Add an option named g:leetcode_hide_paid_only to hide the paid only problems.

Author: tenfyzhong

README.md

@@ -88,6 +88,12 @@ Values: `'disabled'`, `'chrome'`, `'firefox'`
 
 Default value is `'disabled'`.
 
+### `g:leetcode_hide_paid_only`
+
+Hide the paid only problems on the list.
+
+Default value is `0`.
+
 ## Updates
 
 - 2019/12/20: Fix the login issue caused by reCAPTCHA.

autoload/leetcode.vim

@@ -147,6 +147,9 @@ function! s:PrintProblemList() abort
     endif
 
     let b:leetcode_problems = sorted_problems
+    if g:leetcode_hide_paid_only
+        call filter(b:leetcode_problems, 'v:val["paid_only"] == 0')
+    endif
 
     let id_width = s:MaxWidthOfKey(sorted_problems, 'fid', 1)
     let title_width = s:MaxWidthOfKey(sorted_problems, 'title', 1) + 4

doc/leetcode.txt

@@ -79,4 +79,10 @@ g:leetcode_solution_filetype
                             "javascript", "ruby", "swift", "golang", "scala",
                             "kotlin", "rust"
 
+                                                  *g:leetcode_hide_paid_only*
+g:leetcode_hide_paid_only
+                    Hide the paid only problems on the list.
+
+                    Default: 0
+
  vim:tw=78:ts=8:et:ft=help:norl:

plugin/leetcode.vim

@@ -20,6 +20,10 @@ if !exists('g:leetcode_debug')
     let g:leetcode_debug = 0
 endif
 
+if !exists('g:leetcode_hide_paid_only')
+    let g:leetcode_hide_paid_only = 0
+endif
+
 command! -nargs=0 LeetCodeList call leetcode#ListProblems('redraw')
 command! -nargs=0 LeetCodeReset call leetcode#ResetSolution(0)
 command! -nargs=0 LeetCodeTest call leetcode#TestSolution()