Welcome to Stack Overflow. Please, see How do I ask and answer homework questions?, Why is “Can someone help me?” not an actual question?, Open letter to students with homework problems, stackoverflow.com/help/how-to-ask. — Daniel Langr 34 secs ago

Open letter to students with homework problems — deceze ♦ 12 secs ago

This isn't really a practical problem suited to Stack Overflow. You just want to write better code. This might be better suited to Software Engineering or Code Review but you should read their help docs and tutorials to understand if it's on topic there or not. — mason 24 secs ago