FIRST AND LAST

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A kid is playing with English alphabet blocks. You are curious and have started observing his game. He has all the alphabets and many blocks of the same alphabet. He is picking a few blocks and rearranging those blocks. On close observation you understood that his game has these rules: $~$ 1. He chooses a set of blocks to play with. 2. First to Last: He takes the first letter and places that th

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solution.cppC++17

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