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题目描述 设有n个正整数，将他们连接成一排，组成一个最大的多位整数。如:n=3时，3个整数13,312,343,连成的最大整数为34331213。如:n=4时,4个整数7,13,4,246连接成的最大整数为7424613。 输入描述: 有多组测试样例，每组测试样例包含两行，第一行为一个整数N（N<= 阅读全文
posted @ 2017-09-05 14:45
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Given the coordinates of four points in 2D space, return whether the four points could construct a square. The coordinate (x,y) of a point is represen 阅读全文
posted @ 2017-09-04 15:18
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Given an array of numbers nums, in which exactly two elements appear only once and all the other elements appear exactly twice. Find the two elements 阅读全文
posted @ 2017-09-03 19:49
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Given a non-empty integer array, find the minimum number of moves required to make all array elements equal, where a move is incrementing a selected e 阅读全文
posted @ 2017-09-02 20:13
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Given two integers n and k, you need to construct a list which contains n different positive integers ranging from 1 to n and obeys the following requ 阅读全文
posted @ 2017-09-02 14:38
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Given a string, sort it in decreasing order based on the frequency of characters. Example 1: Example 2: Example 3: 阅读全文
posted @ 2017-09-02 10:28
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A zero-indexed array A consisting of N different integers is given. The array contains all integers in the range [0, N - 1]. Sets S[K] for 0 <= K < N 阅读全文
posted @ 2017-09-02 09:41
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Given an 2D board, count how many battleships are in it. The battleships are represented with 'X's, empty slots are represented with'.'s. You may assu 阅读全文
posted @ 2017-09-01 11:32
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Given a list of positive integers, the adjacent integers will perform the float division. For example, [2,3,4] -> 2 / 3 / 4. However, you can add any 阅读全文
posted @ 2017-09-01 09:52
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