我正在寻找优先级队列或堆数据结构的.NET实现
优先级队列是比简单排序提供更多灵活性的数据结构,因为它们允许新元素以任意间隔进入系统.将新作业插入优先级队列比在每次到达时重新排序所有内容更具成本效益.
基本优先级队列支持三种主要操作:
- 插入(Q,X).给定具有密钥k的项x,将其插入优先级队列Q.
- 查找-最小(Q).返回指向其键值小于优先级队列Q中任何其他键的项的指针.
- 删除 - 最小(Q).从密钥最小的优先级队列Q中删除该项
除非我在错误的地方寻找,否则框架中没有一个.有人知道一个好的,或者我应该自己动手?
如何在linq中对myScriptCellsCount.MyCellsCharactersCount(list int type)进行排序
public class MyExcelSheetsCells
{
public List<int> MyCellsCharactersCount { get; set; }
public MyExcelSheetsCells()
{
MyCellsCharactersCount = new List<int>();
}
}Run Code Online (Sandbox Code Playgroud)
void ArrangedDataList(DataTable dTable)
{
DAL.MyExcelSheets myexcelSheet = new DAL.MyExcelSheets();
myScriptCellsCount = new TestExceltoSql.DAL.MyExcelSheetsCells();
foreach (DataColumn col in dTable.Columns)
myexcelSheet.MyColumnNames.Add(col.ColumnName.ToString());
foreach(DataColumn dc in dTable.Columns)
foreach (DataRow dr in dTable.Rows)
myScriptCellsCount.MyCellsCharactersCount.Add(dr[dc].ToString().Length);
//How can i sort desc
//myScriptCellsCount.MyCellsCharactersCount = from list in myScriptCellsCount.MyCellsCharactersCount
// orderby list.CompareTo( descending
// select list;
CreatSqlTable(myexcelSheet.MyColumnNames, dTable.TableName, myScriptCellsCount.MyCellsCharactersCount[0].ToString());
myscript.WriteScript(myscript.SqlScripts);
}Run Code Online (Sandbox Code Playgroud)