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Given a 2D matrix matrix, find the sum of the elements inside the rectangle defined by its upper left corner (row1, col1) and lower right corner (row2 阅读全文
posted @ 2019-10-17 12:42
Schwifty
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Given an integer array nums, find the sum of the elements between indices i and j (i ≤ j), inclusive. Example: Given nums = [-2, 0, 3, -5, 2, -1] sumR 阅读全文
posted @ 2019-10-17 11:34
Schwifty
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The thief has found himself a new place for his thievery again. There is only one entrance to this area, called the "root." Besides the root, each hou 阅读全文
posted @ 2019-10-17 10:25
Schwifty
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You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed. All houses at this place are ar 阅读全文
posted @ 2019-10-17 09:19
Schwifty
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The demons had captured the princess (P) and imprisoned her in the bottom-right corner of a dungeon. The dungeon consists of M x N rooms laid out in a 阅读全文
posted @ 2019-10-17 01:56
Schwifty
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Given an input string (s) and a pattern (p), implement wildcard pattern matching with support for '?' and '*'. '?' Matches any single character. '*' M 阅读全文
posted @ 2019-10-17 00:40
Schwifty
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