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code_segments/segment_92.txt

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+You are given a string $s$ consisting of lowercase Latin characters. Count the number of nonempty strings $t \neq$ "$\texttt{a}$" such that it is possible to partition$^{\dagger}$ $s$ into some substrings satisfying the following conditions:
+
+  * each substring either equals $t$ or "$\texttt{a}$", and    * at least one substring equals $t$. 
+
+$^{\dagger}$ A partition of a string $s$ is an ordered sequence of some $k$ strings $t_1, t_2, \ldots, t_k$ (called substrings) such that $t_1 + t_2 + \ldots + t_k = s$, where $+$ represents the concatenation operation.
+
+The first line contains a single integer $t$ ($1 \leq t \leq 10^4$) — the number of test cases.
+
+The only line of each test case contains a string $s$ consisting of lowercase Latin characters ($2 \leq |s| \leq 2 \cdot 10^5$).
+
+The sum of $|s|$ over all test cases does not exceed $3 \cdot 10^5$.
+
+For each test case, output a single integer — the number of nonempty strings $t \neq$ "$\texttt{a}$" that satisfy all constraints.
+
+In the first test case, $t$ can be "$\texttt{aa}$", "$\texttt{aaa}$", "$\texttt{aaaa}$", or the full string.
+
+In the second test case, $t$ can be "$\texttt{b}$", "$\texttt{bab}$", "$\texttt{ba}$", or the full string.
+
+In the third test case, the only such $t$ is the full string.