InterviewBit Problems   Merge Overlapping Intervals : Unsolved

About the Merge Overlapping Intervals : Unsolved category (1)
Getting correct output (expected) in custom test case but fails for the same test case when submitted (2)
EASY STACK JAVA Solution (1)
Easy C++ Solution using sort (1)
Invalid claims : Algorithm is not O(n) when we use SORT! (1)
Problem with input (1)
O(n) explanantion (2)
Runtime error! Can someone help with this? (4)
What the problem here (1)
Best Optimal Solution - C++ (1)
C++ Linear Time (2)
Simple easy to understand solution (1)
Is the given intervals sorted? (2)
Partial correct because time limit exceeded (1)
Error : runtime error (1)
Time Limit exceeded for O(n) solution! what do they want? O(1)? Can anyone help me make my code faster? (2)
There is some problem with for loop, it doesnt print all i values if keep a cout statement. Please help me out (2)
Partially Correct Answer due to runtime (1)
Start attribute not accessible in python (3)
Is this code is accepted at original coding round (1)
Can you tell me what is the problem here (1)
Do not use vector erase in cpp (3)
Giving correct when same test case is given in test custom input but while clicking on submit it's giving wrong answer (1)
IB needs to improve their portal so much (1)
Invalid preprocessing directive #Definition (1)
Got correct output as Custom input but wrong answer for the same input (1)
Python TypeError while converting each subarray from tuple to list (4)
Size of vector in cpp (1)
Is the input sorted? (3)
Tried everything but getting only 214/225 points ? what's wrong (2)