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Calculer la somme de tous les nombres pairs. Ruby

Calculer la somme de tous les nombres pairs. Ruby

#calculer

Ruby

xxxxxxxxxx
 
sum=0
​
puts "Enter n:-"
n=gets.chomp.to_i
​
i=1
while(i<=n)
    if(i%2==0)  #using % operator
        sum=sum+i
        i=i+1
    else
        i=i+1
    end
end
​
puts "The sum is #{sum}"

Output result

Enter n:-
5
The sum is 6

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