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Finding the Angle Between the Hands of a Clock

Finding the Angle Between the Hands of a Clock

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Comments 2
5 min read
Understanding the Competitive Programming problems

Understanding the Competitive Programming problems

6
Comments
5 min read
Delete Node in a Linked List(in-place)

Delete Node in a Linked List(in-place)

5
Comments
1 min read
The Word Pattern Algorithm: How to Test if a String Follows a Pattern

The Word Pattern Algorithm: How to Test if a String Follows a Pattern

12
Comments 1
5 min read
Is this Number the Sum of Two Square Integers? Solving The Sum of Squares Algorithm Two Ways

Is this Number the Sum of Two Square Integers? Solving The Sum of Squares Algorithm Two Ways

8
Comments
4 min read
Turning 38 into 2: How to Solve the Add Digits Problem

Turning 38 into 2: How to Solve the Add Digits Problem

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Comments 7
5 min read
The Gauss Sum, and Solving for the Missing Number

The Gauss Sum, and Solving for the Missing Number

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Comments 2
3 min read
The Climbing Staircase Problem: How to Solve It, and Why the Fibonacci Numbers are Relevant

The Climbing Staircase Problem: How to Solve It, and Why the Fibonacci Numbers are Relevant

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Comments 10
5 min read
Transposing and Reversing: How to Rotate a 2D Matrix 90 Degrees

Transposing and Reversing: How to Rotate a 2D Matrix 90 Degrees

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Comments 2
6 min read
Not an "Easy" Algorithm: Rotating an Array, Three Ways

Not an "Easy" Algorithm: Rotating an Array, Three Ways

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Comments 19
11 min read
Searching an Array, Two Ways

Searching an Array, Two Ways

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Comments 3
6 min read
Sudoku Part I: Is the Board Valid?

Sudoku Part I: Is the Board Valid?

10
Comments
9 min read
The Longest Palindromic Substring: Solving the Problem Using Constant Space

The Longest Palindromic Substring: Solving the Problem Using Constant Space

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Comments 5
14 min read
Container with Most Water

Container with Most Water

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Comments 4
5 min read
Don't Underestimate the Two Pointers: Removing the N-th Node from the End of a Linked List

Don't Underestimate the Two Pointers: Removing the N-th Node from the End of a Linked List

11
Comments
5 min read
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