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http://codeforces.com/contest/1077/problem/D You are given an array ss consisting of nn integers. You have to find any array tt of length kk such that 阅读全文
posted @ 2018-12-06 20:33
_Zlrrr
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https://leetcode.com/problems/invert-binary-tree/ Invert a binary tree. Example: Input: Output: Trivia:This problem was inspired by this original twee 阅读全文
posted @ 2018-12-05 23:29
_Zlrrr
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https://zufeoj.com/contest.php?cid=1483 问题 A: A 代码： #include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 10; int n; int num[maxn]; map 阅读全文
posted @ 2018-12-05 22:53
_Zlrrr
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https://leetcode.com/problems/same-tree/ Given two binary trees, write a function to check if they are the same or not. Two binary trees are considere 阅读全文
posted @ 2018-12-05 19:51
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https://leetcode.com/problems/zigzag-conversion/ The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you 阅读全文
posted @ 2018-12-05 13:58
_Zlrrr
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https://pintia.cn/problem-sets/994805260223102976/problems/994805260583813120 外观数列是指具有以下特点的整数序列： 它从不等于 1 的数字 d 开始，序列的第 n+1 项是对第 n 项的描述。比如第 2 项表示第 1 项有 阅读全文
posted @ 2018-12-04 22:34
_Zlrrr
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https://leetcode.com/problems/count-and-say/ The count-and-say sequence is the sequence of integers with the first five terms as following: 1 is read 阅读全文
posted @ 2018-12-04 22:32
_Zlrrr
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https://leetcode.com/problems/generate-parentheses/ Given n pairs of parentheses, write a function to generate all combinations of well-formed parenth 阅读全文
posted @ 2018-12-04 22:26
_Zlrrr
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https://leetcode.com/problems/first-missing-positive/ Given an unsorted integer array, find the smallest missing positive integer. Example 1: Example 阅读全文
posted @ 2018-12-04 22:05
_Zlrrr
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https://leetcode.com/problems/combination-sum-ii/ Given a collection of candidate numbers (candidates) and a target number (target), find all unique c 阅读全文
posted @ 2018-12-04 21:52
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