Chef and Dolls

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Chef is fan of pairs and he likes all things that come in pairs. He even has a doll collection in which the dolls come in pairs. One day while going through his collection he found that there are odd number of dolls. Someone had stolen a doll!!! Help chef find which type of doll is missing.. Input The first line contains an integer T, the number of test cases. The first line of each test case

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solution.cppC++17

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