Skip to content
Skills
Problems
Questions
Roles
Skills
Interview
Contest
Leaderboard
Problems
Questions
Roles
Skills
Interview
Contest
Leaderboard
Home
/
Skills
/
Dfs
Dfs
7 practice items · needed by 14 roles
Easy
2
Medium
4
Hard
1
Coding problems
Depth of a Level-Order Tree
easy
Sum of Prices in a Range
easy
Count Islands on a Map
medium
Is It a Valid Search Tree?
medium
Kth Smallest Badge Number
medium
Trace a Word on a Letter Board
medium
Best Path Sum in a Tree
hard