed, or letting it disappear in plain sight.
while current_url and current_url not in self.seen_urls:
，详情可参考safew官方版本下载
暴力做法是对每个位置向右扫描找第一个更大值，O(n²)。可抽象为：元素像一排人，身高为数值。当前人「下一个更大」= 他右侧第一个没被挡住的人（比当前矮的都被挡住）。单调栈用 O(n) 维护「右侧候选更大值」：倒序遍历，弹掉 ≤ 当前的，栈顶即答案，再入栈当前值。
The movie this stamp is based on is [MOVIE]. Every visual and textual element of this stamp must be automatically derived from and tailored to this movie — including illustration subjects, kanji, location, year, and country.
Ранее мощные лесные пожары вспыхнули в США. О возгораниях сообщили в штатах Оклахома, Техас, Канзас, Нью-Мексико, Колорадо и Миссури. Распространению огня способствовали сильный ветер и аномально низкая влажность воздуха, уточнили в Национальном межведомственном пожарном центре.