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Different Consecutive Characters

CodeChefRating 879Open on judge ↗

Chef has a binary string $S$ of length $N$. Chef can perform the following operation on $S$: - Insert any character ($0$ or $1$) at any position in $S$. Find the minimum number of operations Chef needs to perform so that no two consecutive characters are same in $S$. ### Input - The first line contains a single integer $T$ — the number of test cases. Then the test cases follow. - The first line

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solution.cppC++17

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