InterviewBit Problems   Possibility of finishing all courses gi : Unsolved

About the Possibility of finishing all courses gi : Unsolved category (1)
Arrays B & C needs explanation (4)
What was the output? (2)
Wrong Solution In Editorial. Weak Test Cases (2)
Ambiguous question statement (2)
Why is my solution incorrect? (1)
Broken Test Case duuuude (5)
TLE for DFS,getting partially correct answer. Please help! (3)
Topological Sort /Cycle Detection / Kahn's Algorithm (1)
Memory Limit Exceeded (passing by reference) (1)
Weak testcases one of them is mentioned below (1)
Can some one explain the input and output with example ,like what is B and C in the function signature? (2)
Can somebody please Explain this? (2)
Error with the test case? (1)
Not able to find cycle in this input( cycle is expected here) (4)
Getting this weird error (1)
Multiple pre-requisite courses (1)
Problem with compiler for c++ (3)
Code passes in custom test , same test fails on submit (3)
Problem of vector<list<int> > for graphs (4)
COmpiler problem? (1)
Issue with compiler (1)