It is "probably the most dangerous time for adult Emperor penguins because they haven't got their waterproof suits on," he says. If they go into water, they are likely to die.
优势：时间复杂度O(n+k)，k为数据范围
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변요한·티파니 부부됐다…“오늘 혼인신고, 결혼식은 추후에”
"We're basically turning history into habitat, and as far as we know, no-one has attempted anything quite like this before."