| 1 |
🟩 Easy |
⚙️ |
Two Sum |
 |
| 3 |
🟨 Medium |
⚙️ |
Longest Substring Without Repeating Characters |
 |
| 11 |
🟨 Medium |
⚙️ |
Container With Most Water |
|
| 13 |
🟩 Easy |
⚙️ |
Roman To Integer |
|
| 14 |
🟩 Easy |
⚙️ |
Longest Common Prefix |
|
| 17 |
🟨 Medium |
⚙️ |
Letter Combinations Of A Phone Number |
|
| 28 |
🟩 Easy |
⚙️ |
Find The Index Of The First Occurrence In A String |
|
| 36 |
🟨 Medium |
⚙️ |
Valid Sudoku |
|
| 46 |
🟨 Medium |
⚙️ |
Permutations |
|
| 49 |
🟨 Medium |
⚙️ |
Group Anagrams |
|
| 50 |
🟨 Medium |
⚙️ |
Pow X N |
 |
| 58 |
🟩 Easy |
⚙️ |
Length Of Last Word |
|
| 66 |
🟩 Easy |
⚙️ |
Plus One |
|
| 73 |
🟨 Medium |
⚙️ |
Set Matrix Zeroes |
|
| 77 |
🟨 Medium |
⚙️ |
Combinations |
|
| 125 |
🟩 Easy |
⚙️ |
Valid Palindrome |
|
| 128 |
🟨 Medium |
⚙️ |
Longest Consecutive Sequence |
|
| 136 |
🟩 Easy |
⚙️ |
Single Number |
|
| 151 |
🟨 Medium |
⚙️ |
Reverse Words In A String |
|
| 175 |
🟩 Easy |
🛢️ |
Combine Two Tables |
  |
| 176 |
🟨 Medium |
🛢️ |
Second Highest Salary |
|
| 178 |
🟨 Medium |
🛢️ |
Rank Scores |
|
| 180 |
🟨 Medium |
🛢️ |
Consecutive Numbers |
|
| 181 |
🟩 Easy |
🛢️ |
Employees Earning More Than Their Managers |
|
| 182 |
🟩 Easy |
🛢️ |
Duplicate Emails |
|
| 183 |
🟩 Easy |
🛢️ |
Customers Who Never Order |
|
| 184 |
🟨 Medium |
🛢️ |
Department Highest Salary |
|
| 185 |
🟥 Hard |
🛢️ |
Department Top Three Salaries |
|
| 196 |
🟩 Easy |
🛢️ |
Delete Duplicate Emails |
 |
| 197 |
🟩 Easy |
🛢️ |
Rising Temperature |
|
| 217 |
🟩 Easy |
⚙️ |
Contains Duplicate |
|
| 230 |
🟨 Medium |
⚙️ |
Kth Smallest Element In A Bst |
|
| 238 |
🟨 Medium |
⚙️ |
Product Of Array Except Self |
|
| 242 |
🟩 Easy |
⚙️ |
Valid Anagram |
|
| 268 |
🟩 Easy |
⚙️ |
Missing Number |
|
| 271 |
🟨 Medium |
⚙️ |
Encode And Decode Strings |
|
| 283 |
🟩 Easy |
⚙️ |
Move Zeroes |
|
| 334 |
🟨 Medium |
⚙️ |
Increasing Triplet Subsequence |
|
| 345 |
🟩 Easy |
⚙️ |
Reverse Vowels Of A String |
|
| 347 |
🟨 Medium |
⚙️ |
Top K Frequent Elements |
|
| 366 |
🟨 Medium |
⚙️ |
Find Leaves Of Binary Tree |
|
| 387 |
🟩 Easy |
⚙️ |
First Unique Character String |
|
| 389 |
🟩 Easy |
⚙️ |
Find The Difference |
|
| 392 |
🟩 Easy |
⚙️ |
Is Subsequence |
|
| 443 |
🟨 Medium |
⚙️ |
String Compression |
|
| 459 |
🟩 Easy |
⚙️ |
Repeated Substring Pattern |
|
| 507 |
🟩 Easy |
⚙️ |
Perfect Number |
|
| 509 |
🟩 Easy |
⚙️ |
Fibonacci Number |
|
| 511 |
🟩 Easy |
🛢️ |
Game Play Analysis I |
|
| 512 |
🟩 Easy |
🛢️ |
Game Play Analysis II |
|
| 550 |
🟨 Medium |
🛢️ |
Game Play Analysis IV |
|
| 570 |
🟨 Medium |
🛢️ |
Managers With At Least 5 Direct Reports |
|
| 577 |
🟩 Easy |
🛢️ |
Employee Bonus |
|
| 584 |
🟩 Easy |
🛢️ |
Find Customer Referee |
|
| 585 |
🟨 Medium |
🛢️ |
Investments In 2016 |
|
| 586 |
🟩 Easy |
🛢️ |
Customer Placing The Largest Number Of Orders |
|
| 595 |
🟩 Easy |
🛢️ |
Big Countries |
|
| 596 |
🟩 Easy |
🛢️ |
Classes More Than 5 Students |
|
| 597 |
🟩 Easy |
🛢️ |
Friend Requests I Overall Acceptance Rate |
|
| 602 |
🟨 Medium |
🛢️ |
Friend Requests II Who Has The Most Friends |
|
| 603 |
🟩 Easy |
🛢️ |
Consecutive Available Seats |
|
| 607 |
🟩 Easy |
🛢️ |
Sales Person |
|
| 610 |
🟩 Easy |
🛢️ |
Triangle Judgement |
|
| 613 |
🟩 Easy |
🛢️ |
Shortest Distance In A Line |
|
| 619 |
🟩 Easy |
🛢️ |
Biggest Single Number |
|
| 620 |
🟩 Easy |
🛢️ |
Not Boring Movies |
|
| 626 |
🟨 Medium |
🛢️ |
Exchange Seats |
|
| 627 |
🟩 Easy |
🛢️ |
Swap Salary |
|
| 643 |
🟩 Easy |
⚙️ |
Maximum Average Subarray I |
|
| 657 |
🟩 Easy |
⚙️ |
Robot Return To Origin |
|
| 682 |
🟩 Easy |
⚙️ |
Baseball Game |
|
| 709 |
🟩 Easy |
⚙️ |
To Lower Case |
|
| 728 |
🟩 Easy |
⚙️ |
Self Dividing Numbers |
|
| 796 |
🟩 Easy |
⚙️ |
Rotate String |
|
| 896 |
🟩 Easy |
⚙️ |
Monotonic Array |
|
| 1045 |
🟨 Medium |
🛢️ |
Customers Who Bought All Products |
|
| 1050 |
🟩 Easy |
🛢️ |
Actors And Directors Who Cooperated At Least Three Times |
|
| 1068 |
🟩 Easy |
🛢️ |
Product Sales Analysis I |
|
| 1069 |
🟩 Easy |
🛢️ |
Product Sales Analysis II |
|
| 1070 |
🟨 Medium |
🛢️ |
Product Sales Analysis III |
|
| 1071 |
🟩 Easy |
⚙️ |
Greatest Common Divisor Of Strings |
|
| 1075 |
🟩 Easy |
🛢️ |
Project Employees I |
|
| 1082 |
🟩 Easy |
🛢️ |
Sales Analysis I |
|
| 1083 |
🟩 Easy |
🛢️ |
Sales Analysis II |
|
| 1084 |
🟩 Easy |
🛢️ |
Sales Analysis III |
|
| 1119 |
🟩 Easy |
⚙️ |
Remove Vowels From A String |
|
| 1133 |
🟩 Easy |
⚙️ |
Largest Unique Number |
|
| 1141 |
🟩 Easy |
🛢️ |
User Activity For The Past 30 Days I |
|
| 1148 |
🟩 Easy |
🛢️ |
Article Views I |
|
| 1164 |
🟨 Medium |
🛢️ |
Product Price At A Given Date |
|
| 1165 |
🟩 Easy |
⚙️ |
Single-row Keyboard |
|
| 1174 |
🟨 Medium |
🛢️ |
Immediate Food Delivery II |
|
| 1179 |
🟩 Easy |
🛢️ |
Reformat Department Table |
|
| 1180 |
🟩 Easy |
⚙️ |
Count Substrings With Only One Distinct Letter |
|
| 1193 |
🟨 Medium |
🛢️ |
Monthly Transactions I |
|
| 1204 |
🟨 Medium |
🛢️ |
Last Person To Fit In The Bus |
|
| 1207 |
🟩 Easy |
⚙️ |
Unique Number Of Occurrences |
|
| 1211 |
🟩 Easy |
🛢️ |
Queries Quality And Percentage |
|
| 1232 |
🟩 Easy |
⚙️ |
Check If It Is A Straight Line |
|
| 1251 |
🟩 Easy |
🛢️ |
Average Selling Price |
|
| 1255 |
🟥 Hard |
⚙️ |
Maximum Score Words Formed By Letters |
|
| 1280 |
🟩 Easy |
🛢️ |
Students And Examinations |
|
| 1321 |
🟨 Medium |
🛢️ |
Restaurant Growth |
|
| 1327 |
🟩 Easy |
🛢️ |
List The Products Ordered In A Period |
|
| 1341 |
🟨 Medium |
🛢️ |
Movie Rating |
|
| 1346 |
🟩 Easy |
⚙️ |
Check If N And Its Double Exist |
|
| 1352 |
🟨 Medium |
⚙️ |
Product Of The Last K Numbers |
|
| 1378 |
🟩 Easy |
🛢️ |
Replace Employee Id With The Unique Identifier |
|
| 1393 |
🟨 Medium |
🛢️ |
Capital Gain Loss |
|
| 1407 |
🟩 Easy |
🛢️ |
Top Travellers |
|
| 1431 |
🟩 Easy |
⚙️ |
Kids With The Greatest Number Of Candies |
|
| 1455 |
🟩 Easy |
⚙️ |
Check If A Word Occurs As A Prefix Of Any Word In A Sentence |
|
| 1456 |
🟨 Medium |
⚙️ |
Maximum Number Of Vowels In A Substring Of Given Length |
|
| 1484 |
🟩 Easy |
🛢️ |
Group Sold Products By The Date |
|
| 1491 |
🟩 Easy |
⚙️ |
Average Salary Excluding The Minimum And Maximum Salary |
|
| 1502 |
🟩 Easy |
⚙️ |
Can Make Arithmetic Progression From Sequence |
|
| 1512 |
🟩 Easy |
⚙️ |
Number Of Good Pairs |
|
| 1517 |
🟩 Easy |
🛢️ |
Find Users With Valid Emails |
|
| 1523 |
🟩 Easy |
⚙️ |
Count Odd Numbers In An Interval Range |
|
| 1527 |
🟩 Easy |
🛢️ |
Patients With A Condition |
|
| 1534 |
🟩 Easy |
⚙️ |
Count Good Triplets |
|
| 1570 |
🟨 Medium |
⚙️ |
Dot Product Of Two Sparse Vectors |
|
| 1572 |
🟩 Easy |
⚙️ |
Matrix Diagonal Sum |
|
| 1581 |
🟩 Easy |
🛢️ |
Customer Who Visited But Did Not Make Any Transactions |
|
| 1587 |
🟩 Easy |
🛢️ |
Bank Account Summary II |
|
| 1633 |
🟩 Easy |
🛢️ |
Percentage Of Users Who Attended A Contest |
|
| 1652 |
🟩 Easy |
⚙️ |
Defuse The Bomb |
|
| 1661 |
🟩 Easy |
🛢️ |
Average Time Of Process Per Machine |
|
| 1667 |
🟩 Easy |
🛢️ |
Fix Names In A Table |
|
| 1672 |
🟩 Easy |
⚙️ |
Richest Customer Wealth |
|
| 1679 |
🟨 Medium |
⚙️ |
Max Number Of K-sum Pairs |
|
| 1683 |
🟩 Easy |
🛢️ |
Invalid Tweets |
|
| 1684 |
🟩 Easy |
⚙️ |
Count The Number Of Consistent Strings |
|
| 1693 |
🟩 Easy |
🛢️ |
Daily Leads And Partners |
|
| 1700 |
🟩 Easy |
⚙️ |
Number Of Students Unable To Eat Lunch |
|
| 1720 |
🟩 Easy |
⚙️ |
Decode Xored Array |
|
| 1726 |
🟨 Medium |
⚙️ |
Tuple With Same Product |
|
| 1729 |
🟩 Easy |
🛢️ |
Find Followers Count |
|
| 1731 |
🟩 Easy |
🛢️ |
The Number Of Employees Which Report To Each Employee |
|
| 1741 |
🟩 Easy |
🛢️ |
Find Total Time Spent By Each Employee |
|
| 1752 |
🟩 Easy |
⚙️ |
Check If Array Is Sorted And Rotated |
|
| 1756 |
🟨 Medium |
⚙️ |
Design Most Recently Used Queue |
|
| 1757 |
🟩 Easy |
🛢️ |
Recyclable And Low Fat Products |
|
| 1768 |
🟩 Easy |
⚙️ |
Merge Strings Alternately |
|
| 1773 |
🟩 Easy |
⚙️ |
Count Items Matching A Rule |
|
| 1789 |
🟩 Easy |
🛢️ |
Primary Department For Each Employee |
|
| 1790 |
🟩 Easy |
⚙️ |
Check If One String Swap Can Make Strings Equal |
|
| 1795 |
🟩 Easy |
🛢️ |
Rearrange Products Table |
|
| 1796 |
🟩 Easy |
⚙️ |
Second Largest Digit String |
|
| 1800 |
🟩 Easy |
⚙️ |
Maximum Ascending Subarray Sum |
|
| 1822 |
🟩 Easy |
⚙️ |
Sign Of The Product Of An Array |
|
| 1829 |
🟨 Medium |
⚙️ |
Maximum Xor For Each Query |
|
| 1845 |
🟨 Medium |
⚙️ |
Seat Reservation Manager |
|
| 1852 |
🟨 Medium |
⚙️ |
Distinct Numbers In Each Subarray |
|
| 1859 |
🟩 Easy |
⚙️ |
Sorting The Sentence |
|
| 1873 |
🟩 Easy |
🛢️ |
Calculate Special Bonus |
|
| 1890 |
🟩 Easy |
🛢️ |
The Latest Login In 2020 |
|
| 1907 |
🟨 Medium |
🛢️ |
Count Salary Categories |
|
| 1910 |
🟨 Medium |
⚙️ |
Remove All Occurrences Of A Substring |
|
| 1934 |
🟨 Medium |
🛢️ |
Confirmation Rate |
|
| 1957 |
🟩 Easy |
⚙️ |
Delete Characters To Make Fancy String |
|
| 1965 |
🟩 Easy |
🛢️ |
Employees With Missing Information |
|
| 1978 |
🟩 Easy |
🛢️ |
Employees Whose Manager Left The Company |
|
| 1995 |
🟩 Easy |
⚙️ |
Count Special Quadruplets |
|
| 2042 |
🟩 Easy |
⚙️ |
Check If Numbers Are Ascending In A Sentence |
|
| 2044 |
🟨 Medium |
⚙️ |
Count Number Of Maximum Bitwise-or Subsets |
|
| 2073 |
🟩 Easy |
⚙️ |
Time Needed To Buy Tickets |
|
| 2109 |
🟨 Medium |
⚙️ |
Adding Spaces To A String |
|
| 2124 |
🟩 Easy |
⚙️ |
Check If All As Appears Before All Bs |
|
| 2125 |
🟨 Medium |
⚙️ |
Number Of Laser Beams In A Bank |
|
| 2215 |
🟩 Easy |
⚙️ |
Find The Difference Of Two Arrays |
|
| 2283 |
🟩 Easy |
⚙️ |
Check If Number Has Equal Digit Count And Digit Value |
|
| 2342 |
🟨 Medium |
⚙️ |
Max Sum Of A Pair With Equal Sum Of Digits |
|
| 2349 |
🟨 Medium |
⚙️ |
Design A Number Container System |
|
| 2352 |
🟨 Medium |
⚙️ |
Equal Row And Column Pairs |
|
| 2356 |
🟩 Easy |
🛢️ |
Number Of Unique Subjects Taught By Each Teacher |
|
| 2364 |
🟨 Medium |
⚙️ |
Count Number Of Bad Pairs |
|
| 2391 |
🟨 Medium |
⚙️ |
Minimum Amount Of Time To Collect Garbage |
|
| 2393 |
🟨 Medium |
⚙️ |
Count Strictly Increasing Subarrays |
|
| 2427 |
🟩 Easy |
⚙️ |
Number Of Common Factors |
|
| 2475 |
🟩 Easy |
⚙️ |
Number Of Unequal Triplets In Array |
|
| 2485 |
🟩 Easy |
⚙️ |
Find The Pivot Integer |
|
| 2490 |
🟩 Easy |
⚙️ |
Circular Sentence |
|
| 2599 |
🟨 Medium |
⚙️ |
Make The Prefix Sum Non-negative |
|
| 2619 |
🟩 Easy |
⚙️ |
Array Prototype Last |
 |
| 2620 |
🟩 Easy |
⚙️ |
Counter |
|
| 2621 |
🟩 Easy |
⚙️ |
Sleep |
|
| 2623 |
🟨 Medium |
⚙️ |
Memoize |
|
| 2626 |
🟩 Easy |
⚙️ |
Array Reduce Transformation |
|
| 2629 |
🟩 Easy |
⚙️ |
Function Composition |
|
| 2631 |
🟨 Medium |
⚙️ |
Group By |
|
| 2634 |
🟩 Easy |
⚙️ |
Filter Elements From Array |
|
| 2635 |
🟩 Easy |
⚙️ |
Apply Transform Over Each Element In Array |
|
| 2637 |
🟨 Medium |
⚙️ |
Promise Time Limit |
|
| 2657 |
🟨 Medium |
⚙️ |
Find The Prefix Common Array Of Two Arrays |
|
| 2665 |
🟩 Easy |
⚙️ |
Counter II |
|
| 2666 |
🟩 Easy |
⚙️ |
Allow One Function Call |
|
| 2667 |
🟩 Easy |
⚙️ |
Create Hello World Function |
|
| 2677 |
🟩 Easy |
⚙️ |
Chunk Array |
|
| 2703 |
🟩 Easy |
⚙️ |
Return Length Of Arguments Passed |
|
| 2704 |
🟩 Easy |
⚙️ |
To Be Or Not To Be |
|
| 2715 |
🟩 Easy |
⚙️ |
Timeout Cancellation |
|
| 2722 |
🟨 Medium |
⚙️ |
Join Two Arrays By Id |
|
| 2723 |
🟩 Easy |
⚙️ |
Add Two Promises |
|
| 2724 |
🟩 Easy |
⚙️ |
Sort By |
|
| 2725 |
🟩 Easy |
⚙️ |
Interval Cancellation |
|
| 2727 |
🟩 Easy |
⚙️ |
Is Object Empty |
|
| 2728 |
🟩 Easy |
⚙️ |
Count Houses In A Circular Street |
|
| 2769 |
🟩 Easy |
⚙️ |
Find The Maximum Achievable Number |
|
| 2879 |
🟩 Easy |
🛢️ |
Display The First Three Rows |
 |
| 2914 |
🟨 Medium |
⚙️ |
Minimum Number Of Changes To Make Binary String Beautiful |
|
| 2974 |
🟩 Easy |
⚙️ |
Minimum Number Game |
|
| 3014 |
🟩 Easy |
⚙️ |
Minimum Number Of Pushes To Type Word I |
|
| 3016 |
🟨 Medium |
⚙️ |
Minimum Number Of Pushes To Type Word II |
|
| 3032 |
🟩 Easy |
⚙️ |
Count Numbers With Unique Digits II |
|
| 3065 |
🟩 Easy |
⚙️ |
Minimum Operations To Exceed Threshold Value I |
|
| 3066 |
🟨 Medium |
⚙️ |
Minimum Operations To Exceed Threshold Value II |
|
| 3105 |
🟩 Easy |
⚙️ |
Longest Strictly Increasing Or Strictly Decreasing Subarray |
|
| 3110 |
🟩 Easy |
⚙️ |
Score Of A String |
|
| 3151 |
🟩 Easy |
⚙️ |
Special Array I |
|
| 3160 |
🟨 Medium |
⚙️ |
Find The Number Of Distinct Colors Among The Balls |
|
| 3162 |
🟩 Easy |
⚙️ |
Find The Number Of Good Pairs I |
|
| 3163 |
🟨 Medium |
⚙️ |
String Compression III |
|
| 3173 |
🟩 Easy |
⚙️ |
Bitwise Or Of Adjacent Elements |
|
| 3174 |
🟩 Easy |
⚙️ |
Clear Digits |
|
| 3211 |
🟨 Medium |
⚙️ |
Generate Binary Strings Without Adjacent Zeros |
|
| 3220 |
🟨 Medium |
🛢️ |
Odd And Even Transactions |
|
| 3223 |
🟨 Medium |
⚙️ |
Minimum Length Of String After Operations |
|
| 3300 |
🟩 Easy |
⚙️ |
Minimum Element After Replacement With Digit Sum |
|
| 3340 |
🟩 Easy |
⚙️ |
Check Balanced String |
|
| 3345 |
🟩 Easy |
⚙️ |
Smallest Divisible Digit Product I |
|
| 3427 |
🟩 Easy |
⚙️ |
Sum Of Variable Length Subarrays |
|
| 3452 |
🟩 Easy |
⚙️ |
Sum Of Good Numbers |
|
| 3461 |
🟩 Easy |
⚙️ |
Check If Digits Are Equal In String After Operations I |
|
| 3465 |
🟩 Easy |
🛢️ |
Find Products With Valid Serial Numbers |
|
| 3467 |
🟩 Easy |
⚙️ |
Transform Array By Parity |
|
| 3475 |
🟨 Medium |
🛢️ |
Dna Pattern Recognition |
|
| 3491 |
🟩 Easy |
⚙️ |
Phone Number Prefix |
|
| 3492 |
🟩 Easy |
⚙️ |
Maximum Containers On A Ship |
|
| 3497 |
🟨 Medium |
🛢️ |
Analyze Subscription Conversion |
|
| 3498 |
🟩 Easy |
⚙️ |
Reverse Degree Of A String |
|
| 3512 |
🟩 Easy |
⚙️ |
Minimum Operations To Make Array Sum Divisible By K |
|
| 3527 |
🟨 Medium |
⚙️ |
Find The Most Common Response |
|
| 3536 |
🟩 Easy |
⚙️ |
Maximum Product Of Two Digits |
|
| 3541 |
🟩 Easy |
⚙️ |
Find Most Frequent Vowel And Consonant |
|
| 3550 |
🟩 Easy |
⚙️ |
Smallest Index With Digit Sum Equal To Index |
|
| 3616 |
🟨 Medium |
⚙️ |
Number Of Student Replacements |
|
| 3631 |
🟨 Medium |
⚙️ |
Sort Threats By Severity And Exploitability |
|
