18 Dec · Robert Eisele
Misc Puzzles
Competitive programming is a focused way to sharpen algorithmic thinking. These are worked solutions — not shortcuts, but walkthroughs of the ideas, trade-offs, and optimizations that lead to efficient answers.
Contents
- Advent calendar motifs
- An interesting Limit
- Cracking Apple Interview Question
- Division with remainder
- Find the Parity of the Sum of floor(n/k) from k=1 to n
- Inscribed Squares
- Number Guessing
- Pre-School Math Problem
- Probability to win in a Tombola
- Solution to the Water Jug Problem
- Solve exponential equation \(6^x + 4^x = 9^x\)
- Solve exponential equation \(x^y = y^x\)
- Sum of Digit-Sums between one and a million
- The rope around the equator
- Three Digits Number
- Tipping Point Problem