All Questions
9 questions
2
votes
1
answer
107
views
Propagation in grid
Can I do it with a lower Big O / better code? How can I improve this solution?
Task:
Let's assume we have a array like this:
1 0 0 1 0
0 0 0 0 0
0 0 0 1 0
0 0 0 0 0
1 0 0 0 0
...
- 29
2
votes
3
answers
2k
views
Given a sorted array nums, remove the duplicates in-place
I wrote an algorithm to solve this challenge but would love some feedback on its efficiency and, if you were an interviewer, what your opinion would be on my solution. I believe my time complexity is \...
- 375
2
votes
1
answer
194
views
Let us schedule a meeting
Description:
Write a method mergeMeetings() that takes a list of multiple meeting time ranges and returns a list of condensed ranges. The integers represent the number of 30-minute blocks past 9:00am....
- 5,127
3
votes
1
answer
210
views
Reverse singly linked list
Description:
Given a linked list reverse it and return the new head.
Code:
...
- 5,127
0
votes
3
answers
2k
views
Move last node of the linked list to the front
Description:
Given a linked list move the last node to the front.
For example:
10 20 30 40 -> 40 10 20 30
Code:
...
- 5,127
3
votes
1
answer
674
views
Check if two strings are permutations of each other
Description:
Given two strings check if those two are permutation of each other. Its expected that input string can contain ASCII characters.
Code:
...
- 5,127
0
votes
1
answer
176
views
Pascal Triangle c# code space complexity
can you give me your impression of my implementation of Pascal triangle problem?
I'm especially interested in space complexity evaluation
thank you all!
...
- 3
7
votes
3
answers
8k
views
Find K biggest numbers in the array
I was trying to implement method number 2, from this article.
Method 2 (Use temporary array) K largest elements from arr[0..n-1]
Store the first k elements in a temporary array temp[0..k-1]....
- 5,253
4
votes
2
answers
7k
views
Insert node in sorted doubly linked list
Description:
Given a reference to the head of a doubly-linked list and an integer,
create a new Node object having data value and insert it into a
sorted linked list.
Code:
...
- 5,127