Write a program in C# to print sum of odd numbers from 1 to N numbers.
Following is the simple C# code :
Following is the simple C# code :
class Lab { static void Main(string[] args) { int i, number, sum = 0; Console.Write("\nEnter the Number whose odd number you want: "); number = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("\nall even number between 1 to {0} are ", number); for (i = 1; i <= number; i += 2) { sum += i; Console.WriteLine("\nOdd number= {0} ", i); } Console.WriteLine("\n Sum of all odd number between 1 to {0} = {1}", number, sum); Console.ReadLine(); } }
Output:-
Enter the Number whose odd number you want: 20 all even number between 1 to 20 are Odd number= 1 Odd number= 3 Odd number= 5 Odd number= 7 Odd number= 9 Odd number= 11 Odd number= 13 Odd number= 15 Odd number= 17 Odd number= 19 Sum of all odd number between 1 to 20 = 100