Shulou(Shulou.com)06/02 Report--

This article mainly introduces how to make the periphery of a rectangle in c language for the same number, the article is very detailed, has a certain reference value, interested friends must read it!

The periphery of a rectangle is the same number, and one circle is added first, and the first circle is 1.

Example

11111

12221

12321

12221

11111

# include

# define N 7

Void fun (int (* a) [N])

{int i,j,k,m

If (N% 2cm / 0) m=N/2

Else m=N/2+1

For (iTuno; I

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