LeetCode CLI
Project description
LeetCode CLI
Start tmux
, vim
and leetcode-cli
. Practice as many questions as you can:-)
This tool is not affiliated with LeetCode.
Install
Mac OS X
brew install node
sudo easy_install leetcode-cli
Linux
sudo apt install nodejs
sudo pip install leetcode-cli
Usage
The most common commands are: cd
, ls
, pull
, cat
, check
, push
, cheat
, clear
and /
.
$ leetcode-cli
(\_/)
=(^.^)=
(")_(")
243 solved 17 failed 523 todo
#:/> ?
cat - Show test case(s).
cd <tag|number> - Change problem(s).
cheat <number> - Find the best solution.
check - Test the solution.
chmod <language> - Change programming language.
clear - Clear screen.
find <keyword> - Find problems by keyword. Alias: /<keyword>.
limit <number> - Limit the number of problems.
login - Login into the online judge.
ls - Show problem(s).
print [keyword] - Print problems by keyword in HTML.
pull [*] - Pull latest solution(s). '*': all solved problems.
push - Submit the solution.
su <session> - Change session.
A tag can refer to a topic (e.g. array) or a company (e.g. amazon).
A keyword can be anything (including a tag).
Commands and options can be completed via <TAB>.
#:/>
Control+D to exit.
Demo
At the root (/
) level. ls
lists all the topics. #
is for problems without a topic.
#:/> ls
29 #
81 array
28 backtracking <- 28 problems todo in backtracking
5 binary-indexed-tree
35 binary-search
12 binary-search-tree
26 bit-manipulation
3 brainteaser
31 breadth-first-search
60 depth-first-search
...
13 sort
14 stack
62 string
3 topological-sort
53 tree
12 trie
21 two-pointers
9 union-find
242 solved 18 failed 523 todo
cd <topic>
changes the current topic.
#:/> cd heap
#:/heap>
At the topic level, ls
lists the problems by difficulty level and acceptance rate. Levels are seperated by a blank line. At each level, the problems are listed in the order of acceptance rate.
The marks: *
means todo
, x
failed
, none means solved
.
#:/heap> ls
355 design-twitter <- the hardest
*719 find-k-th-smallest-pair-distance
*836 race-car
23 merge-k-sorted-lists
*218 the-skyline-problem
*803 cheapest-flights-within-k-stops
295 find-median-from-data-stream <- medium level
*895 shortest-path-to-get-all-keys
373 find-k-pairs-with-smallest-sums
...
215 kth-largest-element-in-an-array
*692 top-k-frequent-words
*794 swim-in-rising-water
378 kth-smallest-element-in-a-sorted-matrix <- easy level
347 top-k-frequent-elements
451 sort-characters-by-frequency
*761 employee-free-time <- the easiest
11 solved 0 failed 17 todo
cd <number>
changes the current problem. Then ls
shows the description.
#:/heap> cd 23
#:/heap/23-merge-k-sorted-lists> ls
[Linked-List, Heap, Divide-And-Conquer, 8/20]
Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity.
Example:
Input:
[
1->4->5,
1->3->4,
2->6
]
Output: 1->1->2->3->4->4->5->6
pull
downloads the latest solution and sample test case from the online judge. If no solution was submitted, a boiler plate is used. The solution/boilerplate is saved in ./ws/<number>.<ext>
and can be edited.
#:/heap/23-merge-k-sorted-lists> pull
,___,
[O.o] Replace working copy? (y/N)
/)__)
-"--"-y
ws/23.py
cat
show the sample test case. It is saved in ./ws/tests.dat
. Test cases can be added to it and be used by check
.
#:/heap/23-merge-k-sorted-lists> cat
ws/23.py << [[1,4,5],[1,3,4],[2,6]]
Now that we have the problem description and the sample test case, start coding and test the solution locally.
$ vim ./ws/23.py
$ python ./ws/23.py
The default programming language is Python
. To change it, use chmod <language>
. Once the solution passes tests locally, we can check
it with or push
it to the online judge. push
reports the runtime and number of tests passed.
#:/heap/23-merge-k-sorted-lists> check
Input: [[1,4,5],[1,3,4],[2,6]]
Result: [1,1,2,3,4,4,5,6]
Runtime: 20 ms
#:/heap/23-merge-k-sorted-lists> push
Runtime % ms
###############################################################################
** 0 48
***** 1 52
***************** 2 56
********************************************************************** 8 60
*********************************************************************** 8 64*
**************************************** 5 68
*********************************************** 6 72
*************************************************************** 7 76
************************************** 4 80
************************ 3 84
**************** 2 88
************** 2 92
************ 1 96
**************** 2 100
***************** 2 104
**************** 2 108
*********************** 3 112
******************************** 4 116
************************ 3 120
*********************** 3 124
*********************** 3 128
****************** 2 132
********** 1 136
********* 1 140
Rank: 20.51%
Result: 131/131 tests passed
Runtime: 64 ms
/<keyword>
searches for problems matching a tag (airbnb
) or a keyword (e.g. palindrome
)
#:/heap/23-merge-k-sorted-lists> cd ..
#:/heap> cd ..
#:/> /airbnb
220 contains-duplicate-iii
68 text-justification
10 regular-expression-matching
x212 word-search-ii
269 alien-dictionary
*336 palindrome-pairs
2 add-two-numbers
23 merge-k-sorted-lists
*190 reverse-bits
*803 cheapest-flights-within-k-stops
227 basic-calculator-ii
160 intersection-of-two-linked-lists
*221 maximal-square
385 mini-parser
219 contains-duplicate-ii
20 valid-parentheses
*756 pour-water
42 trapping-rain-water
1 two-sum
198 house-robber
251 flatten-2d-vector
415 add-strings
202 happy-number
108 convert-sorted-array-to-binary-search-tree
*787 sliding-puzzle
*757 pyramid-transition-matrix
217 contains-duplicate
*752 ip-to-cidr
*761 employee-free-time
136 single-number
20 solved 1 failed 9 todo
#:/>
The solutions are saved in the ./ws/
directory.
print
generates a syntax-highlighted HTML.
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