类库：usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Linq.Expressions;usingSystem.Text;namespaceMvc.Util{publicclassParameterRebinder:Exp...

  1.暴力4人两两不是朋友，则其中3人两两必定不是朋友#include<iostream>#include<cstdio>#include<vector>#include<set>#include<map>#include<stri...

 首先想到：vardata0=db.T_Plants2;//这里加.AsQueryable()if(locationType==1){.Where(d=>d.NaturalEcosystem==true);}else{.Where(d=>d.BuiltUpArea==true);}.Select(...