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5votes
2answers
3kviews

Hackerrank "Almost Equal" solution

I've spent the best part of a day on this question. It is marked as Expert level. There are about fifteen submission test cases and my solution manages to satisfy the first four. However, from there ...
Mark Mc Adam's user avatar
3votes
1answer
1kviews

Sorting a 2-dimensional array with counting sort

The task I'm solving is: Sort a list by its keys Print out the corresponding values on one line separated by whitespace Replace the values of the first half of the input to "-" Use Counting Sort The ...
hooni's user avatar
4votes
1answer
1kviews

Repeated comparison of sorted subarrays

This question is from a recently concluded competition on Codechef. You are given an array A of size n, and there are ...
Ravi Chandra's user avatar
3votes
3answers
389views

Sorting and eliminating duplicates

From Hacker Earth: Problem Statement: Chotu's father is the owner of a Vada Pav shop. One Sunday, his father takes him to the shop. Father tells him that at the end of the day, Chotu has to give him ...
Kaushal28's user avatar
5votes
3answers
1kviews

Counting number of inversions

This is a HackerEarth Challenge Problem. Question: Puchi hates to carry luggage, but unfortunately he got a job to carry the luggage of his N friends in office. Each day, one of his N friends, ...
aakansha's user avatar

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