All Questions
Tagged with time-limit-exceeded c
51
questions
4
votes
2
answers
113
views
Delete a node in binary tree
Problem Statement
Given a root node reference of a BST and a key, delete the node with the given key in the BST. Return the root node reference (possibly updated) of the BST.
Basically, the deletion ...
- 121
4
votes
2
answers
789
views
LeetCode Daily Problem: Remove adjacent duplicated elements
I was doing an exercise from LeetCode in which consisted in repeatedly deleting any adjacent pairs of duplicate elements from a string, until there are only unique characters adjacent to each other.
...
6
votes
1
answer
590
views
HackerEarth challenge: Lunch boxes
I was solving the lunch boxes problem on HackerEarth but as I submitted my solution most of the test cases were passed and the rest showed 'Time Limit Exceeded'. I would be very grateful if you could ...
1
vote
2
answers
1k
views
How to do modulo thing fast (less execution time)
I was solving a question on a coding website and this website has a limit for execution time of code. My code takes 1.01 sec but the limit is 1 sec.
I am unable to find any changes in my code that ...
- 125
1
vote
3
answers
673
views
Finding n-th smallest Palindrome number (where 1<=n<=5000 and the palindrome number must have odd number of digits)
I am working on this code from 3 days from a website called Codechef, the code compiles, executes and even give correct results but my code is taking 1.01 sec, but the time limit for question is 1sec,...
- 125
1
vote
2
answers
257
views
Determine whether bitwise-OR of sub-array is odd
Problem:
Given an array A of N integers, you will be asked Q queries. Each query consists of two integers L and R. For each query, find whether bitwise OR of all the array elements between indices L ...
2
votes
1
answer
94
views
Permutation 1...N. Answer queries "How many numbers between [X,Y] position are in the interval [L,K]"?
So I am solving this task:
We have an permutation of the numbers 1..n.
I need to answer m queries:
-How many numbers between X-th and Y-th position are in the interval [L,K] (<=k and >= L)?
So my ...
- 121
1
vote
3
answers
588
views
Sum the largest five numbers
I'm doing a code-challenge problem:
Input
The first line consists of an integer T (T ≤ 100) which represents the number of test cases. Each test case consists of ...
- 189
3
votes
2
answers
235
views
Project Euler #7: Nth prime number
I was solving Project Euler #7 on Hackerrank
but for two cases, execution time is more than 2 sec.
Can you help with optimizing? I'm new to programming.
...
- 31
3
votes
1
answer
298
views
A* search on 4x4 sliding tile puzzle scales poorly
I am trying to improve the time complexity of my A* search algorithm and I have tried approaching this from every which way I believe is possible. I believe I may be doing something fundamentally ...
- 141
6
votes
3
answers
43k
views
Minimum number of swaps required to sort the array in ascending order
Here is my problem statement. An excerpt:
You are given an unordered array consisting of consecutive integers ∈ [1, 2, 3, ..., n] without any duplicates. You are ...
- 93
3
votes
1
answer
146
views
Program that finds prime numbers in a specific range
I'm kinda new to programming, and as a solution to an exercise, I made a program to find prime numbers in a range. It runs just right for small ranges of numbers, but for this exercise we are given a ...
- 31
3
votes
3
answers
385
views
Find k-distinct partitions which contain at least two perfect squares
Problem Statement:
A k-distinct-partition of a number \$n\$ is a set of \$k\$ distinct positive integers that add up to \$n\$. For example, the 3-distinct partitions of 10 are
\$1+2+7\$
\$...
- 387
7
votes
2
answers
825
views
"Ease the Array" challenge
I'm working on this challenge:
Given an array of integers of size N. Assume ‘0’ as invalid number and all other as valid number. Write a program that modifies the array in such a way that if next ...
6
votes
3
answers
196
views
Finding black cluster size distribution for square grid at different probabilities of black elements (averaged over a certain number of iterations)
Context:
I had asked a related question on Stack Overflow. On receiving several helpful hints from the commentators there, I could successfully implement averaging of the size distribution over a ...
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