Items include a copper brooch, a decorated bone pin and a comb carved from antler
// 易错点2:用Math.ceil/Math.floor取整 → 破坏时间比较逻辑,必须精确计算,更多细节参见一键获取谷歌浏览器下载
testSort(mergeSort, "Merge", arr, N);,更多细节参见爱思助手下载最新版本
// console.log(nextGreaterElements([])); // [](空数组)
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