Codeforces Round 1030 (Div. 2) A-C题解
A. Equal Subsequences We call a bitstring$^{\text{∗}}$ perfect if it has the same number of $\mathtt{101}$ and $\mathtt{...
Codeforces
A. Equal Subsequences We call a bitstring$^{\text{∗}}$ perfect if it has the same number of $\mathtt{101}$ and $\mathtt{...
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