2024-04-13 ABC349 ■A - Zero Sum Game 難読総和*-1 ■B - Commencement mapで適当に ■C - Airport Code 耳dp ■D - Divide Interval セグ木 ■E - Weighted Tic-Tac-Toe 難実装 ■F - Subsequence LCM O(4^n)のdp 高速ゼータして高速メビウスでもOK ■G - Palindrome Construction manacher