1st test case shows run error, rest all test cases passes

#1

https://ide.geeksforgeeks.org/2nusIVzSff

Please have a look at the code,.
Thanks

#2

Hi Gagan, try to run your code for the following testcase https://cb.lk/1UzGC. It gives No output for this case.

#3

But why is it so ? What’s wrong in the code or logic ? I am not able to figure out where I would get a run time error .
Please help , and correct my code if possible so that I can have a clear view of what is wrong with my code.
Thanks :smile:

#4

Gagan ur logic is correct no problem in that may be TLE coming due to the Valid function as for all case u are calling the function and checking the validness of the point u r moving instead of that just make a if condition inside the dfs function to check so it will take less time instead of calling the function. Otherwise ur code is write