Help Harry Potter

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Harry Potter has been very busy fighting dementors in Hogwarts. He wants Hagrid to find him a new flying broom. But Hagrid will only help Harry Potter if he will solve this problem: There is a string $S$ with all Uppercase English Letters. You have to concatenate and print all the characters which are present in the odd positions in the string. But be careful, as it is 1-based Indexing. ### In

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solution.cppC++17

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