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Problem:Given an array of meeting time intervals consisting of start and end times[[s1,e1],[s2,e2],...](si= min_heap.peek()) { min_heap.poll(); ... 阅读全文
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Problem:Given an array of meeting time intervals consisting of start and end times[[s1,e1],[s2,e2],...](si interval_sort = new Comparator() { @Over... 阅读全文
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Problem:A strobogrammatic number is a number that looks the same when rotated 180 degrees (looked at upside down).Find all strobogrammatic numbers tha... 阅读全文
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Problem:There are a row ofnhouses, each house can be painted with one of thekcolors. The cost of painting each house with a certain color is different... 阅读全文
摘要：
Problem:There are a row ofnhouses, each house can be painted with one of the three colors: red, blue or green. The cost of painting each house with a ... 阅读全文