C programming help!

If you could do this in Code::blocks

Print a checkboard using # each character separated by a 0. Each line will either start or finish with a 0. The size of the checkerboard will be read in input. Verify that the input is in the range [1:7), otherwise print "The input must be in the range (1:7). Hint: Make sure that there is not a new line character at the end of the last line. For example: Input Result site7 #O#O#O#O#O#O OOOOH #OO#OO#O#O#O O#O#O#O#OOO# HONONOBONONO