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https://pintia.cn/problem-sets/994805342720868352/problems/994805349851185152 In graph theory, an Eulerian path is a path in a graph which visits ever 阅读全文
posted @ 2019-02-05 11:49
_Zlrrr
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import java.util.*; import java.math.*; public class Main{ public static void main(String args[]){ Scanner cin = new Scanner(System.in); BigInteger a, b; //以文件EOF结束 ... 阅读全文
posted @ 2019-02-03 20:47
_Zlrrr
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https://pintia.cn/problem-sets/994805342720868352/problems/994805507225665536 Given a pair of positive integers, for example, 6 and 110, can this equa 阅读全文
posted @ 2019-02-03 20:40
_Zlrrr
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https://pintia.cn/problem-sets/994805342720868352/problems/994805345401028608 For a student taking the online course "Data Structures" on China Univer 阅读全文
posted @ 2019-02-01 13:26
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https://pintia.cn/problem-sets/994805342720868352/problems/994805407749357568 A Binary Search Tree (BST) is recursively defined as a binary tree which 阅读全文
posted @ 2019-02-01 12:37
_Zlrrr
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https://leetcode.com/problems/reorganize-string/ Given a string S, check if the letters can be rearranged so that two characters that are adjacent to 阅读全文
posted @ 2019-01-31 09:50
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https://leetcode.com/problems/minimum-index-sum-of-two-lists/ Suppose Andy and Doris want to choose a restaurant for dinner, and they both have a list 阅读全文
posted @ 2019-01-30 23:57
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https://leetcode.com/problems/top-k-frequent-words/ Given a non-empty list of words, return the k most frequent elements. Your answer should be sorted 阅读全文
posted @ 2019-01-30 23:02
_Zlrrr
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https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix/ Given a n x n matrix where each of the rows and columns are sorted in ascending 阅读全文
posted @ 2019-01-30 20:58
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https://leetcode.com/problems/first-unique-character-in-a-string/ Given a string, find the first non-repeating character in it and return it's index. 阅读全文
posted @ 2019-01-30 20:35
_Zlrrr
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