Add likes and dislikes to problem desc

Author: Vigilans

lib/commands/show.js

@@ -152,14 +152,18 @@ function showProblem(problem, argv) {
   log.printf('* %s', problem.category);
   log.printf('* %s (%s%%)', h.prettyLevel(problem.level), problem.percent.toFixed(2));
 
-  if (filename)
-    log.printf('* Source Code:       %s', chalk.yellow.underline(filename));
+  if (problem.likes)
+    log.printf('* Likes:    %s', problem.likes);
+  if (problem.dislikes)
+    log.printf('* Dislikes: %s', problem.dislikes);
   if (problem.totalAC)
     log.printf('* Total Accepted:    %s', problem.totalAC);
   if (problem.totalSubmit)
     log.printf('* Total Submissions: %s', problem.totalSubmit);
   if (problem.testable && problem.testcase)
     log.printf('* Testcase Example:  %s', chalk.yellow(util.inspect(problem.testcase)));
+  if (filename)
+    log.printf('* Source Code:       %s', chalk.yellow.underline(filename));
 
   log.info();
   log.info(problem.desc);