找到两个阵列之间的最小差异 [英] Find the minimum difference between two arrays

问题描述

由于两个排序阵列，A和B，发现I，J为其中| A [1] - B [J]。|最小。

Given two sorted arrays, A and B, find i,j for which |A[i] - B[j]| is minimum.

推荐答案

由于数组排序，你可以通过它们与2指针（每个阵列）。如果 | A [1 + 1] - B [J]。| ＆LT; | A [1] - B [J + 1] | 然后增加我，否则增加Ĵ。继续，直到你已经达到了其中一个数组的结束。保持最低限度指标的跟踪，当您去。

Since the arrays are sorted, you can pass through them with 2 pointers (one for each array). If |A[i+1] - B[j]| < |A[i] - B[j+1]| then increment i, otherwise increment j. Continue until you've reached the end of one of the arrays. Keep track of the minimal indexes as you go.

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