somme maximale d'éléments non adjacents
public static void NumbersSumb(int[] arr)
{
if(arr.Length <=2)
Console.WriteLine(arr.Max());
arr[2] = arr[0] + Math.Max(0, arr[2]);
for (int i = 3; i < arr.Length; i++)
arr[i] = Math.Max(arr[i - 2], arr[i - 3]) + Math.Max(0, arr[i]);
Console.WriteLine(Math.Max(arr[arr.Length - 1], arr[arr.Length - 2]));
}
PrashantUnity