题目链接:http://acm.hznu.edu.cn/OJ/problem.php?id=1557 题解:将两个数组分别升序和降序排序后,累加差的绝对值. Ac代码: #include<stdio.h> #include<math.h> int main (void) { int n,i,j,a[10000],b[10000],c,d,e=0; scanf("%d",&n); for(i=0;i<n;++i){ scanf("%d&qu…
http://acm.timus.ru/problem.aspx?space=1&num=1557 1557. Network Attack Time limit: 2.0 secondMemory limit: 64 MB In some computer company, Mouse Inc., there is very complicated network structure. There are a lot of branches in different countries, so…
Can you answer these queries II Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 https://www.spoj.com/problems/GSS2/ Description Being a completist and a simplist, kid Yang Zhe cannot solve but get Wrong Answer from most of the OI problems. And he refuse…
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# 决策树 import pandas as pd from sklearn.tree import DecisionTreeClassifier from sklearn.cross_validation import train_test_split from sklearn.metrics import classification_report from sklearn.pipeline import Pipeline from sklearn.grid_search import Gr…