Race to White

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A Wall is divided into some strips, and each strip is painted either **Black or White**. In other words, a **String S** is given consisting of characters **B** or **W**. The Character at i-th position indicates the colour of the i-th strip of the Wall **(B for Black, W for White)**. Chef wants to colour the wall in such a way that **all the strips are of White colour**. Chef can do one of these t

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solution.cppC++17

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