Hi, I aspire to become candidate master on codeforces. Is solving problems from A2OJ ladders a good idea? I'm wondering because some problems are like 10 years old and I believe the difficulty level of a particular rating would have been increased
Is A2OJ useful in 2021?
Hi, I aspire to become candidate master on codeforces. Is solving problems from A2OJ ladders a good idea? I'm wondering because some problems are like 10 years old and I believe the difficulty level of a particular rating would have been increased