age, Visual Basic - rextester

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'Rextester.Program.Main is the entry point for your code. Don't change it.
'Compiler version 11.0.50709.17929 for Microsoft (R) .NET Framework 4.5

Imports System
Imports System.Collections.Generic
Imports System.Linq
Imports System.Text.RegularExpressions

Namespace Rextester
    Public Module Program
        Public Sub Main(args() As string)
            'Your code goes here
            Console.WriteLine("Hello, world!")
            dim nb,n,i,max,min,de_0_a_15 as byte
            dim age(),age_moyen,som,sigma,variance,s as single
            dim colonneA as boolean
            
            console.writeline("quel est le nombre de personnes")
            nb=console.readline()       
            redim age(nb)        
            for n=1 to nb 
              
                 console.writeline("quel est l'age de la personne " & n)
                 age(n)= console.readline()
                 
                 som=som+age(n)   
                 age_moyen=som/nb
                
               colonneA = 0<age(n) and age(n)<15
             if colonneA= true then
             de_0_a_15=de_0_a_15+1
             end if  
            
            next n
            
            for n=1 to nb
                 
                   s=(age(n)-age_moyen)^2
                   variance= variance+ s 
                 
            
            next n  
                   sigma=((variance)/(nb-1))^0.5 
           
            for n=1 to nb
            
              If age(n) > Max Then
                   Max = age(n)
              End If
            next n
            
            
              
                  
       
            console.writeline("l'age moyen est de " & age_moyen)
            console.writeline("l'ecart type est de " & sigma)
            console.writeline("l'age maxi est de " & max)
            console.writeline(de_0_a_15)
            
       End Sub
    End Module
End Namespace

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Compilation time: 0,2 sec, absolute running time: 0,11 sec, cpu time: 0,11 sec, average memory usage: 18 Mb, average nr of threads: 4