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Given a linked list, remove the n-th node from the end of list and return its head. Example: Note: Given n will always be valid. Follow up: Could you 阅读全文
posted @ 2019-04-05 17:04
程序媛詹妮弗
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Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. For example, two is written as II in Roman numeral, just two one's 阅读全文
posted @ 2019-04-05 16:16
程序媛詹妮弗
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摘要：
Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. For example, two is written as II in Roman numeral, just two one's 阅读全文
posted @ 2019-04-05 15:11
程序媛詹妮弗
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Given an array nums of n integers and an integer target, find three integers in nums such that the sum is closest to target. Return the sum of the thr 阅读全文
posted @ 2019-04-05 04:41
程序媛詹妮弗
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Given n non-negative integers a1, a2, ..., an , where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endp 阅读全文
posted @ 2019-04-05 02:18
程序媛詹妮弗
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