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
Write a query to get the required data regarding employees.
generating prime number
Take a number like 1234 Write a code to get the next number using the same set of numbers used in 1234. Like 1234 and the next number must be 1243 and so on
A big project for 4 teams each with 3 people to do.
aaabbbbbaccc give the count of each strig
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