Advertisement
LeetCode Problems
Explore our complete collection of 2844 LeetCode problems with detailed solutions and explanations. Perfect for technical interview preparation and coding practice.
1456 problems found(filtered from 2844 total)
Showing page 1 of 49(1-30 of 1456)
Topics
Companies
Languages
002
Add Two Numbers
Medium
Linked ListMath+1
Accentur...Adobe+33
PythonJava+2
003
Longest Substring Without Repeating Characters
Medium
Hash TableString+1
AMDAccentur...+90
PythonJava+2
005
Longest Palindromic Substring
Medium
Two PointersString+1
Accentur...Accolite+71
PythonJava+2
006
Zigzag Conversion
Medium
String
AdobeAmazon+20
PythonJava+2
007
Reverse Integer
Medium
Math
Accentur...Adobe+20
PythonJava+2
008
String to Integer (atoi)
Medium
String
AdobeAmazon+14
PythonJava+2
011
Container With Most Water
Medium
ArrayTwo Pointers+1
Accentur...Accolite+48
PythonJava+2
012
Integer to Roman
Medium
Hash TableMath+1
Accentur...Adobe+33
PythonJava+2
015
3Sum
Medium
ArrayTwo Pointers+1
AMDAccentur...+62
PythonJava+2
016
3Sum Closest
Medium
ArrayTwo Pointers+1
AdobeAmazon+9
PythonJava+2
017
Letter Combinations of a Phone Number
Medium
Hash TableString+1
AdobeAmazon+32
PythonJava+2
018
4Sum
Medium
ArrayTwo Pointers+1
AdobeAmazon+18
PythonJava+2
019
Remove Nth Node From End of List
Medium
Linked ListTwo Pointers
AdobeAmazon+9
PythonJava+2
022
Generate Parentheses
Medium
StringDynamic Programming+1
AdobeAirtel+36
PythonJava+2
024
Swap Nodes in Pairs
Medium
Linked ListRecursion
AdobeAmazon+9
PythonJava+2
029
Divide Two Integers
Medium
MathBit Manipulation
AdobeAmazon+9
PythonJava+2
031
Next Permutation
Medium
ArrayTwo Pointers
Accentur...Adobe+29
PythonJava+2
034
Find First and Last Position of Element in Sorted Array
Medium
ArrayBinary Search
Accentur...Adobe+28
PythonJava+2
036
Valid Sudoku
Medium
ArrayHash Table+1
AdobeAmazon+28
PythonJava+2
038
Count and Say
Medium
String
AdobeAkuna Ca...+12
PythonJava+2
039
Combination Sum
Medium
ArrayBacktracking
AdobeAirbnb+25
PythonJava+2
040
Combination Sum II
Medium
ArrayBacktracking
AdobeAmazon+10
PythonJava+2
043
Multiply Strings
Medium
MathString+1
AdobeAmazon+10
PythonJava+2
045
Jump Game II
Medium
ArrayDynamic Programming+1
AdobeAgoda+28
PythonJava+2
046
Permutations
Medium
ArrayBacktracking
AdobeAmazon+22
PythonJava+2
047
Permutations II
Medium
ArrayBacktracking+1
AdobeAmazon+7
PythonJava+2
048
Rotate Image
Medium
ArrayMath+1
AMDAccentur...+31
PythonJava+2
049
Group Anagrams
Medium
ArrayHash Table+2
Accentur...Adobe+78
PythonJava+2
050
Pow(x, n)
Medium
MathRecursion
Accentur...Adobe+24
PythonJava+2
053
Maximum Subarray
Medium
ArrayDivide and Conquer+1
Accentur...Adobe+51
PythonJava+2
Page 1 of 49 (1456 problems)
...
💡 Ask me anything about coding!