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  1. //This is my first CSharp language program
  2. using System;
  3. public class MyLab
  4. {
  5. public static void Main()
  6. {
  7. int n=0;
  8. int i=0;
  9. int s=0;
  10. Console.WriteLine("Please enter value for N\n");
  11. n=int.Parse(Console.ReadLine());
  12. s=0;
  13. for(i=1;i<=n;i+=1)
  14. {
  15. if (i % 2 == 0)
  16. {
  17. s=s+i;
  18. Console.WriteLine("Current value i="+i+" S="+s);
  19. }
  20. }
  21. Console.WriteLine("Final result suma is S="+s);
  22. }
  23. }
Success #stdin #stdout 0.03s 28160KB
stdin
21
stdout
Please enter value for N

Current value i=2 S=2
Current value i=4 S=6
Current value i=6 S=12
Current value i=8 S=20
Current value i=10 S=30
Current value i=12 S=42
Current value i=14 S=56
Current value i=16 S=72
Current value i=18 S=90
Current value i=20 S=110
Final result suma is S=110