fork download 
  1. using System;
  2.  
  3. namespace ConsoleApplication
  4. {
  5. 	public class Program
  6. 	{
  7. 		public static void Main()
  8. 		{
  9. 			Console.WriteLine("100ms: " + ToMostNonZeroTime(100));
  10. 			Console.WriteLine("1000ms: " + ToMostNonZeroTime(1000));
  11. 			Console.WriteLine("10000ms: " + ToMostNonZeroTime(10000));
  12. 			Console.WriteLine("100000ms: " + ToMostNonZeroTime(100000));
  13. 			Console.WriteLine("1000000ms: " + ToMostNonZeroTime(1000000));
  14. 			Console.WriteLine("10000000ms: " + ToMostNonZeroTime(10000000));
  15. 			Console.WriteLine("100000000ms: " + ToMostNonZeroTime(100000000));
  16. 			Console.WriteLine("1000000000ms: " + ToMostNonZeroTime(1000000000));
  17. 			Console.WriteLine("20000000000ms: " + ToMostNonZeroTime(20000000000L));
  18. 			Console.WriteLine("200000000000ms: " + ToMostNonZeroTime(200000000000L));
  19. 		}
  20.  
  21. 		static string ToMostNonZeroTime(long ms) {
  22. 			const int hundretsNanosecondsInMillisecond = 10000;
  23. 			long ticks = (long)ms * hundretsNanosecondsInMillisecond;
  24. 			var dt = new DateTime(ticks); 
  25.  
  26. 			if((dt.Year - 1) > 0) { // starts with 1
  27. 				double daysToYear = (dt.DayOfYear - 1) * 1.0 / (DateTime.IsLeapYear(dt.Year) ? 366 : 365);
  28. 				daysToYear +=  dt.Year - 1;
  29. 				return $"{daysToYear:0.0} years";
  30. 			}
  31. 			if((dt.Month - 1) > 0) {
  32. 				double daysToMonth = (dt.Day - 1) * 1.0 / DateTime.DaysInMonth(dt.Year, dt.Month);
  33. 				daysToMonth +=  dt.Day - 1;
  34. 				return $"{daysToMonth:0.0} months";
  35. 			}
  36. 			// can use TimeSpan then:
  37. 			var ts = TimeSpan.FromMilliseconds(ms);
  38. 			if(ts.TotalDays >= 1)
  39. 				return $"{ts.TotalDays:0.0} days";
  40. 			if(ts.TotalHours >= 1)
  41. 				return $"{ts.TotalHours:0.0} hours";
  42. 			if(ts.TotalMinutes >= 1)
  43. 				return $"{ts.TotalMinutes:0.0} minutes";
  44. 			if(ts.TotalSeconds >= 1)
  45. 				return $"{ts.TotalSeconds:0.0} seconds";
  46. 			return $"{ms} milliseconds";
  47. 		}
  48. 	}
  49. }
  50.  
Success #stdin #stdout 0s 131776KB
comments (?)
stdin 
Standard input is empty
stdout 
100ms: 100 milliseconds
1000ms: 1.0 seconds
10000ms: 10.0 seconds
100000ms: 1.7 minutes
1000000ms: 16.7 minutes
10000000ms: 2.8 hours
100000000ms: 1.2 days
1000000000ms: 11.6 days
20000000000ms: 19.6 months
200000000000ms: 6.3 years
https://ideone.com/QZHOM4
language:
C# (gmcs 5.20.1)
created:
8 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!