Solution to second puzzle is not optimal, it definately should be O(1) space, but I didn't want to think about it.  | 
			||
|---|---|---|
| .. | ||
| CMakeLists.txt | ||
| main.cpp | ||
				
					
						Solution to second puzzle is not optimal, it definately should be O(1) space, but I didn't want to think about it.  | 
			||
|---|---|---|
| .. | ||
| CMakeLists.txt | ||
| main.cpp | ||