Educational Codeforces Round 135
Original link: https://www.shuizilong.com/house/archives/educational-codeforces-round-135/ https://codeforces.com/contest/1728 https://zhuanlan.zhihu.com/p/562734265 Problem D. Letter Picking Interval game dp, state f[][], but simpler than general game dp, transition trivial. First of all, we can bind the two rounds of operations together to transfer, as long as the state with an even length is considered, and there is no need to record what […]
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