Graph - 1

[shinjaneegupta]

No description provided.

[super30admin]

Find the town Judge (FindJudge.py)

Your solution is excellent. It correctly implements the algorithm and efficiently solves the problem. The code is well-structured and easy to understand. You have also correctly analyzed the time and space complexity.

One minor suggestion: In the comment, you mentioned "losing trust (out-degree) subtracts, gaining trust (in-degree) adds." This is accurate, but note that the array indegrees is actually storing a net trust score (in-degree minus out-degree). So it might be more precise to call it a "trust score" or "net trust" array. However, the variable name indegrees is conventional and acceptable.

Another point: The problem constraints state that n can be up to 1000, and the trust array can have up to 10,000 elements. Your solution handles these constraints efficiently.

Overall, great job!

VERDICT: PASS

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Ball in the Maze (TheMaze.py)

Your solution is well-implemented and efficient. You have correctly used BFS to traverse the maze, rolling the ball until it hits a wall and then checking if the stopping point is the destination. The in-place marking of visited cells with -1 is a good optimization to avoid cycles.

One improvement: Avoid using dir as a variable name since it is a built-in function in Python. Consider renaming it to something like d or direction to prevent potential conflicts. For example, change:

for dir in self.dirs:

to

for d in self.dirs:

or

for direction in self.dirs:

Other than that, your code is clean and follows best practices. Keep up the good work!

VERDICT: PASS