# -*- coding: utf-8 -*-"""Spyder EditorThis is a temporary script file."""import numpy as npimport matplotlib.pyplot as plt#第一步 获取与处理数据x,y=[],[] #定义存储输入数据和目标数据的数组for sample in open('a.txt','r'): #遍历数据集并保存 _x,_y=sample.spli…
Milking Grid http://poj.org/problem?id=2185 Time Limit: 3000MS Memory Limit: 65536K Description Every morning when they are milked, the Farmer John's cows form a rectangular grid that is R (1 <= R <= 10,000) rows by C (1 <= C <= 75) co…