Daily_CF_Problems

Main Activities (Daily)

• Update 2 Codeforces problems with different difficulty everyday except Sunday in the file daily_problems/${YYYY}/${MM}/${MMDD}/problems.md with hints.

• Update the solution to at least 1 of the 2 problems in the file daily_problems/${YYYY}/${MM}/${MMDD}/solution/${problem_code}.md.

• Categorize the problems by their used methods in the file categories/${method}.md.

How to join

• Upload your solution in the folder: daily_problems/${YYYY}/${MM}/${MMDD}/personal_submission.

• Remember to name your submission code ${problem_code}_{your_name}.{py/cpp/...}

Today's Problem

Difficulty	Problems	Hints	Solution
1600	CF780B	Classic problem. How can you check whether they can gather or not?	Editorial
2100	CF576B	Construct a graph using the permutation. For the final tree, construct an edge first, what edges should it produce? Summarize and find the necessary conditions.	Editorial