문제<\/h2>
Recently Deltaforces, a famous competitive programming website, added a lot of new visual information to user profiles. In particular, there is a maximum day streak --- the maximum number of days in a row with at least one problem solved. You decided that the maximum day streak in your profile does not accurately represent your training efforts. So you came up with a thought --- what if you could change the time zone in your profile to increase the maximum day streak?<\/p>
Let's formalize this setting as follows. Suppose you have solved $n<\/mi><\/mrow>n<\/math><\/span><\/span> n<\/span><\/span><\/span><\/span> problems, and the i<\/mi><\/mrow>i<\/math><\/span><\/span> i<\/span><\/span><\/span><\/span>-th problem was solved at time a<\/mi>i<\/mi><\/msub><\/mrow>a_i<\/math><\/span><\/span> a<\/span> <\/span> i<\/span><\/span><\/span><\/span> <\/span><\/span> <\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>. There are m<\/mi><\/mrow>m<\/math><\/span><\/span> m<\/span><\/span><\/span><\/span> time zones, numbered from$

Day Streak