The Quest for El Dorad
#最短路 #图论 #数据结构 #二分
题目描述
There is a kingdom with n n n cities and m m m bi-directional railways connecting the cities. The i i i-th railway is operated by the c i c_i ci-th railway company, and the length of th…
给出点
x [1,4,5,8,12]
y [7,9,15,14,27] 要找出温度和冰淇淋销量之间的关系,通过线性回归来拟合求出属性和结果之间的线性关系。
如果直接把这些点连起来,是吃力不讨好的,因为如果有新数据进来大概率不在这条线上,这个行为也…