2390 |
Removing Stars From a String |
TypeScript, PHP, Python, Go |
Medium |
2356 |
Number of Unique Subjects Taught by Each Teacher |
MySQL |
Easy |
2352 |
Equal Row and Column Pairs |
TypeScript, PHP, Python, Go |
Medium |
2215 |
Find the Difference of Two Arrays |
TypeScript, PHP, Python, Go |
Easy |
1965 |
Employees With Missing Information |
MySQL |
Easy |
1934 |
Confirmation Rate |
MySQL |
Medium |
1929 |
Concatenation of Array |
JavaScript, PHP |
Easy |
1926 |
Nearest Exit from Entrance in Maze |
TypeScript, PHP, Python |
Medium |
1890 |
The Latest Login in 2020 |
MySQL |
Easy |
1873 |
Calculate Special Bonus |
MySQL |
Easy |
1795 |
Rearrange Products Table |
MySQL |
Easy |
1789 |
Primary Department for Each Employee |
MySQL |
Easy |
1768 |
Merge Strings Alternately |
TypeScript, PHP, Python, Go |
Easy |
1757 |
Recyclable and Low Fat Products |
MySQL |
Easy |
1741 |
Find Total Time Spent by Each Employee |
MySQL |
Easy |
1732 |
Find the Highest Altitude |
TypeScript, PHP, Python, Go |
Easy |
1731 |
The Number of Employees Which Report to Each Employee |
MySQL |
Easy |
1729 |
Find Followers Count |
MySQL |
Easy |
1710 |
Maximum Units on a Truck |
JavaScript, PHP |
Easy |
1693 |
Daily Leads and Partners |
MySQL |
Easy |
1683 |
Invalid Tweets |
MySQL |
Easy |
1679 |
Max Number of K-Sum Pairs |
TypeScript, PHP, Python |
Medium |
1667 |
Fix Names in a Table |
MySQL |
Easy |
1661 |
Average Time of Process per Machine |
MySQL |
Easy |
1657 |
Determine if Two Strings Are Close |
TypeScript, PHP, Python, Go |
Medium |
1587 |
Bank Account Summary II |
MySQL |
Easy |
1581 |
Customer Who Visited but Did Not Make Any Transactions |
MySQL |
Easy |
1527 |
Patients With a Condition |
MySQL |
Easy |
1493 |
Longest Subarray of 1's After Deleting One Element |
TypeScript, PHP, Python, Go |
Medium |
1484 |
Group Sold Products By The Date |
MySQL |
Easy |
1480 |
Running Sum of 1d Array |
TypeScript, PHP, Python |
Easy |
1456 |
Maximum Number of Vowels in a Substring of Given Length |
TypeScript, PHP, Python, Go |
Medium |
1431 |
Kids With the Greatest Number of Candies |
TypeScript, PHP, Python, Go |
Easy |
1407 |
Top Travellers |
MySQL |
Easy |
1393 |
Capital Gain/Loss |
MySQL |
Medium |
1378 |
Replace Employee ID With The Unique Identifier |
MySQL |
Easy |
1280 |
Students and Examinations |
MySQL |
Easy |
1251 |
Average Selling Price |
MySQL |
Easy |
1211 |
Queries Quality and Percentage |
MySQL |
Easy |
1207 |
Unique Number of Occurrences |
TypeScript, PHP, Python, Go |
Easy |
1193 |
Monthly Transactions I |
MySQL |
Medium |
1174 |
Immediate Food Delivery II |
MySQL |
Medium |
1158 |
Market Analysis I |
MySQL |
Medium |
1148 |
Article Views I |
MySQL |
Easy |
1141 |
User Activity for the Past 30 Days I |
MySQL |
Easy |
1084 |
Sales Analysis III |
MySQL |
Easy |
1075 |
Project Employees I |
MySQL |
Easy |
1071 |
Greatest Common Divisor of Strings |
TypeScript, PHP, Python, Go |
Easy |
1070 |
Product Sales Analysis III |
MySQL |
Medium |
1068 |
Product Sales Analysis I |
MySQL |
Easy |
1050 |
Actors and Directors Who Cooperated At Least Three Times |
MySQL |
Easy |
1045 |
Customers Who Bought All Products |
MySQL |
Medium |
1004 |
Max Consecutive Ones III |
TypeScript, PHP, Python, Go |
Medium |
946 |
Validate Stack Sequences |
TypeScript, PHP |
Medium |
876 |
Middle of the Linked List |
TypeScript, PHP, Python |
Easy |
735 |
Asteroid Collision |
TypeScript, PHP, Python, Go |
Medium |
724 |
Find Pivot Index |
TypeScript, PHP, Python, Go |
Easy |
704 |
Binary Search |
TypeScript, PHP, Python |
Easy |
643 |
Maximum Average Subarray I |
TypeScript, PHP, Python, Go |
Easy |
627 |
Swap Salary |
MySQL |
Easy |
620 |
Not Boring Movies |
MySQL |
Easy |
619 |
Biggest Single Number |
MySQL |
Easy |
617 |
Merge Two Binary Trees |
JavaScript, PHP |
Easy |
610 |
Triangle Judgement |
MySQL |
Easy |
608 |
Tree Node |
MySQL |
Medium |
607 |
Sales Person |
MySQL |
Easy |
605 |
Can Place Flowers |
TypeScript, PHP, Python, Go |
Easy |
596 |
Classes More Than 5 Students |
MySQL |
Easy |
595 |
Big Countries |
MySQL |
Easy |
589 |
N-ary Tree Preorder Traversal |
TypeScript, PHP, Python |
Easy |
586 |
Customer Placing the Largest Number of Orders |
MySQL |
Easy |
584 |
Find Customer Referee |
MySQL |
Easy |
577 |
Employee Bonus |
MySQL |
Easy |
570 |
Managers with at Least 5 Direct Reports |
MySQL |
Medium |
550 |
Game Play Analysis IV |
MySQL |
Medium |
511 |
Game Play Analysis I |
MySQL |
Easy |
509 |
Fibonacci Number |
JavaScript, PHP |
Easy |
443 |
String Compression |
TypeScript, PHP, Python, Go |
Medium |
409 |
Longest Palindrome |
TypeScript, PHP, Python |
Easy |
392 |
Is Subsequence |
TypeScript, PHP, Python, Go |
Easy |
345 |
Reverse Vowels of a String |
TypeScript, PHP, Python, Go |
Easy |
334 |
Increasing Triplet Subsequence |
TypeScript, PHP, Python, Go |
Medium |
283 |
Move Zeroes |
TypeScript, PHP, Python, Go |
Easy |
279 |
Perfect Squares |
TypeScript, PHP, Python |
Medium |
278 |
First Bad Version |
TypeScript, PHP, Python |
Easy |
253 |
Meeting Rooms II |
PHP, Go |
Medium |
252 |
Meeting Rooms |
PHP, Go |
Easy |
238 |
Product of Array Except Self |
TypeScript, PHP, Python, Go |
Medium |
206 |
Reverse Linked List |
TypeScript, PHP, Python |
Easy |
205 |
Isomorphic Strings |
TypeScript, PHP, Python |
Easy |
197 |
Rising Temperature |
MySQL |
Easy |
196 |
Delete Duplicate Emails |
MySQL |
Easy |
183 |
Customers Who Never Order |
MySQL |
Easy |
182 |
Duplicate Emails |
MySQL |
Easy |
181 |
Employees Earning More Than Their Managers |
MySQL |
Easy |
180 |
Consecutive Numbers |
MySQL |
Medium |
176 |
Second Highest Salary |
MySQL |
Medium |
175 |
Combine Two Tables |
MySQL |
Easy |
169 |
Majority Element |
TypeScript, PHP, Python, Go |
Easy |
151 |
Reverse Words in a String |
TypeScript, PHP, Python, Go |
Medium |
142 |
Linked List Cycle II |
TypeScript, PHP, Python |
Medium |
141 |
Linked List Cycle |
TypeScript, PHP, Python |
Easy |
121 |
Best Time to Buy and Sell Stock |
TypeScript, PHP, Python |
Easy |
104 |
Maximum Depth of Binary Tree |
JavaScript, PHP |
Easy |
102 |
Binary Tree Level Order Traversal |
TypeScript, PHP, Python |
Medium |
88 |
Merge Sorted Array |
TypeScript, PHP, Python, Go |
Easy |
80 |
Remove Duplicates from Sorted Array II |
TypeScript, PHP, Python, Go |
Medium |
57 |
Insert Interval |
PHP, Go |
Medium |
56 |
Merge Intervals |
PHP, Go, TypeScript |
Medium |
46 |
Permutations |
JavaScript, PHP |
Medium |
27 |
Remove Element |
PHP, Go |
Easy |
26 |
Remove Duplicates from Sorted Array |
TypeScript, PHP, Python, Go |
Easy |
21 |
Merge Two Sorted Lists |
TypeScript, PHP, Python |
Easy |
20 |
Valid Parentheses |
JavaScript, PHP |
Easy |
11 |
Container With Most Water |
TypeScript, PHP, Python |
Medium |
9 |
Palindrome Number |
JavaScript, PHP |
Easy |
5 |
Longest Palindromic Substring |
JavaScript, PHP |
Medium |
4 |
Median of Two Sorted Arrays |
JavaScript, PHP |
Hard |
3 |
Longest Substring Without Repeating Characters |
JavaScript, PHP |
Medium |
2 |
Add Two Numbers |
JavaScript, PHP, Python |
Medium |
1 |
Two Sum |
TypeScript, PHP, Python |
Easy |