sum in csharp

Code Example - sum in csharp

                
                        int[] arr = new int[] { 1, 2, 3 };
int sum = 0;
for (int i = 0; i < arr.Length; i++)
{
    sum += arr[i];
}

int[] arr = { 3, 6, 4, 1, 6, 8 };

// returns 1
Array.IndexOf(arr, 6);

int maxValue = anArray.Max();
int maxIndex = anArray.ToList().IndexOf(maxValue);
                    
                
 

sum of digits in csharp

                        
                                int num = 123;
int sum = 0;
while(num > 0)
{
  sum += number % 10;
  num /= 10;
}
Console.WriteLine(sum); // output: 6
                            
                        
 

linq sum

                        
                                int[] numbers = new int[] { 10, 30, 50, 40, 60, 20, 70, 90, 80, 100 };
int total = (from num in numbers select num).Sum();