Merge branch 'master' of https://git.cse.iitb.ac.in/sroshan/SpartanBotsOutlab67

q1/triwizard.py

@@ -86,7 +86,52 @@ def incendio(my_integer):
 # 'm': integer that divides n
 # return type: int numpy Ndarray; dim: nxn
 def alohomora(n, m):
-	pass
+    checkerboard = np.zeros((n,n), dtype=int)
+    turn,count,row_turn,row_count = (0,0,0,0)
+    for row in range(len(checkerboard)):
+        if row_turn == 0 and row_count < m:
+            for col in range(len(checkerboard[0])):
+                if (turn == 0 and count < m):
+                    checkerboard[row][col] = 1
+                    count += 1
+                    if (count >= m):
+                        turn = 1
+                        count = 0
+                elif (turn == 1 and count <= m):
+                    count += 1
+                    if (count + 1 > m):
+                        turn = 0
+                        count = 0
+            turn = 0
+            row_count += 1
+            if (row_count >= m):
+                row_turn = 1
+                row_count = 0
+                turn = 1
+                continue
+
+        if row_turn == 1 and row_count < m:
+            for col in range(len(checkerboard[0])):
+                if (turn == 0 and count < m):
+                    checkerboard[row][col] = 1
+                    count += 1
+                    if (count >= m):
+                        turn = 1
+                        count = 0
+                elif (turn == 1 and count <= m):
+                    count += 1
+                    if (count + 1 > m):
+                        turn = 0
+                        count = 0
+            turn = 1
+            row_count += 1
+            if (row_count >= m):
+                row_turn = 0
+                row_count = 0
+                turn = 0
+                continue
+
+    return checkerboard
 
 
 # ---- Task (d) -------