Determine the first non-repeated character in a word. For example, in abbcaf it should return c. Do this in O(n) time with O(1) space.
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Find the first non-repeating character in a string
Given an array, put all repeated characters together.
Write a program to reverse words in a string
A bunch of shapes with patterns, like Tetris and you are required to find the next shape in the puzzle sequence
Write a query to get the required data regarding employees.
generating prime number
A big project for 4 teams each with 3 people to do.
1. find-all-anagrams-in-a-string 2. find common ancestor for a n-ary tree These two questions have to use JAVA to solve.
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