Israel's defense minister says his country has attacked Iran and declares a state of emergency
US approves sale of Nvidia's advanced AI chips to China
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* @param {number[]} nums - 待查找最短无序连续子数组的整数数组
思路：找「右侧第一个 ≤ cur」的元素 → 弹出所有 cur 的元素，栈顶即为折扣。最终价格 = cur - 折扣（有则）或 cur（无则）。
The "Parking Lot" Insight: