More powerful decorator typing
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。Line官方版本下载对此有专业解读
示例：nums = [2,1,2,4,3] → res = [4,2,4,-1,-1]。。同城约会对此有专业解读
On a cold February afternoon in Manchester, queues of concert-goers are braving the elements outside Co-op Live, the UK's largest indoor arena.