How can I return the sum and average of an int array

Question

I need to define two methods for returning the sum and average of an int array  The method defining is as follow - public int Sum params int   customerssalary                            I tried the following but it fails   return customerssalary sum       Another question is  how can I return the average of these int values

User · Answer

customerssalary Average    customerssalary Sum

User · Answer

This is the way you should be doing it  and I say this because you are clearly new to C  and should probably try to understand how some basic stuff works   public int Sum params int   customerssalary       int result   0      for int i   0  i  lt  customerssalary Length  i               result    customerssalary i            return result      with this Sum function  you can use this to calculate the average too     public decimal Average params int   customerssalary       int sum   Sum customerssalary      decimal result    decimal sum   customerssalary Length     return result      the reason for using a decimal type in the second function is because the division can easily return a non-integer result    Others have provided a Linq alternative which is what I would use myself anyway  but with Linq there is no point in having your own functions anyway  I have made the assumption that you have been asked to implement such functions as a task to demonstrate your understanding of C   but I could be wrong

User · Answer

If you are using visual studio 2005 then  public void sumAverageElements int   arr         int size  arr Length       int sum   0       int average   0        for  int i   0  i  lt  size  i                     sum    arr i                average   sum   size     sum divided by total elements in array       Console WriteLine  The Sum Of Array Elements Is       sum        Console WriteLine  The Average Of Array Elements Is       average

User · Answer

i refer so many results and modified my code its working  foreach  var rate in rateing                                        sum    Convert ToInt32 rate Rate                                     if rateing Count     0                                        float avg    float sum    float rateing Count                        saloonusers Rate   avg                                    else                                       saloonusers Rate    float 0 0

User · Answer

You have tried the wrong variable  ints is not the correct name of the argument   public int Sum params int   customerssalary        return customerssalary Sum       public double Avg params int   customerssalary        return customerssalary Average        But do you think that these methods are really needed

User · Answer

Using ints sum   has two problems    The variable is called customerssalary  not ints C  is case sensitive - the method is called Sum    not sum      Additionally  you ll need a using directive of  using System Linq    Once you ve got the sum  you can just divide by the length of the array to get the average - you don t need to use Average   which will iterate over the array again   int sum   customerssalary Sum    int average   sum   customerssalary Length    or as a double   double average     double  sum    customerssalary Length

User · Answer

Though the answers above all are different flavors of correct  I d like to offer the following solution  which includes a null check   decimal sum    customerssalary    null    0   customerssalary Sum    decimal avg    customerssalary    null    0   customerssalary Average

[c#] How can I return the sum and average of an int array?

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