There's has been dfs and dp problems more frequent on div#2 C than before. Would you consider suggesting those ( graphs and dps ) to the people who haven't been able to reach "Expert" ?
posting issues
Should a person need to learn graphs and dps to reach Expert ?
There's has been dfs and dp problems more frequent on div#2 C than before. Would you consider suggesting those ( graphs and dps ) to the people who haven't been able to reach "Expert" ?