The Dice Probability Trick 🎲 | Codeforces 9A Die Roll | Beginner to Grandmaster Day 13
Автор: CodeOrbit
Загружено: 2026-03-05
Просмотров: 6
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Day 13 of my journey from Beginner to Grandmaster on Codeforces 🚀
In this video I solve Codeforces Problem 9A – Die Roll, a classic beginner problem that introduces probability, fractions, and using GCD to simplify results.
At first glance it looks tricky, but there is a simple mathematical trick to solve it efficiently.
Topics covered in this video:
• Basic probability
• Counting favorable outcomes
• Fraction simplification
• Euclidean Algorithm (GCD)
• Clean C++ implementation
If you're starting competitive programming, this series will help you learn step-by-step while solving real Codeforces problems.
Problem Link: https://codeforces.com/problemset/pro...
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