We will hold AtCoder Regular Contest 223.
- Contest URL: https://atcoder.jp/contests/arc223
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260628T2100&p1=248
- Duration: 120 minutes
- Writer: vwxyz0
- Tester: Nyaan, maspy
- Rated range: 1200 ~ 2799
- Point Values: 400-500-500-600-700-800
We are looking forward to your participation!
Nice Contest!
E has many details on the implementation, and F is just totally a template problem of divide and conquer + NTT, similar to https://atcoder.jp/contests/keyence2021/tasks/keyence2021_f. When can we return to the good old days with Atcoder-style constructive, ad-hoc and light implementation problems?
Ideas on first question? Any better ways to handle other than bound check and knapsack