Make your practice count.Sign in to track completed questions across devices. Everything is free to browse.

Interview question tracker

Yandex SDE 1

The 50 highest-frequency questions from all time. Finish the strongest signals first.

One question at a time.

Top questions 50

Done	Question	LeetCode
Mark Longest Subarray of 1's After Deleting One Element completed	Longest Subarray of 1's After Deleting One Element	Solve
Mark Maximize Distance to Closest Person completed	Maximize Distance to Closest Person	Solve
Mark Summary Ranges completed	Summary Ranges	Solve
Mark Longest Substring Without Repeating Characters completed	Longest Substring Without Repeating Characters	Solve
Mark Find K Closest Elements completed	Find K Closest Elements	Solve
Mark String Compression completed	String Compression	Solve
Mark Valid Palindrome II completed	Valid Palindrome II	Solve
Mark Subarray Sum Equals K completed	Subarray Sum Equals K	Solve
Mark Merge Intervals completed	Merge Intervals	Solve
Mark Move Zeroes completed	Move Zeroes	Solve
Mark Isomorphic Strings completed	Isomorphic Strings	Solve
Mark Line Reflection completed	Line Reflection	Solve
Mark One Edit Distance completed	One Edit Distance	Solve
Mark Valid Palindrome completed	Valid Palindrome	Solve
Mark Insert Delete GetRandom O(1) completed	Insert Delete GetRandom O(1)	Solve
Mark Find All Anagrams in a String completed	Find All Anagrams in a String	Solve
Mark Longest Strictly Increasing or Strictly Decreasing Subarray completed	Longest Strictly Increasing or Strictly Decreasing Subarray	Solve
Mark Longest Palindromic Substring completed	Longest Palindromic Substring	Solve
Mark Number of Islands completed	Number of Islands	Solve
Mark Find the Prefix Common Array of Two Arrays completed	Find the Prefix Common Array of Two Arrays	Solve
Mark Permutation in String completed	Permutation in String	Solve
Mark Two Sum completed	Two Sum	Solve
Mark Squares of a Sorted Array completed	Squares of a Sorted Array	Solve
Mark Group Anagrams completed	Group Anagrams	Solve
Mark Interval List Intersections completed	Interval List Intersections	Solve
Mark Trapping Rain Water completed	Trapping Rain Water	Solve
Mark Design an ATM Machine completed	Design an ATM Machine	Solve
Mark Merge Sorted Array completed	Merge Sorted Array	Solve
Mark Merge Two Sorted Lists completed	Merge Two Sorted Lists	Solve
Mark Valid Parentheses completed	Valid Parentheses	Solve
Mark Find Duplicate Subtrees completed	Find Duplicate Subtrees	Solve
Mark Is Subsequence completed	Is Subsequence	Solve
Mark Binary Tree Right Side View completed	Binary Tree Right Side View	Solve
Mark Max Consecutive Ones III completed	Max Consecutive Ones III	Solve
Mark Min Stack completed	Min Stack	Solve
Mark Product of Array Except Self completed	Product of Array Except Self	Solve
Mark Symmetric Tree completed	Symmetric Tree	Solve
Mark Lowest Common Ancestor of a Binary Tree completed	Lowest Common Ancestor of a Binary Tree	Solve
Mark Container With Most Water completed	Container With Most Water	Solve
Mark LRU Cache completed	LRU Cache	Solve
Mark Merge k Sorted Lists completed	Merge k Sorted Lists	Solve
Mark Reconstruct Itinerary completed	Reconstruct Itinerary	Solve
Mark Search in Rotated Sorted Array completed	Search in Rotated Sorted Array	Solve
Mark Binary Tree Maximum Path Sum completed	Binary Tree Maximum Path Sum	Solve
Mark Count Substrings Without Repeating Character completed	Count Substrings Without Repeating Character	Solve
Mark Design Hit Counter completed	Design Hit Counter	Solve
Mark Longest Substring with At Most K Distinct Characters completed	Longest Substring with At Most K Distinct Characters	Solve
Mark Median of Two Sorted Arrays completed	Median of Two Sorted Arrays	Solve
Mark Generate Parentheses completed	Generate Parentheses	Solve
Mark Maximum Subarray completed	Maximum Subarray	Solve

Showing the 50 highest-frequency questions from 131 reported in this period.