offer
land
Ctrl K
Home
Paths
Problems
Courses
Tailored interview
EN
Sign in
Start free
Coding problems
Algorithm problems with tests in Python, JavaScript, Java, Go and C++, checked on our server.
Any difficulty
Easy
Medium
Hard
Array
1760
String
729
Hash Table
585
Dynamic Programming
558
Math
526
Sorting
432
Greedy
398
Binary Search
270
Depth-First Search
262
Matrix
239
Bit Manipulation
223
Breadth-First Search
207
Two Pointers
200
Prefix Sum
189
Tree
186
Heap (Priority Queue)
167
Simulation
163
Graph
152
43 more
K-th Highest Score
Array · Divide and Conquer · Quickselect
Medium
Strictly Low, High, Low
Greedy · Array · Divide and Conquer
Medium
Most Common Values
Array · Hash Table · Divide and Conquer
Medium
Nearest Points to the Base
Geometry · Array · Math
Medium
K-th Largest Corner XOR
Bit Manipulation · Array · Divide and Conquer
Medium
K-th Biggest Long Number
Array · String · Divide and Conquer
Medium
K-th Code by Its Last Digits
Array · String · Divide and Conquer
Medium
z
z
Z