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In a 2 dimensional array grid, each value grid[i][j] represents the height of a building located there. We are allowed to increase the height of any n 阅读全文
posted @ 2018-09-25 16:52
bernieloveslife
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You're given strings J representing the types of stones that are jewels, and S representing the stones you have. Each character in S is a type of ston 阅读全文
posted @ 2018-09-25 16:39
bernieloveslife
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Determine whether an integer is a palindrome. An integer is a palindrome when it reads the same backward as forward. Example 1: Example 2: Example 3: 阅读全文
posted @ 2018-09-25 16:28
bernieloveslife
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Given a 32 bit signed integer, reverse digits of an integer. Note: Assume we are dealing with an environment which could only store integers within th 阅读全文
posted @ 2018-09-25 16:10
bernieloveslife
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You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order and each of their nodes contai 阅读全文
posted @ 2018-09-25 15:41
bernieloveslife
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