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Frogger
Frogger Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 48662 Accepted: 15490 Description Freddy Frog is sitting on a stone in the middle o ...
分类:其他好文   时间:2017-08-26 15:58:00    阅读次数:217
POJ 2253 Frogger(Dijkstra变形——最短路径最小权值)
题目链接: http://poj.org/problem?id=2253 Description Freddy Frog is sitting on a stone in the middle of a lake. Suddenly he notices Fiona Frog who is sitt ...
分类:其他好文   时间:2017-08-21 20:37:24    阅读次数:244
366. Find Leaves of Binary Tree
https://leetcode.com/problems/find-leaves-of-binary-tree/description/ Given a binary tree, collect a tree's nodes as if you were doing this: Collect a ...
分类:其他好文   时间:2017-08-16 18:19:37    阅读次数:131
vijos 1002 过河
https://www.vijos.org/p/1002 分析:很容易想到f[i]=min(f[i],f[i-j]+is_stone[i])的递推式,但L高达10^9,很明显会TLE,我们发现m<= 100,在长达1到10^9的线段里就只有100个点这是多么的稀疏,我们看看有什么方法压缩一下,引用: ...
分类:其他好文   时间:2017-08-15 14:22:16    阅读次数:123
Codeforces 496C - Removing Columns
496C - Removing Columns 思路:暴力,用vis标记数组实时记录一下之前的行i+1和上一行i否全相等,false表示全相等。 代码: ...
分类:其他好文   时间:2017-08-13 17:39:40    阅读次数:165
Python的第1天
接触Python的第一天,数据类型、语法方式、判断、循环 整体上是比较简洁 感谢老男孩的视频教程 写一个简单的判断 Login.py import getpassusername="stone"password="112233" for i in range(3): _username=input( ...
分类:编程语言   时间:2017-08-11 20:33:37    阅读次数:153
压缩解压打包工具基础
compress压缩解压工具 gzip压缩解压工具 bzip2压缩解压工具 xz压缩解压工具 zip压缩打包工具 tar打包工具 split文件分割 cpio打包压缩 ...
分类:其他好文   时间:2017-08-10 19:23:59    阅读次数:248
Forgger
2017-08-08 Freddy Frog is sitting on a stone in the middle of a lake. Suddenly he notices Fiona Frog who is sitting on another stone. He plans to visi ...
分类:其他好文   时间:2017-08-08 21:40:31    阅读次数:225
E - Frogger
Freddy Frog is sitting on a stone in the middle of a lake. Suddenly he notices Fiona Frog who is sitting on another stone. He plans to visit her, but ...
分类:其他好文   时间:2017-08-08 09:28:12    阅读次数:189
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