HTL-2IHIF-CSharp/ex-col-01-marathon
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AddParticipants works perfectly, which leads to the Remove function to work perfectly as well

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This commit is contained in:
MarcUs7i 2024-12-06 11:16:31 +01:00
parent 3c848945aa
commit 19eeb95db3
2 changed files with 21 additions and 4 deletions
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23
Marathons/Marathon.cs
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@ -30,12 +30,29 @@ public sealed class Marathon
Node middleNode = new Node(participant);
Node? leftNode = GetNodeByIndex(insertIndex - 1);
Node? rightNode = GetNodeByIndex(insertIndex);
if (leftNode == null || rightNode == null)
if (leftNode == null && rightNode == null)
{
_head = middleNode;
_tail = middleNode;
return;
}
if(leftNode == null && rightNode != null)
{
_head = middleNode;
MoveNode(middleNode, rightNode);
return;
}
if(rightNode == null && leftNode != null)
{
_tail = middleNode;
MoveNode(leftNode, middleNode);
return;
}
if(rightNode == null || leftNode == null)
{
return;
}
MoveNode(leftNode, rightNode, middleNode);
}
@ -100,14 +117,14 @@ public sealed class Marathon
//check if the participant is the first or last
int result = _head.Data?.CompareTo(participant) ?? 0;
// If the participant is the first or can be placed before the first
if (result <= 0)
if (result >= 0)
{
exactPosFound = result == 0;
return 0;
}
// If the participant is the last or can be placed after the last
result = _tail.Data?.CompareTo(participant) ?? 0;
if (result >= 0)
if (result <= 0)
{
exactPosFound = result == 0;
return ParticipantCount;

2
Marathons/Participant.cs
View file

@ -24,7 +24,7 @@ public sealed class Participant
// Check if the completion time is the same
if(CompletionTime == participant.CompletionTime)
{
return StartNo < participant.StartNo ? -1 : 1;
return StartNo > participant.StartNo ? -1 : 1;
}
return CompletionTime < participant.CompletionTime ? -1 : 1;