Init

1 files changed, 29 insertions, 0 deletions

diff --git a/progs/a233.py b/progs/a233.py
new file mode 100644
index 0000000..92bbaa7
--- /dev/null
+++ b/progs/a233.py
@@ -0,0 +1,29 @@
+def generate_matrix(n):

+        if n<=0:

+            return [] 

+        matrix=[row[:] for row in [[0]*n]*n]        

+        row_st=0

+        row_ed=n-1        

+        col_st=0

+        col_ed=n-1

+        current=1        

+        while (True):

+            if current>n*n:

+                break

+            for c in range (col_st, col_ed+1):

+                matrix[row_st][c]=current

+                current+=1

+            row_st+=1

+            for r in range (row_st, row_ed+1):

+                matrix[r][col_ed]=current

+                current+=1

+            col_ed-=1

+            for c in range (col_ed, col_st-1, -1):

+                matrix[row_ed][c]=current

+                current+=1

+            row_ed-=1

+            for r in range (row_ed, row_st-1, -1):

+                matrix[r][col_st]=current

+                current+=1

+            col_st+=1

+        return matrix
\ No newline at end of file