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3 questions
5votes
2answers
520views
Frequency Queries (Hackerrank)
This is the problem: You are given queries. Each query is of the form two integers described below: 1 x: Insert x in your data structure. 2 y: Delete one occurrence of y from your data ...
7votes
1answer
1kviews
Code Challenge: Catching Car Mileage Numbers - 4 kyu Kata from CodeWars
Challenge Story: "7777...8?!??!", exclaimed Bob, "I missed it again! Argh!" Every time there's an interesting number coming up, he notices and then promptly forgets. Who doesn't like catching ...
-2votes
3answers
1kviews
Find first non repeated character in the string
Given a string, write a program to find the first non repeated character in the string. Assume that the given string only contains ASCII chars. Examples can be ...
- 5,137
