for (let i = n - 1; i = 0; i--) {
// ⚠️ 易错点6：循环条件写成nums[left-1] = minVal（相等元素无需纳入无序区间）
。91视频对此有专业解读
The Moon is looking big and bright in the sky tonight, and we're not far away from the Full Moon. With so much of its surface illuminated, there will be plenty for you to spot tonight, so keep reading to find out what you can see.
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