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CycleSorter.cs
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usingSystem.Collections.Generic;
namespaceAlgorithms.Sorting
{
publicstaticclassCycleSorter
{
publicstaticvoidCycleSort<T>(thisIList<T>collection,Comparer<T>comparer=null)
{
comparer=comparer??Comparer<T>.Default;
collection.CycleSortAscending(comparer);
}
publicstaticvoidCycleSortDescending<T>(thisIList<T>collection,Comparer<T>comparer)
{
for(intcycleStart=0;cycleStart<collection.Count;cycleStart++)
{
Titem=collection[cycleStart];
intposition=cycleStart;
do
{
intto=0;
for(inti=0;i<collection.Count;i++)
{
if(i!=cycleStart&&comparer.Compare(collection[i],item)>0)
{
to++;
}
}
if(position!=to)
{
while(position!=to&&comparer.Compare(item,collection[to])==0)
{
to++;
}
Ttemp=collection[to];
collection[to]=item;
item=temp;
position=to;
}
}while(position!=cycleStart);
}
}
publicstaticvoidCycleSortAscending<T>(thisIList<T>collection,Comparer<T>comparer)
{
for(intcycleStart=0;cycleStart<collection.Count;cycleStart++)
{
Titem=collection[cycleStart];
intposition=cycleStart;
do
{
intto=0;
for(inti=0;i<collection.Count;i++)
{
if(i!=cycleStart&&comparer.Compare(collection[i],item)<0)
{
to++;
}
}
if(position!=to)
{
while(position!=to&&comparer.Compare(item,collection[to])==0)
{
to++;
}
Ttemp=collection[to];
collection[to]=item;
item=temp;
position=to;
}
}while(position!=cycleStart);
}
}
}
}