All Questions
11 questions
1vote
0answers
23views
Determine top t values with few calls to order(), a given procedure to order k values, Java take 2
My 2nd take of the problem in Determine top t values with few calls to order(), a given procedure to order k values: Given an array and a procedure to order \$k\$ ...
- 7,189
0votes
2answers
608views
Pancake sort inteview using java
Given an array of integers arr: Write a function flip(arr, k) that reverses the order of the first k elements in the array <...
5votes
1answer
6kviews
Sort a given string in ascending order
This code sort the string below in ascending order. I'd prefer it split-up in two or three smaller, simpler methods. I'm also wondering whether my algorithm has a decent time complexity. Given string ...
- 405
1vote
1answer
2kviews
Closest Numbers
Online coding challenge Hacker Rank. Given a list of unsorted integers, find the pair of elements that have the smallest absolute difference between them? If there are multiple pairs, find them all. <...
- 5,137
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 ...
- 455
3votes
1answer
1kviews
Printing longest lines
Challenge Write a program which reads a file and outputs a specified number of lines, sorted on length in descending order. Specifications The first argument is a path to a file. The file contains ...
- 9,839
3votes
3answers
2kviews
Hackerrank Insertion Sort Part 2
I have started learning Java recently and was looking into the challenges on sorting on Hackerrank.I solved the following problemHackerrank on Insertion Sort. The challenge was : In Insertion Sort ...
7votes
2answers
2kviews
Project Euler 22: Names scores
Description of challenge: Using names.txt (right click and 'Save Link/Target As...'), a 46K text file containing over five-thousand first names, begin by sorting it into alphabetical order. Then ...
- 9,476
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, ...
- 310
1vote
4answers
383views
Finding the second largest element of large input sets
I have a problem where I need to find the second maximum element of the user inputs. It's an online practice problem and I can't figure out why the server responds back with a Non-Zero Exit Code error ...
8votes
4answers
27kviews
Arranging words in sentences alphabetically
For an online contest whose problem is here, I wrote some code. In this problem the input will consist of a number of lines of English text consisting of the letters of the English alphabet, the ...
- 1,466
