Minor fix

backend/execute.php

@@ -25,30 +25,25 @@ fclose($file);
 
 $out_fname = "../users/" . $uname . "/" . "temp_out" . $template;
 
-if(strcmp($language, ".cpp") == 0)
-{
+if (strcmp($language, ".cpp") == 0) {
   system("./../users/" . $uname . "/" . $filename . " < " . $in_fname . " > " . $out_fname, $ret_stat);
-}
-
-else if(strcmp($language, "java") == 0)
-{
+} else if (strcmp($language, "java") == 0) {
   system("java -cp ../users/" . $uname . "/ " . $filename . " < " . $in_fname . " > " . $out_fname, $ret_stat);
-}
-
-else if(strcmp($language, "python") == 0)
-{
+} else if (strcmp($language, "python") == 0) {
   system("python3 ../users/" . $uname . "/" . $filename . " < " . $in_fname . " > " . $out_fname, $ret_stat);
 }
 
-if($ret_stat != 0)
-{
+if ($ret_stat != 0) {
+  unlink($in_fname);
+  unlink($out_fname);
   throw new Exception("Runtime Error!");
-}
-
-else
-{
+} else {
   $file = fopen($out_fname, 'r');
+  if (filesize($out_fname) == 0) {
+    echo json_encode('');
+  } else {
     echo json_encode(fread($file, filesize($out_fname)));
+  }
   fclose($file);
 }
 

src/app/ide-compile/ide-compile.component.scss

@@ -11,6 +11,11 @@
   transition: all 0.25s;
   z-index: 1000;
 
+  p {
+    max-height: 70vh;
+    overflow: auto;
+  }
+
   &.open {
     transform: translateY(-50%) scale(1);
     opacity: 1;