Challenges
Number Pyramid in Python — With Code, Output & Explanation
Print the number pyramid pattern in Python. Complete working code, expected output, algorithm explanation, and practice variations for beginners learning loops.
November 16, 2025
Number Pyramid in Swift — With Code, Output & Explanation
Print the number pyramid pattern in Swift. Complete working code, expected output, algorithm explanation, and practice variations for beginners learning loops.
November 16, 2025
Maximum Subarray in Dart — Kadane's Algorithm (Optimal) & More
Solve Maximum Subarray in Dart with working code. Kadane's Algorithm (Optimal) approach with O(n) time, plus complexity analysis and interview tips.
October 23, 2025
Maximum Subarray in Go — Kadane's Algorithm (Optimal) & More
Solve Maximum Subarray in Go with working code. Kadane's Algorithm (Optimal) approach with O(n) time, plus complexity analysis and interview tips.
October 23, 2025
Maximum Subarray in Python — Kadane's Algorithm (Optimal) & More
Solve Maximum Subarray in Python four ways — Kadane's O(n) algorithm, brute force, divide-and-conquer, and index tracking — with interview tips.
October 23, 2025
Maximum Subarray in Swift — Kadane's Algorithm (Optimal) & More
Solve Maximum Subarray in Swift with working code. Kadane's Algorithm (Optimal) approach with O(n) time, plus complexity analysis and interview tips.
October 23, 2025
Letter Diamond in Dart — With Code, Output & Explanation
Print the letter diamond pattern in Dart. Complete working code, expected output, algorithm explanation, and practice variations for beginners learning loops.
September 01, 2025
Letter Diamond in Go — With Code, Output & Explanation
Print the letter diamond pattern in Go. Complete working code, expected output, algorithm explanation, and practice variations for beginners learning loops.
September 01, 2025
Letter Diamond in Python — With Code, Output & Explanation
Print the letter diamond pattern in Python. Complete working code, expected output, algorithm explanation, and practice variations for beginners learning loops.
September 01, 2025
Letter Diamond in Swift — With Code, Output & Explanation
Print the letter diamond pattern in Swift. Complete working code, expected output, algorithm explanation, and practice variations for beginners learning loops.
September 01, 2025
Hollow Square Star in Dart — With Code, Output & Explanation
Print the hollow square star pattern in Dart. Complete working code, expected output, algorithm explanation, and practice variations for beginners learning loops.
July 31, 2025
Hollow Square Star in Go — With Code, Output & Explanation
Print the hollow square star pattern in Go. Complete working code, expected output, algorithm explanation, and practice variations for beginners learning loops.
July 31, 2025