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搜索关键字:chemical    ( 46个结果
化合物
嵌套前提知识:化学键,混合物,有机化合物,无机化合物化合物,Chemical compound 是由兩種以上的元素以固定的莫耳比通过化學鍵结合在一起的化學物質[1]。化合物可以由化學反應分解為更簡單的化學物質[2]。像甲烷(CH4)、葡萄糖(C6H12O6)、硫酸鉛(PbSO4)及二氧化碳(CO2)...
分类:其他好文   时间:2015-08-08 13:21:09    阅读次数:165
UVA 1572 Self-Assembly
以颜色为节点,同一个方块上的颜色连边。。。看是不是有环。。。 Self-Assembly Problem ID: assemblyTime limit: 5 secondsMemory limit: 1024 MB DIFFICULTY 3.7 My Submissions Automatic Chemical Manufac...
分类:其他好文   时间:2015-07-30 23:24:11    阅读次数:164
POJ-1862-Stripies(贪心4)
Description Our chemical biologists have invented a new very useful form of life called stripies (in fact, they were first called in Russian - polosat...
分类:其他好文   时间:2015-07-11 11:49:00    阅读次数:80
Molecule to atoms
For a given chemical formula represented by a string, count the number of atoms of each element contained in the molecule and return an object. 1 wate...
分类:其他好文   时间:2015-07-10 00:11:30    阅读次数:152
UVA 10604--Chemical Reaction+记忆化搜索
题目链接:点击进入 开始看到m和k都很小,就直接暴力了一发,结果T了.后面看到m只有6那么大,k又小于10,就觉得可以用记忆化搜索,状态我们就定为dp[n1][n2][n3][n4][n5][n6],表示n1–n6六种化学试剂的量,状态转移就时选两份试剂进行混合.代码如下:#include #include #include using nam...
分类:其他好文   时间:2015-06-19 16:47:19    阅读次数:116
分子量(Molar Counting, ACM/ICPC Seoul 2007, UVa1586)
An organic compound is any member of a large class of chemical compounds whose molecules contain carbon. The molar mass of an organic compound is the mass of one mole of the organic compound. The molar...
分类:其他好文   时间:2015-06-19 10:39:58    阅读次数:145
【建图+拓扑判环】BZOJ3953: [WF2013]Self-Assembly
Description自动化学制造(Automatic Chemical Manufacturing,简称ACM)正在对一个叫自组装(self-assembly)的过程进行实验。在这个过程中,有着天然相互吸引力的分子被混合在溶液中,任由它们聚集组合成更大的结构。但是有一个问题随之出现:有时候,分子们...
分类:其他好文   时间:2015-06-11 18:39:37    阅读次数:204
Uva1586 - Molar mass
问题描述: An organic compound is any member of a large class of chemical compounds whose molecules contain carbon. The molar mass of an organic compound is the mass of one mole of the organic compound...
分类:其他好文   时间:2015-04-13 19:01:49    阅读次数:149
poj 1862 Stripies 【优先队列】
点击打开题目 Stripies Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 12587   Accepted: 5957 Description Our chemical biologists have invented a new very us...
分类:其他好文   时间:2014-11-26 14:28:50    阅读次数:130
Kaggle竞赛题目之——Predicting a Biological Response
Predict a biological response of molecules from their chemical properties 从分子的化学属性中预测其生物反应。 The objective of the competition is to help us build as good a model as possible so that we can, as op...
分类:其他好文   时间:2014-11-24 19:19:09    阅读次数:356
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