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Given a string containing [a-z] or [A-Z] and with the length of at least 1, return the smallest character inside the string. We define the smallest character as a character with the lowest corresponding ASCII code. minChar("aBcA") → "A" minChar("hello") → "e" minChar("HI") → "H" ...Save, Compile, Run (ctrl-enter) |
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Difficulty: 100
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