2013

11 :

" " " , -

2 : - , , , ,

3Tell me, Ill forget

Show me, I may remember

Involve me, Ill understand

Confucius4 5 6 - 7 8 9 10 11 12 : 2, 1 " -7 . 0. ( ) . .13 double rain;for (int i=1;i 0) Console.WriteLine(rain);}14 15 : - (: 4, 5) - (: 1, 6) (: 5, 1) - (: 1, 1)1617 . . . -.

18 int num;Console.WriteLine("Enter number");num=int.Parse(Console.ReadLine());while (num < 10 || num > 99)} if (num%10 == num/10) Console.WriteLine(num);Console.WriteLine("Enter number");num=int.Parse(Console.ReadLine());}

19 int num;Console.WriteLine("Enter number");num=int.Parse(Console.ReadLine());while (num >= 10 && num 99))} if (num%10 == num/10) Console.WriteLine(num);}

21 int num;Console.WriteLine("Enter number");num=int.Parse(Console.ReadLine());while (num > 9 && num < 100){ Console.WriteLine("Enter number"); num=int.Parse(Console.ReadLine()); if (num%10 == num/10) Console.WriteLine(num); Console.WriteLine("Enter number"); num=int.Parse(Console.ReadLine());}

22 : : _____ _____ _____ _____

23 () - , 24

25 . -.26 4 : : 98- 33 90 99 87 - : ______ : ______ : 100 88 44 55 11 77 - : ______ : ______ : 4976 57 84 23 - : ______ : ______ : 180 - : ______ : ______

27 - : - , - - 28 : : - test-cases / ( ):

29 : - :while (num < 10 || num > 99)while (num >= 10 && num 99))while (num > 9 && num < 100)

30 - - . , - , .

31 - : , , , : ( ) - 32 " ,

33