3223. Minimum Length of String After Operations

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You are given a string s. You can perform the following process on s any number of times: - Choose an index i in the string such that there is at least one character to the left of index i that is equal to s[i], and at least one character to the right that is also equal to s[i]. - Delete the closest occurrence of s[i] located to the left of i. - Delete the closest occurrence of s[i] located to

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solution.cppC++17

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