IOI 2017 Practice

	#	제목
1	20091	Mountains
2	20092	Cup of Jamshid
3	20093	Coins
4-1	20094	Sudoku 1
4-2	20095	Sudoku 2
4-3	20096	Sudoku 3
4-4	20097	Sudoku 4
4-5	20098	Sudoku 5
4-6	20099	Sudoku 6
4-7	20100	Sudoku 7
4-8	20101	Sudoku 8
4-9	20102	Sudoku 9
4-10	20103	Sudoku 10