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。
Last weekend GM Matthew Wadsworth emerged first on tie-break ahead of IM Tobias Koelle (Germany) and GM Matthew Turner (Scotland) after the trio all scored 7/9. Wadsworth also won in 2025.
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Mr Fingleton added: "Motorways wouldn't be very useful if we all drove at five miles (8km) an hour, but that's sort of what we're doing in nuclear safety."，详情可参考im钱包官方下载