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Small update to prime numbers app

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Data is now saved to a list to save on system performance. The list is printed out once all of the prime numbers up to the limit have been discovered.
This commit is contained in:
lukejelse04 2021-05-23 22:11:02 +01:00
parent 5692e8dae3
commit 95c5fe0e23
1 changed files with 7 additions and 4 deletions
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11
Prime Numbers (Efficient)/Prime Numbers (Efficient)/Program.cs
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@ -13,6 +13,7 @@ namespace Prime_Numbers__Efficient_
int startNum = 2; int startNum = 2;
int maxNum = Convert.ToInt32(Console.ReadLine()); int maxNum = Convert.ToInt32(Console.ReadLine());
bool isPrime = true; bool isPrime = true;
List<int> primeList = new List<int>();
for (int x = startNum; x <= maxNum; x++) for (int x = startNum; x <= maxNum; x++)
{ {
@ -26,18 +27,20 @@ namespace Prime_Numbers__Efficient_
} }
if (isPrime == true) if (isPrime == true)
{ {
Console.ForegroundColor = ConsoleColor.Green; primeList.Add(x);
Console.WriteLine(x);
} }
else else
{ {
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine(x);
isPrime = true; isPrime = true;
} }
} }
foreach (var item in primeList)
{
Console.WriteLine(item);
}
Console.ReadLine(); Console.ReadLine();
} }