Problem Solving - Algorithms

Subdomain: Warmup

#	Title	Max Score	Solution	Difficulty
1	Solve Me First	1	Solution.swift	💚 Easy
2	Simple Array Sum	10	Solution.swift	💚 Easy
3	Compare the Triplets	10	Solution.swift	💚 Easy
4	A Very Big Sum	10	Solution.swift	💚 Easy
5	Diagonal Difference	10	Solution.swift	💚 Easy
6	Plus Minus	10	Solution.swift	💚 Easy
7	Staircase	10	Solution.swift	💚 Easy
8	Mini-Max Sum	10	Solution.swift	💚 Easy
9	Birthday Cake Candles	10	Solution.swift	💚 Easy
10	Time Conversion	15	Solution.swift	💚 Easy

Subdomain: Implementation

#	Title	Max Score	Solution	Difficulty
1	Grading Students	10	Solution.swift	💚 Easy
2	Apple and Orange	10	Solution.swift	💚 Easy
3	Number Line Jumps	10	Solution.swift	💚 Easy
4	Between Two Sets	10	Solution.swift	💚 Easy
5	Breaking the Records	10	Solution.swift	💚 Easy
6	Subarray Division	10	Solution.swift	💚 Easy
7	Divisible Sum Pairs	10	Solution.swift	💚 Easy
8	Migratory Birds	10	Solution.swift	💚 Easy
9	Day of the Programmer	15	Solution.swift	💚 Easy
10	Bill Division	10	Solution.swift	💚 Easy
11	Sales by Match	10	Solution.swift	💚 Easy
12	Drawing Book	10	Solution.swift	💚 Easy
13	Counting Valleys	15	Solution.swift	💚 Easy
14	Electronics Shop	15	Solution.swift	💚 Easy
15	Cats and a Mouse	15	Solution.swift	💚 Easy
16	Forming a Magic Square	20	Solution.swift	💛 Medium
17	Picking Numbers	20	Solution.swift	💚 Easy
18	Climbing the Leaderboard	20	Solution.swift	💛 Medium
19	The Hurdle Race	15	Solution.swift	💚 Easy
20	Designer PDF Viewer	20	Solution.swift	💚 Easy
21	Utopian Tree	20	Solution.swift	💚 Easy
22	Angry Professor	20	Solution.swift	💚 Easy
23	Beautiful Days at the Movies	15	Solution.swift	💚 Easy
24	Viral Advertising	15	Solution.swift	💚 Easy
25	Save the Prisoner!	15	Solution.swift	💚 Easy
26	Circular Array Rotation	20	Solution.swift	💚 Easy
27	Sequence Equation	20	Solution.swift	💚 Easy

Problem Solving - Data Structures

Subdomain: Arrays

#	Title	Max Score	Solution	Difficulty
1	Arrays - DS	10	Solution.swift	💚 Easy
2	2D Array - DS	15	Solution.swift	💚 Easy
3	Dynamic Array	15	Solution.swift	💚 Easy
4	Left Rotation	20	Solution.swift	💚 Easy
5	Sparse Arrays	25	Solution.swift	💛 Medium
6	Array Manipulation	60	Solution.swift	❤️ Hard

Subdomain: Linked Lists

#	Title	Max Score	Solution	Difficulty
1	Print the Elements of a Linked List	5	Solution.java	💚 Easy

30 Days of Code

#	Title	Max Score	Solution	Difficulty
1	Day 0: Hello, World.	30	Solution.swift	💚 Easy
2	Day 1: Data Types	30	Solution.swift	💚 Easy
3	Day 2: Operators	30	Solution.swift	💚 Easy
4	Day 3: Intro to Conditional Statements	30	Solution.swift	💚 Easy
5	Day 4: Class vs. Instance	30	Solution.swift	💚 Easy
6	Day 5: Loops	30	Solution.swift	💚 Easy
7	Day 6: Let's Review	30	Solution.swift	💚 Easy
8	Day 7: Arrays	30	Solution.swift	💚 Easy
9	Day 8: Dictionaries and Maps	30	Solution.swift	💚 Easy
10	Day 9: Recursion 3	30	Solution.swift	💚 Easy
11	Day 10: Binary Numbers	30	Solution.swift	💚 Easy
12	Day 11: 2D Arrays	30	Solution.swift	💚 Easy
13	Day 12: Inheritance	30	Solution.swift	💚 Easy
14	Day 13: Abstract Classes	30	Solution.java	💚 Easy
15	Day 14: Scope	30	Solution.swift	💚 Easy
16	Day 15: Linked List	30	Solution.swift	💚 Easy
17	Day 16: Exceptions - String to Integer	30	Solution.swift	💚 Easy
18	Day 17: More Exceptions	30	Solution.swift	💚 Easy
19	Day 18: Queues and Stacks	30	Solution.swift	💚 Easy
20	Day 19: Interfaces	30	Solution.java	💚 Easy
21	Day 20: Sorting	30	Solution.swift	💚 Easy
22	Day 21: Generics	30	Solution.swift	💚 Easy
23	Day 22: Binary Search Trees	30	Solution.swift	💚 Easy
24	Day 23: BST Level-Order Traversal	30	Solution.swift	💚 Easy
25	Day 24: More Linked Lists	30	Solution.swift	💚 Easy
26	Day 25: Running Time and Complexity	30	Solution.swift	💛 Medium
27	Day 26: Nested Logic	30	Solution.swift	💚 Easy
28	Day 27: Testing	30	Solution.java	💚 Easy
29	Day 28: RegEx, Patterns, and Intro to Databases	30	Solution.swift	💛 Medium
30	Day 29: Bitwise AND	30	Solution.swift	💛 Medium