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原题链接在这里:https://leetcode.com/problems/range-sum-query-2d-immutable/ 题目: Given a 2D matrix matrix, find the sum of the elements inside the rectangle de 阅读全文
posted @ 2015-11-13 10:00
Dylan_Java_NYC
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原题链接在这里:https://leetcode.com/problems/range-sum-query-immutable/ 题目: Given an integer array nums, find the sum of the elements between indices i and j 阅读全文
posted @ 2015-11-13 09:32
Dylan_Java_NYC
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原题链接在这里:https://leetcode.com/problems/remove-invalid-parentheses/ 题目: Remove the minimum number of invalid parentheses in order to make the input stri 阅读全文
posted @ 2015-11-13 09:15
Dylan_Java_NYC
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