Solutions and Discussion: Codeforces Round 1047 (Div. 3) — Problems A to G

Revision en2, by ambarmishra19, 2025-09-07 20:37:48

Welcome to my comprehensive write-up of Codeforces Round 1047 (Div. 3)!

This blog covers my detailed solutions and thoughts on problems A through G.


Problems Covered:

Problem Name Short Description
A Collatz Conjecture Simulating the Collatz sequence steps
B Fun Permutation Constructing a specific permutation
C Maximum Even Sum Choosing elements to maximize an even sum
D Replace With Occurrences Frequency-based replacement in an array
E Mexification Minimizing array changes to maintain MEX property
F Prefix Maximum Invariance Analyzing prefix max value invariance
G Crimea River Graph/interval problem-solving

Code Repository:

All my solutions in Java are hosted on GitHub:
https://github.com/AmbarMishra973/Codeforces-Contest-Solutions/tree/main/Codeforces%20Round-1047%20Division-3

Feel free to check out the code, ask questions, or suggest improvements!


Discussion:

For any questions or alternative approaches, please comment below or join the discussion on GitHub:
https://github.com/AmbarMishra973/Codeforces-Contest-Solutions/discussions/2


Thank you for reading! Happy coding and best of luck with your practice!

Tags div3, java, solutions

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en2 English ambarmishra19 2025-09-07 20:37:48 94
en1 English ambarmishra19 2025-09-07 20:27:43 1706 Initial revision (published)