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7 questions
1vote
2answers
187views
Select nth smallest distinct integer from inputs
Kata in question Given a list of integers, return the nth smallest integer in the list. Only distinct elements should be considered when calculating the answer. n will always be positive (n > 0) ...
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 ...
1vote
1answer
344views
Verify that each named sequence is strictly increasing
The master launch sequence consists of several independent sequences for different systems. Your goal is to verify that all the individual system sequences are in strictly increasing order. In other ...
6votes
2answers
3kviews
Minimum swaps algorithm terminated due to timeout
I have been trying to solve this question. Given an unordered array consisting of consecutive integers [1, 2, 3, …, n], find the minimum number of two-element swaps to sort the array. I was able ...
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 ...
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 ...
3votes
1answer
690views
SPOJ GENERAL: sorting by swaps of distance k
I have been trying to solve this simple problem on SPOJ for quite some time now, but I keep on getting TLE (Time limit exceeded) for some reason. Since the problem is in Portuguese, a brief ...