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December 22, 2015 13:19
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public boolean inUnique(string str) { | |
boolean[] chars = new boolean[256]; // Size only works with ASCII, increase otherwise. | |
for(int i=0; i<str.size(); i++){ | |
if(chars[str.charAt(i)]) return false; | |
chars[str.charAt(i)] = true; | |
} | |
return true; | |
} |
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