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Frankduc's avatar
Frankduc
Copper Contributor
Jun 24, 2024

c# How to loop and count back in another loop?

Hi,

 

 

var Quodown = new List<int>() {9,7,6,9,7,6,4,3,0};
double sumi = 0;
double avg = 0;
			
	for (int i = 8; i < Quodown.Count; i--)

                {
			sumi += Quodown[i];
					
			Print("sumi:  "+ sumi);
					
			//Print(i);
					
			for (int y = i; y <  8; y++)

		                {
							
				for (int z = Quodown.Count; z >  0; z--)
		
				                {
					avg = sumi / z;
					//Print("avg:  "+ avg);
									
					Print(z);
								}
							
						}
				
				
				}

 

 

I want to create a movering average of numbers calculated backward.

For exemple, in the first part of the code i calculate the sum of  numbers backward 0+3 = 0,  0+3+4= 7 etc.

I am trying to get the moving average of the sum of those numbers like average of 0 = 0 than  3+0 = 3/2 = 1.5 

4 +3 +0 = 7/3 = 2.333

etc

but using this loop it is dividing by its last position 8, 7 , 6 when it should be 3,2,1

 

Any help?

Thank you

 

Csharp
  • Arabidopsis's avatar
    Arabidopsis
    Copper Contributor
    Aug 13, 2024

    Frankduc 

    Hi,

    Let's take a look at what you've done. 

    You want to loop from the back of the list to the front, but i<Quoodown Count was used as a constraint for the for statement, so this loop obviously doesn't work properly. I have fixed the first loop for you, and it seems to work properly now.

    var Quodown = new List<int>() { 9, 7, 6, 9, 7, 6, 4, 3, 0 };
double sumi = 0;
double avg = 0;

for (int i = 8; i > 0; i--)
{
    sumi += Quodown[i];
    Console.WriteLine("sumi:  "+ sumi);

    for (int y = i; y < 8; y++)
    {
        for (int z = Quodown.Count; z > 0; z--)
        {
            avg = sumi / z;
            Console.WriteLine(z);
        }
    }
}

    Wishing you a pleasant programming experience!

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