hackerrank exercises link
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## Implement an algorithm to determine if a S has all unique characters. What if you can't use additional data structures
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## Implement an algorithm to determine if a S has all unique characters. What if you can't use additional data structures
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example: s = "abdceb"
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> example: s = "abdceb"
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## 1.1.1. First idea
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## 1.1.1. First idea
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@ -48,4 +48,8 @@ String joinWords(String[] words) {
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}
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}
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return sentence.toString();
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return sentence.toString();
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}
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}
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```
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```
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## Hackerrank exercises
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[Hackerrank string exercises](https://www.hackerrank.com/domains/algorithms?filters%5Bsubdomains%5D%5B%5D=strings)
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