fork download
copy 
  1. using System;
  2.     class Program
  3.     {
  4.         static void Main()
  5.         {
  6.             double n;
  7.  
  8.             //If the current door number is the perfect square of an integer, say it is open, else say it is closed.
  9.             for (int d = 1; d <= 100; d++)
  10.                 Console.WriteLine("Door #{0}: {1}", d, (n = Math.Sqrt(d)) == (int)n ? "Open" : "Closed");
  11.         }
  12.     }
Success #stdin #stdout 0.01s 131648KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Door #1: Open
Door #2: Closed
Door #3: Closed
Door #4: Open
Door #5: Closed
Door #6: Closed
Door #7: Closed
Door #8: Closed
Door #9: Open
Door #10: Closed
Door #11: Closed
Door #12: Closed
Door #13: Closed
Door #14: Closed
Door #15: Closed
Door #16: Open
Door #17: Closed
Door #18: Closed
Door #19: Closed
Door #20: Closed
Door #21: Closed
Door #22: Closed
Door #23: Closed
Door #24: Closed
Door #25: Open
Door #26: Closed
Door #27: Closed
Door #28: Closed
Door #29: Closed
Door #30: Closed
Door #31: Closed
Door #32: Closed
Door #33: Closed
Door #34: Closed
Door #35: Closed
Door #36: Open
Door #37: Closed
Door #38: Closed
Door #39: Closed
Door #40: Closed
Door #41: Closed
Door #42: Closed
Door #43: Closed
Door #44: Closed
Door #45: Closed
Door #46: Closed
Door #47: Closed
Door #48: Closed
Door #49: Open
Door #50: Closed
Door #51: Closed
Door #52: Closed
Door #53: Closed
Door #54: Closed
Door #55: Closed
Door #56: Closed
Door #57: Closed
Door #58: Closed
Door #59: Closed
Door #60: Closed
Door #61: Closed
Door #62: Closed
Door #63: Closed
Door #64: Open
Door #65: Closed
Door #66: Closed
Door #67: Closed
Door #68: Closed
Door #69: Closed
Door #70: Closed
Door #71: Closed
Door #72: Closed
Door #73: Closed
Door #74: Closed
Door #75: Closed
Door #76: Closed
Door #77: Closed
Door #78: Closed
Door #79: Closed
Door #80: Closed
Door #81: Open
Door #82: Closed
Door #83: Closed
Door #84: Closed
Door #85: Closed
Door #86: Closed
Door #87: Closed
Door #88: Closed
Door #89: Closed
Door #90: Closed
Door #91: Closed
Door #92: Closed
Door #93: Closed
Door #94: Closed
Door #95: Closed
Door #96: Closed
Door #97: Closed
Door #98: Closed
Door #99: Closed
Door #100: Open
https://ideone.com/3tQYb1
language:
C# (gmcs 5.20.1)
created:
7 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!