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Update 2 Codeforces problems with different difficulty everyday except Sunday in the file
daily_problems/${YYYY}/${MM}/${MMDD}/problems.mdwith hints. -
Update the solution to at least 1 of the 2 problems in the file
daily_problems/${YYYY}/${MM}/${MMDD}/solution/${problem_code}.md. -
Categorize the problems by their used methods in the file
categories/${method}.md.
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Upload your solution in the folder:
daily_problems/${YYYY}/${MM}/${MMDD}/personal_submission. -
Remember to name your submission code file
${problem_code}_{your_name}.{py/cpp/...}.
Here are the current statistics of submissions: Link.
| Difficulty | Problems | Hints | Solution |
|---|---|---|---|
| 1800 | CF1148D | If you want to satisfy the first condition, what should you want in a chosen pair? Group the pairs by this and try a greedy approach to construct the final answer | Editorial |
| 1900 | CF739B | The controlling points clearly form a segment in the tree. You just need to find the endpoint. | Editorial |