How to Find First Unique Character in a String?
Given a string (you may assume it is lowercase letters only), your task is to find out the first unique letter and return its index. If it does not …
Tag: static array
C/C++ Coding Exercise – Ransom Note (unordered_map or array)
Two strings are both lowercase letters. Write a function to determine if one string can be constructed using the letters from the other string. For example: canConstruct("aa", "ab") = …
