CareerCup

目录

Chapter 1 | Arrays and Strings

1.1  Implement an algorithm to determine if a string has all unique characters. What if you can not use additional data structures?

1.2 Write code to reverse a C-Style String. (C-String means that “abcd” is represented as five characters, including the null character.)

1.3 Design an algorithm and write code to remove the duplicate characters in a string without using any additional buffer NOTE: One or two additional variables are fine An extra copy of the array is not FOLLOW UP

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