The n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two queens attack each other. Given an integer n, return all ...
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编程语言 时间:
2019-07-16 12:22:18
阅读次数:
120
"Add Two Numbers" Example: Code // // main.cpp // 两个数字的加法操作 // // Created by mac on 2019/7/14. // Copyright ? 2019 mac. All rights reserved. // includ ...
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其他好文 时间:
2019-07-16 00:26:59
阅读次数:
78
链接: https://vjudge.net/problem/POJ 1523 author=0 题意: Consider the two networks shown below. Assuming that data moves around these networks only betwee ...
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其他好文 时间:
2019-07-15 13:27:29
阅读次数:
97
Given a non-negative integer numRows, generate the first numRows of Pascal's triangle. In Pascal's triangle, each number is the sum of the two numbers ...
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其他好文 时间:
2019-07-14 23:51:04
阅读次数:
162
LeetCode01 两数之和(Java 实现) 来源:力扣(LeetCode) 链接:https://leetcode cn.com/problems/two sum 题目描述 给定一个整数数组 nums 和一个目标值 target,请你在该数组中找出和为目标值的那 两个 整数,并返回他们的数组下 ...
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编程语言 时间:
2019-07-14 19:35:08
阅读次数:
98
题目连接:https://leetcode-cn.com/problems/two-sum/ 题目大意: 找出两个数,相加等于给定的值。 AC代码: 方法二: ...
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其他好文 时间:
2019-07-13 20:04:05
阅读次数:
100
Problem describe:https://leetcode.com/problems/two-sum/ Given an array of integers, return indices of the two numbers such that they add up to a speci ...
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编程语言 时间:
2019-07-13 19:56:32
阅读次数:
107
Given a rooted tree ( the root is node 11 ) of NN nodes. Initially, each node has zero point. Then, you need to handle QQ operations. There're two typ ...
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编程语言 时间:
2019-07-13 13:23:45
阅读次数:
140
神奇的思路,还是要学习一个。 题意:给你一个字符串,并定义两个前缀的lcs、两个后缀的lcp,求式子膜$2^{64}$的值。 $$ \sum_{1\le i$,咱将它们的lcs、lcp拼起来,可知 $$ s[i lcs(i,j)+1,i+lcp(i,j) 1]=s[j lcs(i,j)+1,j+lc ...
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其他好文 时间:
2019-07-13 10:46:13
阅读次数:
97
We have a list of points on the plane. Find the K closest points to the origin (0, 0). (Here, the distance between two points on a plane is the Euclid ...
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其他好文 时间:
2019-07-13 09:30:20
阅读次数:
124