Add filter

Author: hermanzdosilovic

js/ide.js

@@ -162,7 +162,7 @@ function handleResult(data) {
 
     $statusLine.html(`${status.description}, ${time}, ${memory} (TAT: ${tat}ms)`);
 
-    const output = [compileOutput, stdout].join("\n").trimEnd();
+    const output = [compileOutput, stdout].filter(x => x).join("\n").trimEnd();
 
     stdoutEditor.setValue(output);