Ratlo
Patterns
Companies
Exams
Dashboard
Features
Login
Get started
← Back to Mastercard
Array
11 questions
All (11)
Easy (5)
Medium (5)
Hard (1)
1
Two Sum
Easy
Array
Hash Table
Solve →
2
Two Sum
Easy
Array
Hash Table
Solve →
3
Best Time to Buy and Sell Stock
Easy
Array
Dynamic Programming
Solve →
4
Two Sum
Easy
Array
Hash Table
Solve →
5
Best Time to Buy and Sell Stock
Easy
Array
Dynamic Programming
Solve →
6
Subsets
Medium
Array
Backtracking
Bit Manipulation
Solve →
7
Container With Most Water
Medium
Array
Two Pointers
Greedy
Solve →
8
Rotate Image
Medium
Array
Math
Matrix
Solve →
9
Candy
Hard
Array
Greedy
Solve →
10
Gas Station
Medium
Array
Greedy
Solve →
11
Coin Change
Medium
Array
Dynamic Programming
Breadth-First Search
Solve →