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Hi,
I am working on implementation of a hash table.

In a given string I have to find the first word which is not repeated in the string.

Now as a hash function I am simply using atoi(str).
...

I want to do this using hash tables....

I want to write an efficient function to find first non-repeated character in a string. For instance, the non repeated character in "total" is 'o' and the first non repeated character in "teeter" is...