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Given a string, return a new string where all adjacent or pairs of letters have been swapped. Given "abcd", return "badc". Ignore any leftover characters at the end. swap("abcd") → "badc" swap("fehgi") → "efgh" swap("wstihcreoo") → "switcheroo" ...Save, Compile, Run (ctrl-enter) |
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Difficulty: 100 Post-solution available
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