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Difficulty
Videos
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Divide Two Integers
medium
-
adobe
amazon
apple
+8 more
Add Two Numbers represented as Linked List in Reversed Order
medium
-
adobe
aetion
airbnb
+34 more
Reverse Integer
medium
-
adobe
amazon
apple
+12 more
Palindrome Number
easy
adobe
amazon
apple
+8 more
Integer To Roman
medium
-
adobe
amazon
apple
+13 more
Roman To Integer
easy
adobe
amazon
apple
+11 more
Multiply Strings
medium
-
amazon
apple
expedia
+11 more
Rotate n x n matrix by 90 degrees
medium
2
adobe
akuna-capital
amazon
+17 more
Implement Power Function 1
medium
-
adobe
amazon
apple
+12 more
Kth Permutation Sequence of Numbers 1 to N
hard
-
amazon
apple
facebook
+4 more
Unique Paths in Grid 1 - Count all paths moving right or down
medium
adobe
alibaba
amazon
+11 more
Plus One 1 - Given number as array plus one
easy
-
adobe
amazon
apple
+7 more
Add Binary Strings
easy
-
adobe
amazon
apple
+4 more
Square root of an integer
easy
-
amazon
apple
bloomberg
+9 more
Climbing Stairs - Take atmost 2 Steps
easy
adobe
alibaba
amazon
+15 more
Gray Code
medium
-
amazon
apple
microsoft
Unique BSTs 1 - Count
medium
-
adobe
amazon
apple
+7 more
Maximum Points on a Line
hard
-
amazon
apple
bloomberg
+8 more
Evaluate Reverse Polish Notation
medium
-
amazon
atlassian
facebook
+10 more
Fraction to Recurring Decimal
medium
-
airbnb
amazon
apple
+8 more
Excel Sheet Column Number
easy
-
amazon
apple
bloomberg
+6 more
Number of trailing zeros in a factorial
medium
-
amazon
bloomberg
facebook
+2 more
Rotate an Array to Right
medium
-
amazon
bloomberg
cisco
+7 more
Happy Number
easy
-
adobe
airbnb
amazon
+13 more
Count Primes
medium
-
adobe
amazon
apple
+11 more
Basic Calculator 1
hard
-
adobe
amazon
bloomberg
+13 more
Basic Calculator 2 Problem
medium
-
airbnb
amazon
apple
+18 more
Power of Two
easy
-
amazon
apple
google
+2 more
Number of Digit One
hard
-
amazon
apple
Different Ways to Add Parentheses
medium
-
amazon
cisco
citadel
+2 more
Generate nth ugly number
medium
-
amazon
oracle
uber
+1 more
Missing Number
easy
adobe
amazon
apple
+10 more
Integer to English Words
hard
amazon
apple
barclays
+22 more
Least Number of Perfect Squares that Sums to n
medium
-
adobe
amazon
apple
+11 more
Best Meeting Point
hard
-
amazon
facebook
google
+3 more
Bulb Switcher
medium
-
amazon
facebook
mathworks
Self Crossing
hard
-
amazon
google
Line Reflection
medium
-
amazon
google
Largest Divisible Subset
medium
-
adobe
amazon
google
Water and Jug
medium
-
amazon
google
lyft
+2 more
Valid Perfect Square
easy
-
amazon
facebook
google
+2 more
Plus One 2 - Given number as Linked List plus one
medium
-
amazon
google
Sum of Two Integers
medium
amazon
apple
facebook
+2 more
Insert Delete Search and GetRandom in Constant Time 1 - Dupes not allowed
medium
-
adobe
affirm
amazon
+25 more
Insert Delete Search and GetRandom in Constant Time 2 - Duplicates allowed
hard
-
affirm
amazon
apple
+7 more
Linked List Random Node
medium
-
amazon
facebook
google
Shuffle an Array
medium
-
amazon
apple
bloomberg
+9 more
Elimination Game
medium
-
amazon
bloomberg
quora
Rotate Function
medium
-
amazon
Fizz Buzz
easy
-
adobe
amazon
apple
+10 more
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