InterviewBit Problems   Find Duplicate in Array : Unsolved

About the Find Duplicate in Array : Unsolved category (1)
4 line c++ solution and Answers to frequent questions (3)
Got Simple Solution (2)
Find Duplicate in Array | Best Solution | Easy | Java (1)
These are the constraints (1)
Can anyone please help with Java Hashmap solution (3)
O(n) solution in O(1) space with simple XOR logic (2)
Explain the Question conditions (1)
Time O(n) and Space O(1) c++ solution (6)
Find all the duplicates using unordered_set (1)
Why using HashMap brings Memory exceed issue but not by using vector? (3)
Using set<int> but Memory limit exceeded (2)
Incorrect Solution by InterviewBit (4)
All those getting MLE related doubts consider this! (1)
How Can I see my previous Submissions? (1)
O(n) time and O(sqrt(n)) space comeplexity solution (1)
Easy to understand logic (8)
It says memory limit exceeded though i am using hasmaps (2)
Why this code is not taking? (1)
The approach with taking sum of 1 to n numbers (2)
Can someone help me with the timecomplexity part? (3)
Do maps take more memory than arrays? (3)
Incorrect Solution by Interviewbit in c++ section (1)
Easy solution for this one (1)
Use of Map giving error (4)
Whats Wrong with the solution (2)
Runtime Error. why? (2)
Easy and simple solution (1)
Simple easy solution (2)
Solved in O(n) time & O(sqrt(n)) space still memory limit is exceeding. WHY? can anyone explain this! (1)